3600_四级英语词汇(正序版)

3600. typist

'taipist 打字员

🎤例句
  • I’m a slow typist. (我打字很慢。)
🤔同义词
  • typer ([印刷]打字员,打字者)

3601. tyre

'taiə 轮胎,车胎

🤩短语
  • tyre pressure (轮胎气压)

  • flat tyre (瘪胎)

  • tyre cord (轮胎帘线;轮胎帘子布)

  • radial tyre (子午线轮胎(等于radial-ply tyre,radial,radial tire))

  • tubeless tyre (无管轮胎)

  • pneumatic tyre (气胎;空心轮胎;充气轮胎)

  • spare tyre (备用轮胎;肥膘)

  • tyre mould (轮胎压模)

🎤例句
  • I had a flat tyre (= all the air went out of it ) on the way home. (回家的路上我的轮胎瘪了。)

  • The spare tyre ’s in the boot. (备用轮胎在行李箱里。)

🤔同义词
  • tire ([橡胶]轮胎;轮箍)

3602. ultimate

'ʌltimət 最后的,最终的

🤩短语
  • ultimate goal (最终目标;终极目标)

  • ultimate strength (极限强度,强度极限)

  • ultimate bearing capacity (极限承载力,极限承载量;轴承极限能力,承载量)

  • ultimate objective (最终目标;最极目标)

  • ultimate load (极限载荷)

  • ultimate value (极限值;最后值;最大值)

  • ultimate concern (终极关怀)

  • ultimate capacity ([电]极限容量;[电]总功率;最终产量)

  • ultimate analysis (元素分析;最后分析)

  • ultimate tensile strength (极限抗拉强度)

  • ultimate destination (最终目的地)

  • ultimate state (极限状态)

  • ultimate reality (上帝;最高实在)

  • ultimate stress ([化]极限应力;最大应力)

  • ultimate consumer (末级消费者;最后消费者)

  • ultimate pressure (极限压强;极限压力)

  • ultimate strain (极限应变,临界应变)

  • ultimate limit state (极限状态;最大极限状态)

  • ultimate output (极限输出;极限输出功率;极限容量,最大功率)

  • ultimate elongation (破裂伸长;极限伸长)

🎤例句
  • The ultimate outcome of the experiment cannot be predicted. (试验的最后结果无法预测。)
🤔同义词
  • final, organic, fundamental, radical, underlying (最终的;[物]极限的;根本的)

  • telos, fundamental principle (终极;根本;基本原则)

3603. unconscious

,ʌn'kɔnʃəs 不省人事的

🤩短语
  • unconscious of (不知道;未发觉)

  • collective unconscious ([心]集体无意识)

🎤例句
  • She was found alive but unconscious. (她被找到时还活着,但已不省人事。)
🤔同义词
  • mechanical, automatic, cold, spontaneous ([心理]无意识的;失去知觉的;[医]不省人事的;未发觉的)

3604. uncover

,ʌn'kʌvə 揭开…的盖子

🎤例句
  • When the seedlings sprout, uncover the tray. (幼苗发芽后,揭开盘上的遮盖物。)
🤔同义词
  • detect, reveal (发现;揭开;揭露)

  • to discover, sniff out (发现;揭示;揭去盖子)

3605. undergo

,ʌndə'ɡəu 经历,经受,忍受

🎤例句
  • The country has undergone massive changes recently. (这个国家最近经历了巨大的变化。)

  • He has been released from prison to undergo medical treatment in the United States. (他获释出狱去美国接受治疗。)

  • She has been undergoing tests since Monday. (她从星期一开始一直在接受各种检查。)

  • Teachers should be expected to undergo mid-career training and development. (教师应该参加中期职业培训和发展活动。)

🤔同义词
  • experience, stand, stomach, tough, abide (经历,经受;忍受)

3606. undergraduate

,ʌndə'ɡrædjuət 大学在校生

🤩短语
  • undergraduate course (本科课程)

  • undergraduate education (大学本科教育)

  • undergraduate degree (学士学位)

  • undergraduate student (本科生)

  • undergraduate program (本科课程)

  • undergraduate college (大学本科;颁发学士学位的学院)

  • undergraduate study (本科学习;大学教育)

🎤例句
  • second-year undergraduates (大学二年级学生)
🤔同义词
  • academic, college student, university student (大学生;大学肄业生)

  • collegiate (大学生的)

3607. underline

,ʌndə'lain, 'ʌndəlain 划线于…之下

🎤例句
  • Underline the following that apply to you. (在以下适用于你的部分下面划线。)
🤔同义词
  • emphasize, stress, highlight (强调;在…下面划线;预告)

3608. underneath

,ʌndə'ni:θ 在下面,在底下

🎤例句
  • He has on his jeans and a long-sleeved blue denim shirt with a white T-shirt underneath. (他身穿牛仔裤和一件蓝色长袖粗斜纹棉布衬衫,里面还有件白色T恤衫。)

  • The shooting-range is lit from underneath by rows of ruby-red light fixtures. (射击场被一排排宝石红照明装置从下面照亮。)

🤔同义词
  • hereunder, down below (在下面;在底下)

  • basis, bottom, base (下面;底部)

  • following, nether (下面的;底层的)

3609. undertake

,ʌndə'teik 从事;承担;保证

🎤例句
  • He undertook to pay the money back in six months. (他保证在六个月之内还钱。)
🤔同义词
  • accept, pursue, address, try, offer (承担,保证;从事;同意;试图)

3610. undo

,ʌn'du: 解开,打开;取消

🎤例句
  • The screws can be undone by hand. (这些螺丝可以用手拧开。)

  • I undid the package carefully. (我小心地打开包裹。)

🤔同义词
  • destroy, recall, disorder (取消;解开;破坏;扰乱)

  • repeal rescission, take back (撤消)

3611. undoubtedly

无容置疑,肯定地

🤔同义词
  • strictly, real (确实地,无庸置疑地)

3612. uneasy

,ʌn'i:zi 心神不安的,忧虑的

🤩短语
  • uneasy about (担忧)
🎤例句
  • She eventually fell into an uneasy sleep. (她终于睡着了,但睡得并不踏实。)
🤔同义词
  • uncomfortable, unstable (不舒服的;心神不安的;不稳定的)

3613. unexpected

,ʌnik'spektid 想不到的,意外的

🤩短语
  • unexpected news (意外的消息;出乎意料的新闻)

  • unexpected accident (不能预料的事故)

🎤例句
  • The experiment produced some unexpected results. (这次试验产生了一些意想不到的结果。)

  • Her death was totally unexpected. (她的死完全出人意料。)

  • Hague’s announcement was not entirely unexpected. (黑格的声明并非完全出乎意料。)

🤔同义词
  • sudden, surprising (意外的,想不到的)

3614. uniform

'ju:nifɔ:m 一样的

'ju:nifɔ:m 制服

🤩短语
  • in uniform (穿制服)

  • uniform distribution (均匀分布;一致分布)

  • school uniform (校服)

  • military uniform (军装)

  • uniform temperature (均匀温度;恒温)

  • uniform customs (统一惯例)

  • uniform flow ([化]均匀流;等流速)

  • uniform motion (均匀(等速)运动)

  • uniform load (均布荷载)

  • uniform customs and practice (统一惯例;统一处理规则)

  • non uniform (不均匀的,非统一的)

  • uniform magnetic field (均匀磁场)

  • uniform convergence (一致收敛;均匀收敛)

  • uniform structure (一致结构)

  • uniform rules (统一规则)

  • uniform system (统一制度;伞伐作业)

  • uniform speed (匀速;等速)

  • uniform price (统一价格)

  • uniform velocity (匀速度,等速度;均速)

  • uniform strength (均匀强度)

🎤例句
  • Grade A eggs must be of uniform size. (A 级鸡蛋必须大小相同。)
🤔同义词
  • united, consistent, corresponding, matching, same (统一的;一致的;相同的;均衡的;始终如一的)

  • monkey suit, livery ([服装]制服)

3615. union

'ju:niən 联合;团结;协会

🤩短语
  • european union (欧洲联盟,欧盟)

  • soviet union (前苏联(1922-1991,首都莫斯科Moscow,位于欧、亚洲))

  • trade union (工会)

  • student union (学生会;大学的学生活动大楼)

  • labour union (n. [美]工会)

  • labor union ((美)工会)

  • in union (一致地;共同)

  • state of the union (国情咨文)

  • students' union (学生会)

  • monetary union (货币联盟)

  • customs union (n. 关税联盟)

  • union station (联合车站)

  • credit union (存款互助会;信用合作社)

  • national union ((国家)总工会)

  • union square (联合广场)

  • european monetary union (欧洲货币联盟)

  • world conservation union (世界自然保护联盟;世界自然保育联合会)

  • international astronomical union (国际天文联合会)

  • union jack (英国国旗;联合王国国旗)

  • economic union (经济联盟;经济同盟)

🎤例句
  • Are you planning to join the union? (你打算加入工会吗?)

  • {"COLLOINEXA":["union members"]} (工会会员)

🤔同义词
  • alliance, league, unity, combination, combined with (联盟,协会;工会;联合)

3616. unique

ju:'ni:k 唯一的,独一无二的

🤩短语
  • unique style (独特的风格)

  • unique feature (特色;特性;独到之处)

  • unique opportunity (唯一机会;极难得的机会)

  • unique ability (独有能力)

  • unique solution (唯一解)

  • unique skill (绝招;绝技)

  • unique name (唯一标识符;唯一编名)

  • unique color (心理纯色)

  • unique identifier (唯一识别符)

  • unique construction (独特构造)

  • unique index (唯一索引)

  • unique selling proposition (独特的销售主张)

🎤例句
  • Each person’s fingerprints are unique. (每个人的指纹都是独一无二的。)
🤔同义词
  • distinct, individual, one, sole, picturesque (独特的,稀罕的;[数]唯一的,独一无二的)

3617. unit

'ju:nit 单位;单元;部件

🤩短语
  • per unit (每单位)

  • control unit (控制器,控制部件)

  • basic unit (基本单元)

  • pumping unit (抽油机;水泵机组)

  • business unit (业务部门;营业单位)

  • unit area (单位区域,单位面积)

  • construction unit (结构单元)

  • per unit area (每一单位面积)

  • grass-roots unit (基层单位)

  • processing unit (处理单元;处理部件)

  • power unit (动力设备;供电装置)

  • production unit (生产单位)

  • unit operation (单元操作)

  • unit time ([计]单位时间)

  • single unit (单一机组;单一运具)

  • unit cost (单位成本)

  • measurement unit (计量单位,测量单位)

  • main unit ([计]主要部件)

  • pump unit (泵机组;泵设备)

  • generating unit (发电机组)

🎤例句
  • The man is in the hospital’s intensive care unit. (那名男子在医院的重症监护室。)
🤔同义词
  • device, apparatus, installation, components, parts ([计量]单位,单元;装置;[军]部队;[机]部件)

3618. unite

ju:'nait 联合

ju:'nait 使联合

🤩短语
  • unite with (联合;混合)
🎤例句
  • Our goal is to unite the opposition parties and defeat the President. (我们的目标是联合各反对党挫败总统。)
🤔同义词
  • intermix (使…混合;使…联合;使…团结)

  • league, band, combine, connect, rally (团结;联合;混合)

3619. unity

'ju:niti 单一;统一;团结

🤩短语
  • national unity (国家统一,民族团结)

  • unity is strength (团结就是力量;众志成城)

  • strengthen unity (加强团结)

  • live together in unity (和睦相处)

  • partition of unity (单位分解)

🎤例句
  • economic unity (经济统一)

  • European unity (欧洲的一体化)

🤔同义词
  • accordance, agreement, alliance, identity, combination, union, association (团结;一致;联合;个体)

3620. universal

,ju:ni'və:səl 宇宙的;普遍的

🤩短语
  • universal joint (万向节;万向接头)

  • universal law (普遍规律;普遍法则)

  • universal suffrage (普选权)

  • universal language (通用语言;世界语;人人都理解的事物)

  • universal love (普遍的爱;泛爱(基督教))

  • universal serial bus (通用串行总线)

  • universal gravitation (万有引力)

  • universal access (普及高等教育;通用存取)

  • universal education (普及教育;全民教育)

  • universal time (世界时间;格林威治时;国际标准时间)

  • universal testing machine (n. 万能试验机)

  • universal music (环球音乐集团(公司名称))

  • universal coupling (万向轴节(等于universal joint))

  • universal shaft (万向轴)

  • universal machine (通用机械;万能工作机械)

  • universal knowledge (普遍的知识,常识)

  • universal rule (普遍性规律)

  • universal postal union (万国邮政联盟)

  • universal genius (宇宙级天才;全能之才)

  • universal grammar (普遍文法;通用文法)

🎤例句
  • a universal truth (普遍的真理)
🤔同义词
  • widespread, entire, corporate, worldwide, current (普遍的;通用的;[天]宇宙的;全世界的;全体的)

  • general concept (一般概念;普通性)

3621. unknown

'ʌn'nəun 不知道的;未知的

🤩短语
  • unknown number (未知数)

  • unknown soldier ((美)阵亡的无名英雄)

  • fever of unknown origin (无明显病因的发烧)

🎤例句
  • The murderer’s identity remains unknown. (杀人凶手身份仍然不明。)

  • For some unknown reason, Mark quit his job and moved to Greece. (不知何故,马克辞掉工作移居希腊了。)

  • a voyage through unknown territory (穿越未知海域的航行)

  • An unknown number of people were killed. (丧生人数不详。)

🤔同义词
  • strange, sealed ([数]未知的;陌生的,默默无闻的)

  • XYZ, pronumeral ([数]未知数;未知的事物,默默无闻的人)

3622. unless

除非,如果不

🤩短语
  • unless and until (直到…才)
🎤例句
  • Unless some extra money is found, the theatre will close. (要是不能找到更多资金,剧院将要关闭。)

  • I think you should complain – unless, of course, you are happy with the way things are. (我觉得你应该发发牢骚——当然,除非你对现状很满意。)

  • He won’t go to sleep unless you tell him a story. (要是你不给他讲故事他就不睡觉。)

  • I can’t leave her unless I know she’s all right. (除非我知道她没事,否则我不能离开她。)

🤔同义词
  • besides, except as, in addition to (除…之外)

3623. unlike

,ʌn'laik 不同的

,ʌn'laik 不象…

🎤例句
  • Now I see that, unlike her, they were my positive models. (现在我知道了,那些人不像她,他们是我的正面的表率。)
🤔同义词
  • different, diverse, varying, another, dissimilar (不同的,不相似的)

3624. unlikely

,ʌn'laikli 未必的,未必可能的

🎤例句
  • Donna might be able to come tomorrow, but it’s very unlikely. (唐娜明天也许能来,不过这可能性很小。)
🤔同义词
  • not necessarily (未必)

3625. unload

,ʌn'ləud 卸(货)

,ʌn'ləud 卸货

🎤例句
  • Unload everything from the boat and clean it thoroughly. (从小船上卸下所有的货物并彻底地清洗。)
🤔同义词
  • debark (卸;摆脱…之负担;倾销)

  • discharge of goods, load off (卸货;退子弹)

3626. upper

'ʌpə 上面的;地位较高的

🤩短语
  • upper part (上部)

  • upper limit (上限;最高极限)

  • upper bound (上界;最大值)

  • upper hand (n. 优势,上风)

  • upper end (上端)

  • upper lip (上嘴唇)

  • upper layer (上层)

  • upper class (上等阶层,上流社会)

  • upper level (高层;高等级;上水平)

  • upper mantle (上地幔;上部地函)

  • upper respiratory tract (上呼吸道)

  • upper arm (上臂)

  • upper surface (上表面)

  • upper right (右上方/角)

  • upper leather (面革)

  • upper side (上面;上盘)

  • upper cover (上盖,上层覆盖)

  • upper atmosphere (上层大气;高空大气)

  • upper house (上议院)

  • upper limb (上肢;上翼;上边缘)

🎤例句
  • the upper lip (上唇)
🤔同义词
  • higher, over ([流][地质]上面的,上部的;较高的)

3627. upright

'ʌprait, ,ʌp'r- 垂直的;正直的

🤩短语
  • upright position (正浮位置;直坐式)

  • upright post (立柱)

  • an upright man (正直的人)

🎤例句
  • Katie was still awake, sitting bolt upright(= sitting with her back very straight ) staring at the television. (凯蒂还醒着,坐得笔直,眼睛盯着电视。)
🤔同义词
  • honest, vertical, straight, standing, square (正直的,诚实的;垂直的,直立的;笔直的;合乎正道的)

  • verticalness, perpendicularity (垂直;竖立)

3628. upset

弄翻,打翻,倾覆

🤩短语
  • upset stomach (肚子痛)

  • get upset (伤心;感到不安)

  • stomach upset (n. 肠胃不适,消化不良)

  • upset forging (顶锻;平锻模)

  • upset the apple cart (美梦破灭)

🎤例句
  • He upset a bowl of soup. (他打翻了一碗汤。)
🤔同义词
  • disorder, subvert (使心烦;颠覆;扰乱)

  • tip, keel over (翻倒)

  • chaotic, troubled, confused (心烦的;混乱的;弄翻的)

  • disorder, chaos, confusion, turmoil, involvement (混乱;翻倒)

3629. upward

'ʌpwəd 向上的,上升的

🤩短语
  • upward pressure (上压力;向上压力;反向压力)

  • upward tendency (上涨的趋势;看涨)

  • upward mobility (上进心;向上倾向)

  • upward flow (上向流)

  • move upward (上升;上进)

  • upward movement (上升运动,向上运动)

  • upward thrust (向上打腿)

🎤例句
  • upward pressure on bank interest rates (针对银行利率的越来越大的压力)
🤔同义词
  • upgrade, rising, up, climbing (向上的;上升的)

  • up, zenithward (向上)

3630. urban

'ə:bən a.

'ə:bən 都市的,住在都市的

🤩短语
  • urban planning (城市规划;城镇规划)

  • urban construction (城市建设;城市工程)

  • urban development (城市发展;城市开发)

  • urban area (城市地区)

  • urban traffic (城市交通)

  • urban residents (城市居民)

  • urban environment (城市环境)

  • urban district (市区)

  • urban transportation (城市交通运输;市区运输)

  • urban sewage (城市污水)

  • urban population (城市人口)

  • urban life (城市生活,都市生活)

  • urban renewal (城市更新;都市美化)

  • urban water supply (城市供水)

  • urban agglomeration (城市群;城市聚结)

  • urban heat island (城市热岛,都市热岛)

  • urban center (市中心区)

  • urban growth (城市成长;市区扩展)

  • urban sprawl (城市扩张;都市向郊区扩张的现象)

  • urban poor (城市贫民)

🎤例句
  • unemployment in urban areas (城市地区的失业状况)

  • the deprived sections of the urban population (城市人口中的贫困群体)

🤔同义词
  • city (城市的;住在都市的)

3631. urge

ə:dʒ 推进;催促

ə:dʒ 冲动

🎤例句
  • The charity urged quick action. (慈善机构敦促迅速采取行动。)
🤔同义词
  • crowd, rush up (力劝,催促;驱策,推进)

  • impulse, driving force (强烈的欲望,迫切要求;推动力)

  • scream for (强烈要求)

3632. urgent

'ə:dʒənt 紧急的;强求的

🤩短语
  • urgent need (迫切需要)

  • extremely urgent (迫在眉睫)

  • urgent message (加急电报,紧急通知)

  • an urgent message (紧急消息(情况))

  • top urgent (紧迫的问题)

  • urgent call (加急电活,紧急呼叫)

  • urgent telegram (急电)

🎤例句
  • He was in urgent need of medical attention. (他急需治疗。)

  • The report called for urgent action to reduce lead in petrol. (报告呼吁迅速采取行动,减少汽油中的铅含量。)

  • an urgent message (一封急报)

🤔同义词
  • emergency, instant (紧急的;急迫的)

3633. usage

'ju:zidʒ 使用,对待;惯用法

🤩短语
  • usage rate (使用率)

  • long term usage (长期使用)

  • usage time (使用时间;通信传输时间)

  • usage period (使用期)

  • usage data (惯用数据;使用数据)

  • usage factor (利用率,利用系数)

  • usage scenario (使用场景)

  • international usage (国际惯例;国际习惯)

  • trade usage (贸易惯例,贸易习惯;商业习惯)

🎤例句
  • a book on modern English usage (关于现代英语用法的书)
🤔同义词
  • employment, utilization, tradition, use, convention (使用;[语]用法;惯例)

3634. utility

ju:'tiləti 效用,有用,实用

🤩短语
  • utility model (实用新型(约十个国家法律承认的一种保护发明名称,期限五年))

  • public utility (公用设施;公用事业公司)

  • utility function (效用函数;应用函数)

  • utility value (实用价值,利用价值)

  • utility theory (效用理论)

  • marginal utility (边际效用)

  • utility boiler (电站锅炉,动力锅炉;公用锅炉)

  • utility system (实用系统;应用系统;公用系统)

  • expected utility (期望效用)

  • utility vehicle (多用途运载车)

  • utility ratio (利用率;实用率)

  • utility program ([计]应用程序;通用程序;实用程序)

  • utility maximization (效用极大化,效用最大值;极大化)

  • electric utility (电气设施;电业)

  • sport utility vehicle (运动型多用途车)

  • total utility ([经济]总效用;总效果)

  • social utility (社会效用;社会福利事业)

  • utility company (公用事业公司)

  • economic utility (经济效用)

  • practical utility (实用性;实用价值)

🎤例句
  • It’s a simple shareware utility that allows you to print signs and banners. (这是个简单的共享应用软件,你可以用它来打印标牌和横幅。)
🤔同义词
  • practical use, public facility (实用;效用;公共设施;功用)

  • applied, universal, current (实用的;通用的;有多种用途的)

3635. utilize

'ju:tilaiz 利用

🎤例句
  • We must consider how best to utilize what resources we have. (我们必须考虑怎样充分利用现有的资源。)
🤔同义词
  • do with, trade on, capitalize on, avail of, presume on (利用)

3636. utmost

'ʌtməust 最远的

'ʌtməust 极限

🤩短语
  • to the utmost (极度;尽力)

  • do one's utmost (尽全力,竭力)

  • utmost good faith (最大诚信;绝对信任)

  • at the utmost (至多)

🎤例句
  • It is a matter of the utmost urgency to find out what has happened to these people. (当务之急是弄清楚这些人出了什么事。)

  • Security matters are treated with the utmost seriousness. (安全问题受到极为严肃的对待。)

🤔同义词
  • limitation, threshold, terminal (极限;最大可能)

  • excessive, extreme (极度的;最远的)

3637. utter

'ʌtə 完全的,彻底的

🎤例句
  • That’s utter nonsense! (真是一派胡言!)

  • This company treats its employees with utter contempt. (这家公司对其员工不屑一顾。)

  • I watched in complete and utter horror as he pulled out a gun. (我惊恐万分地看着他拔出枪来。)

  • fifteen years of utter confusion (15年的大混乱)

🤔同义词
  • release, put, voice, project, let go (发出,表达;发射)

  • thorough, full, complete, absolute, total (完全的;彻底的;无条件的)

3638. vacant

'veikənt 空的;未被占用的

🤩短语
  • vacant space (空舱位;未用空间)

  • vacant room (空房)

  • vacant position (职位空缺;空座)

  • vacant land (空地;闲置地)

  • vacant lot (空地)

  • vacant seat (空位,未被占座位)

🎤例句
  • Only a few apartments were still vacant. (只有几套公寓仍然空着。)

  • There was only a vacant lot (= empty unused area of land in a city ) where her house used to be. (她以前房子所在的地方只剩下一块空地了。)

🤔同义词
  • available, empty, blank, leisure, hollow (空虚的;空的;空缺的;空闲的;茫然的)

3639. vacuum

'vækjuəm 真空;真空吸尘器

🤩短语
  • vacuum pump ([机]真空泵)

  • in a vacuum (似在真空中)

  • high vacuum (高度真空,高真空)

  • vacuum distillation (真空蒸馏)

  • vacuum cleaner (吸尘器;真空吸尘器;真空清洁器)

  • vacuum system (真空系统)

  • vacuum degree (真空度)

  • vacuum drying (真空干燥)

  • vacuum packaging (真空包装)

  • vacuum furnace (真空炉;退火炉)

  • vacuum filter (真空滤器)

  • vacuum tube (真空管;电子管)

  • vacuum packing (真空包装)

  • vacuum circuit breaker (真空断路器)

  • vacuum equipment (真空设备)

  • vacuum chamber (真空室;压力室)

  • vacuum evaporation (真空蒸发;真空蒸镀;真空涂膜)

  • vacuum heat treatment (真空热处理;化学热处理)

  • vacuum interrupter (真空断续器;真空隔离开关)

  • vacuum forming (真空成型)

🎤例句
  • His presence should fill the power vacuum that has been developing over the past few days. (他的出现应该能填补过去几天中形成的权力空缺。)
🤔同义词
  • room, gamma space ([真空]真空;空间;真空吸尘器)

3640. vague

veiɡ 模糊的,含糊的

🎤例句
  • The governor gave only a vague outline of his tax plan. (州长只是含糊地大致说了一下他的税务计划。)
🤔同义词
  • fuzzy, dark, uncertain (模糊的;含糊的;不明确的;暧昧的)

3641. vain

英[veɪn] 美[ven] 徒劳的;自负的

🤩短语
  • in vain (徒然;无效)

  • vain glory (虚荣)

🎤例句
  • Men can be just as vain as women. (男人有时会和女人一样虚荣。)
🤔同义词
  • empty, blank (徒劳的;虚荣的;空虚的)

3642. valid

有效的;正当的

🤩短语
  • valid period (有效期限)

  • valid certificate (有效证书;有效凭证)

  • valid until (有效期至)

  • valid data (有效数据)

  • must be valid (必须实事求是)

  • valid time (有效时间)

  • valid contract (有效合同;有效契约)

  • valid from (有效起始日期)

  • valid date (有效期)

  • valid business registration certificate (有效商业登记证)

🎤例句
  • a valid credit card (有效信用卡)

  • Your return ticket is valid for three months. (你的往返票有效期为三个月。)

🤔同义词
  • available, effective, virtual, telling, significant (有效的,有根据的;正当的)

3643. value

'vælju: 价值;价格

'vælju: 评价

🤩短语
  • of value (adj. 贵重的(重要的))

  • reference value (参考值;标准值;参照值)

  • practical value (实际价值)

  • value chain (价值链)

  • in value (在价值上)

  • economic value (经济价值;经济有效值)

  • market value (n. [商](有别于帐面价值的)市场价值;市价)

  • high value (高价值;高影调)

  • added value (附加值;增值价值)

  • value on (签发;向某人开出汇票)

  • boundary value (边值;边界值)

  • value added (增值;附加价值)

  • of great value (很有价值的)

  • value system (价值体系;价值系统)

  • peak value (峰值)

  • social value (社会价值)

  • numerical value (数值)

  • core value (核心价值)

  • theoretical value (理论值)

  • threshold value ([计]阈值;门限值;界限值)

🎤例句
  • The value of his investment has risen by more than $50,000. (他的投资价值已经增长$50000多。)
🤔同义词
  • importance, significance, price, stress, weight ([数]值;[经]价值;价格;重要性;确切涵义)

  • score, rate, prize (评价;重视;估价)

3644. van

væn 大篷车,运货车

🤩短语
  • van gogh (n. 梵高(荷兰画家))

  • van der waals (范德瓦尔斯(荷兰物理学家, 曾获1910年诺贝尔物理学奖))

  • vincent van gogh (文森特·梵高(荷兰画家))

  • van buren (范布伦(姓氏);范布伦(美国第八任总统);范布伦(美国城市))

  • jeff van gundy (杰夫范甘迪(美国篮球教练))

  • van der waals force ([物]范德华力,范德华引力)

  • ludwig van beethoven (贝多芬)

🎤例句
  • a delivery van (运货车)

  • a van driver (小型货车司机)

🤔同义词
  • vanguard, pioneer (先锋;厢式货车;增值网)

3645. vanish

'væniʃ 突然不见,消失

🤩短语
  • vanish from (从…失去;从…消失)

  • vanish away (消失)

🎤例句
  • My keys were here a minute ago but now they’ve vanished. (我的钥匙刚刚还在这里,现在却不翼而飞了。)

  • The bird vanished from sight. (那只鸟从视线中消失了。)

  • She seemed to have just vanished into thin air (= suddenly disappeared in a very mysterious way ). (她好像就蒸发了似的。)

🤔同义词
  • disappear, blank ([数]消失;突然不见;成为零)

  • unmake (使不见,[数]使消失)

3646. vapour

'veipə 汽,蒸气

🤩短语
  • water vapour (水蒸汽,水汽)

  • chemical vapour deposition (化学蒸汽沉积)

  • vapour pressure (汽压;蒸汽压力;水汽压力)

  • vapour phase (气相;汽相)

  • oil vapour (油气;石油蒸汽)

  • saturated vapour (饱和蒸气)

🎤例句
  • water vapour (水蒸气)

3647. variable

'vεəriəbl 易变的

'vεəriəbl 变量

🤩短语
  • variable speed (变速,可变速率)

  • random variable (随机变数,随机变量;无规变量)

  • state variable ([控制系统]状态变量;[热力学]热力学态函数(等于thermodynamic function of state))

  • independent variable (自变量;自变数)

  • dependent variable (因变量;他变数;应变数)

  • design variable (设计变量)

  • complex variable (复变数)

  • control variable (控制变量;决策变量)

  • local variable (局部变量)

  • environment variable (环境变量;环境变数)

  • variable parameter (可变参量)

  • continuous variable (连续变量)

  • variable cost (可变成本)

  • variable pitch (可变螺距;可变节距;变斜度)

  • variable flow (变速流,变化的流动;异形流动)

  • output variable (输出变量)

  • global variable (全局变量,全程变量)

  • variable data (n. 可变数据)

  • discrete variable ([数]离散变量)

  • variable coefficient (变系数;可变系数)

🎤例句
  • Expect variable cloudiness and fog tomorrow. (预计明天多云有雾,天气多变。)

  • Interest rates can be highly variable. (利率有时会大幅波动。)

🤔同义词
  • mobile, liquid, unstable ([生物][数][光]变量的;可变的;易变的,多变的;变异的,畸变的)

3648. variation

,vεəri'eiʃən 变化,变动;变异

🤩短语
  • temperature variation (温度变化)

  • genetic variation (n. 遗传变异)

  • coefficient of variation (变异系数;变动系数;变更系数)

  • variation coefficient (变异系数,变差系数)

  • seasonal variation (季节性波动,季节性变动)

  • spatial variation (空间变化;区域差异)

  • total variation (全变差;总变差)

  • frequency variation (频率变化)

  • time variation (时间变化,时间变化性)

  • variation method (变分法;差异法)

  • variation range (调整范围,变化范围;变限)

  • diurnal variation (日变化;日变程;日际变化;昼夜变化)

  • annual variation (年变化;[天文学]年变)

  • speed variation (速率变化,变速)

  • variation principle (变分原理(用任意波函数计算出的能量,不可能小于体系真实的基态能量))

  • variation analysis (差异分析;变异分析)

  • environmental variation (环境变异)

  • weight variation (重量差异,权重变种)

  • voltage variation (电压变化)

  • random variation (无规则变化,随机变化)

🎤例句
  • Most of his poems are variations on the theme of love. (他的大部分诗作都是有关爱情主题的形式不同的作品。)
🤔同义词
  • shift, change, differentiation, diversification, turn (变化;[生物]变异,变种)

3649. variety

英 [vəˈraɪəti] 美 [vəˈraɪɪti 多样化;种类;变种

🤩短语
  • variety of (各种各样的)

  • product variety (货品种类,产品种类;产品多样化;积簇)

  • a great variety of (各种各样的;大量的)

  • variety show (综艺节目;杂耍表演)

  • infinite variety (多种多样)

  • variety store (杂货店)

🎤例句
  • I really like the variety the store has to offer. (我很喜欢这家商店商品的丰富多样。)
🤔同义词
  • category, manner, nature, kind, sort (多样;种类;杂耍)

3650. various

'vεəriəs 各种各样的,不同的

🤩短语
  • in various ways (以不同的方式)

  • various styles (各种款式;款式齐全;款式多样)

  • various people (各行各业的人;许多人)

  • at various times (在不同的时代)

  • on various occasions (在许多情况下)

  • adopt various methods (采取不同办法)

  • various artists (群星;合辑)

🎤例句
  • The jacket is available in various colours. (这种夹克有好多种颜色可选。)

  • There are various ways to answer your question. (有多种方法可以回答你的问题。)

  • He decided to leave school for various reasons. (出于种种原因,他决定辍学。)

🤔同义词
  • varieties of, miscellaneous (各种各样的;多方面的)

3651. vary

'vεəri 改变;使多样化

🤩短语
  • vary with (随…而变化)

  • vary from (不同)

  • vary in (在……方面变化;在……方面有差异)

  • vary in size (大小不同)

🎤例句
  • Quentin’s mood seems to vary according to the weather. (昆廷的情绪似乎随天气而变化。)

  • ‘What do you wear when you go out?’ ‘Well, it varies.’ (“你出门的时候通常穿什么衣服?”“噢,得看情况。")

🤔同义词
  • pass, change from (变化;变异;违反)

  • influence, fashion, shift, innovate (改变;使多样化;变奏)

3652. vast

vɑ:st, væst 巨大的;大量的

🤩短语
  • vast majority (绝大多数,大部份)

  • vast scale (大规模;大比例)

  • vast sums of money (巨额金钱)

🎤例句
  • The refugees come across the border in vast numbers. (大量难民涌过边境。)

  • In the past five years, there has been a vast improvement in graduation rates. (过去的五年内,毕业率大幅度提高。)

🤔同义词
  • huge, massive, extensive, tremendous, enormous (广阔的;巨大的;大量的;巨额的)

  • voluminousness (浩瀚;广阔无垠的空间)

3653. vehicle

'viːɪk(ə)l 车辆,机动车

🤩短语
  • motor vehicle (汽车;机动车辆)

  • electric vehicle (电动车辆)

  • vehicle maintenance (汽车维护,车辆保养)

  • commercial vehicle (商用车辆)

  • launch vehicle (运载火箭)

  • railway vehicle (铁路车辆)

  • passenger vehicle (客车,客运车辆;载客车辆)

  • vehicle registration (车辆登记;车辆注册登记)

  • transport vehicle (运输车,载重汽车)

  • tracked vehicle (履带式汽车)

  • road vehicle (公路用车)

  • armored vehicle (装甲车(辆))

  • special purpose vehicle (专用汽车;特别用途车辆)

  • space vehicle (太空交通工具)

  • utility vehicle (多用途运载车)

  • vehicle traffic (车辆交通)

  • heavy vehicle (重型车辆)

  • hybrid vehicle (混合驱动汽车)

  • off-road vehicle (越野车辆)

  • light vehicle (轻型汽车;轻型车辆)

🎤例句
  • a description of the stolen vehicle (对被盗车辆的描述)

  • Have you locked your vehicle? (你锁车了吗?)

🤔同义词
  • instrument, engine, tool, gear, implement ([车辆]车辆;工具;交通工具;运载工具;传播媒介;媒介物)

3654. velocity

速度,速率

🤩短语
  • flow velocity (流速)

  • velocity field (速度场;流速场)

  • velocity distribution (速度分布)

  • wave velocity (波速)

  • high velocity (高速;高速度)

  • gas velocity (气流速度)

  • angular velocity (角速度)

  • wind velocity (风速;风矢量)

  • low velocity (低速度)

  • air velocity (气流速度;风临度)

  • velocity measurement (速度测量)

  • velocity of flow (临;流动速度)

  • group velocity (群速)

  • particle velocity (粒子速度;质点(振动)速度)

  • space velocity (空速)

  • linear velocity (线速度)

  • constant velocity (匀速;等速度;恒速度)

  • vibration velocity (振动速度)

  • critical velocity (临界速度)

  • average velocity (平均速度)

🎤例句
  • the velocity of light (光速)

  • The speedboat reached a velocity of 120 mph. (快艇的时速达到了120英里。)

  • a high velocity bullet (高速子弹)

🤔同义词
  • speed rate, expedition ([力]速率;迅速;周转率)

3655. venture

'ventʃə 冒险

'ventʃə 敢于

🤩短语
  • joint venture (合资企业;联合经营)

  • venture capital (风险资本,风险投资)

  • venture company (创业公司;风险投资公司)

  • sino-foreign joint venture (n. 中外合资企业;中外合资经营)

  • joint venture enterprise (合资企业)

  • venture capitalist (n. 风险资本家)

  • business venture (企业)

  • venture capital fund (创业投资基金;风险投资基金)

  • venture capital firms (风险投资公司)

  • joint venture contract (合资合同;联合经营合同)

  • contractual joint venture (n. 契约式合营企业;合约式联营企业)

  • venture out (探险)

  • venture capital market (风险资本市场;创业资金市场)

  • venture business (风险企业(危险性高、收益大的企业))

  • venture on (冒险,鼓起勇气前进)

  • at a venture (随便地;冒险地;胡乱地)

  • joint venture agreement (合资协议;合营企业协议;合营协议)

🎤例句
  • When darkness fell, he would venture out. (天黑以后,他就会壮着胆子出去。)
🤔同义词
  • dare to, be bold to (敢于)

  • adventure, take a risk (冒险;投机)

  • enterprise, risk, undertaking, throw (企业;风险;冒险)

3656. verify

'verifai 证实,查证;证明

🤩短语
  • examine and verify (审核;审计)
🎤例句
  • His statement was verified by several witnesses. (他的说法得到了几位证人的证实。)
🤔同义词
  • touch bottom, check on (核实;查证)

3657. version

'və:ʃən 译文;说法;改写本

🤩短语
  • english version (英文版本;英译本)

  • latest version (最新版本)

  • original version (原始著作,原始版本)

  • current version (当前版本)

  • version control (版本控制)

  • trial version (试用版)

  • version number (版本号)

  • updated version (更新方案,升级版)

  • special version (特别说明)

  • release version (发布版本;发行版本)

  • basic version (基本版本)

🎤例句
  • Could Donna’s version of what happened that night be correct? (唐娜对那晚发生的事情的描述是否正确呢?)
🤔同义词
  • edition, translation ([计]版本;[图情]译文;倒转术)

3658. vertical

'və:tikəl 垂直的,竖式的

🤩短语
  • vertical direction (垂直方向)

  • vertical shaft (立井;立轴;立柱)

  • vertical distribution (垂直分布;竖向分布)

  • vertical load (垂直荷载;垂直加载)

  • vertical integration (垂直整合;垂直统一管理;纵向结合)

  • vertical displacement (垂直位移;竖直位移)

  • vertical lathe ([机]立式车床(等于ertical boring mill))

  • vertical axis (垂直轴;纵轴)

  • vertical line (垂直线;铅垂线)

  • vertical section (垂直切面,纵断面)

  • vertical plane (垂直面)

  • vertical position (垂直位置,竖直位置;立焊位置)

  • vertical structure (垂直结构,纵向结构)

  • vertical resolution (垂直分辨率;垂直分解)

  • vertical tube (垂直管)

  • vertical flow (竖直怜)

  • vertical distance (垂直距离)

  • vertical pressure (垂直压力)

  • vertical force (垂直力)

  • vertical plate (竖直板)

🎤例句
  • a vertical line (垂直线)

  • the vertical axis of a graph (图的纵轴)

  • vertical window blinds (垂直百叶窗)

🤔同义词
  • standing, perpendicular ([测]垂直的,直立的;[解剖][天]头顶的,顶点的)

  • perpendicular plane, perpendicular line ([数]垂直线,垂直面)

3659. vessel

'vesəl 容器;船,飞船;管

🤩短语
  • pressure vessel (压力容器)

  • blood vessel (血管)

  • vessel wall (血管壁;器壁)

  • naval vessel (海军舰艇)

  • carrying vessel (承运船只,装货船只)

  • fishing vessel (渔船)

  • reaction vessel (反应锅)

  • capillary vessel (毛细血管)

  • name of vessel (船名)

  • lymphatic vessel (淋巴管)

  • high pressure vessel (高压容器)

  • sailing vessel (帆船)

  • cargo vessel (n. 货轮;载货船)

  • container vessel (集装箱船)

  • reactor vessel (反应堆槽;反应堆容器;反应堆压力外壳)

  • culture vessel (培养瓶;培养皿)

  • pressure vessel code ([化]压力容器规范)

  • vacuum vessel (真空容器,真空瓶)

  • steel vessel (铁壳船)

  • vessel element (导管分子)

🎤例句
  • a fishing vessel (渔船)
🤔同义词
  • container, ship, pocket ([船]船,舰;[组织]脉管,血管;容器,[轻]器皿)

3660. veteran

'vetərən 老兵,老手

🎤例句
  • a Vietnam veteran (越战老兵)
🤔同义词
  • old moustache, warhorse (老兵;老手;富有经验的人)

  • seasoned (老兵的;经验丰富的)

3661. via

经过;通过

🎤例句
  • We flew to Athens via Paris. (我们经由巴黎飞往雅典。)
🤔同义词
  • by way of, THRU through (取道,通过;经由)

3662. vibrate

vai'breit 使颤动

vai'breit 颤动

🎤例句
  • The floor was vibrating to the beat of the music. (地板随着音乐的节奏在颤动。)

  • As air passes over our vocal cords, it makes them vibrate. (气流通过我们的声带,使之产生振动。)

🤔同义词
  • swing, hesitate (振动;颤动;摇摆;踌躇)

  • oscillate (使振动;使颤动)

3663. vice

vais 罪恶;恶习;缺点

🤩短语
  • vice president (副总统;副主席)

  • vice versa (反之亦然)

  • vice director (副处长;副主任;副院长;副会长)

  • vice chairman (副主席;副会长)

  • vice premier (副总理)

  • vice minister (n. 副部长,副总理)

  • senior vice president (高级副总裁)

  • executive vice president (执行副总裁)

  • vice governor (副省长)

  • standing vice (固定老虎钳)

  • vice general manager (副总经理)

  • vice manager (副经理)

  • vice verse (反之亦然,反过来也一样)

  • inherent vice (固有缺陷;内在缺陷)

  • virtue and vice (善与恶)

  • vice squad (刑警队;警察缉捕队)

🎤例句
  • the fight against vice on the streets (打击街头犯罪)

  • The police have smashed a vice ring (= a group of criminals involved in vice ) in Chicago. (警方捣毁了芝加哥的一个犯罪团伙。)

🤔同义词
  • defect, deficiency, fault, disadvantage, abuse (恶习;缺点;[机]老虎钳;卖淫)

  • in place of, in stead of (代替)

  • vise (钳住)

  • deputy, auxiliary (副的;代替的)

3664. vigorous

'viɡərəs 朝气蓬勃的

🤔同义词
  • male, live, energetic, mighty (有力的;精力充沛的)

3665. vinegar

'viniɡə

🤩短语
  • fruit vinegar (果醋;水果醋)

  • apple vinegar (苹果醋)

  • cider vinegar (苹果醋)

  • white vinegar (白醋)

  • rice vinegar (米醋;白醋)

  • balsamic vinegar (香醋)

  • wine vinegar (酒醋)

🎤例句
  • The sugared vinegar is refined from the sugarcane and pine. (加糖的醋是从甘蔗和松木中精炼出来的.)

  • To make the red-wine vinaigrette, whisk together the oil, vinegar and mustard in a medium bowl until well combined. (制作红酒醋油沙司,将油、醋和芥末放在一个中等大小的碗里一起搅拌,直到混合均匀。)

  • In cooking, vinegar can be used alone or to add flavor without calories to our food, but what will it do if we use it on our hair? (在烹饪中,醋可以单独食用,也可以用作食物调味料不附加任何卡路里,但如果我们把它涂抹到头发上呢?)

🤔同义词
  • acetum ([食品]醋)

3666. violent

'vaiələnt 猛烈的;狂暴的

🤩短语
  • violent crime (暴力犯罪,暴力罪行)

  • violent death (暴力死亡;横死)

  • violent storm (暴风;十一级风)

  • violent earthquake (大地震;强烈地震)

🎤例句
  • the increase in violent crime (暴力犯罪的增多)

  • violent clashes between the police and demonstrators (警方与示威者之间发生的暴力冲突)

  • 31 people have been injured in violent incidents throughout the day. (今天一天有31人在暴力事件中受伤。)

  • The riots ended in the violent deaths of three teenagers. (动乱以三名少年的惨死而告终。)

🤔同义词
  • fierce, hard (暴力的;猛烈的)

3667. violet

'vaiələt 紫罗兰

🤩短语
  • crystal violet (结晶紫)

  • ultra violet (紫外光;紫外线辐射)

  • violet light (鲜紫)

  • violet red (紫红,紫罗兰色)

  • shrinking violet (羞怯的人;畏首畏尾的人)

  • methyl violet (甲基紫;龙胆紫;甲紫(消毒防腐药))

  • violet ray (紫色光线X)

  • gentian violet (结晶紫;龙胆紫)

🎤例句
  • She inhaled the violet perfume, saying “How sweet!” (她一边闻紫罗兰的芳香, 一边说“好香啊!”)
🤔同义词
  • Violet Mist, johnny-jump-up (紫罗兰;堇菜;羞怯的人)

  • Tyrian purple (紫色的;紫罗兰色的)

3668. virtually

'və:tʃuəli 实际上,事实上

🎤例句
  • Virtually all the children come to school by bus. (几乎所有的孩子都乘公交车上学。)

  • He was virtually unknown before running for office. (他在参加竞选之前几乎不为人知。)

🤔同义词
  • actually, really, almost, nearly, most (事实上,几乎;实质上)

3669. virtue

'və:tju: 善;美德;优点

🤩短语
  • virtue of (借助,由于;有…优点)

  • by virtue of (由于,凭借)

  • in virtue of (由于;凭借)

  • virtue education (思想教育)

  • have the virtue of (具有…的优点)

  • of easy virtue ((女人)水性杨花的)

  • virtue and vice (善与恶)

🎤例句
  • Women have often been used as symbols of virtue. (女性常被用作美德的象征。)
🤔同义词
  • asset, excellence, efficiency, morality (美德;优点;贞操;功效)

3670. visible

'vizəbl 可见的,看得见的

🤩短语
  • visible light (可见光)

  • visible spectrum (可见光谱)

  • visible image (可见象;可见像;视像)

  • visible range (可见范围,可见光谱区)

  • visible trade (有形贸易)

  • visible laser (可见激光;可见激光器;可见镭射)

🎤例句
  • The comet is visible to the naked eye (= can be seen without using special equipment ). (这颗彗星肉眼看得见。)

  • Check the plant for any visible signs of disease. (检查一下植物是否有患病的迹象。)

🤔同义词
  • obvious, distinct, seen, evident (明显的;看得见的;现有的;可得到的)

3671. vision

视;想象力;梦幻

🤩短语
  • computer vision (计算机视觉;机械视觉)

  • machine vision (机器视觉;计算机视觉)

  • field of vision (视野;[光]视场)

  • vision system (视觉系统)

  • night vision (夜视;微光摄像电视)

  • blurred vision (视力模糊;模糊视线)

  • binocular vision (双眼视觉;双目镜观察)

  • range of vision (视野;视力范围)

  • color vision (色觉)

  • vision of the future (未来的憧憬;展望未来)

  • laser vision (n. 激光录像)

  • peripheral vision (周边视觉;间接视力)

  • line of vision (n. [医]视线)

  • monocular vision (单眼视觉)

  • wide vision (宽屏电视)

  • stereoscopic vision (立体视觉)

  • tunnel vision ([医]管状视力;视野狭窄)

  • double vision (复视)

  • angle of vision (视角;观点)

  • persistence of vision (视觉暂留;视觉残留;持续视觉)

🎤例句
  • She suffered temporary loss of vision after being struck on the head. (她头部受撞击以后出现暂时性失明。)

  • Tears blurred her vision (= made it difficult for her to see ). (泪水模糊了她的视线。)

🤔同义词
  • sight, imagination, eye, seeing, eyesight ([生理][眼科]视力;美景;眼力;幻象;想象力)

  • image, envision (想象;显现;梦见)

3672. visual

'vizjuəl 看的;看得见的

🤩短语
  • visual angle (n. 视界,视角)

  • visual effect (视觉效果;视觉特效,视觉效应)

  • visual field (视野)

  • visual acuity (视敏度)

  • visual system (n. 视觉系统,目视(光学)系统)

  • visual communication (视觉通讯;可视通信)

  • visual information (视觉信息)

  • visual impact (视觉冲击,视觉震撼;视觉效果)

  • visual image (视觉影像)

  • visual language (视觉语言)

  • visual art (视觉艺术)

  • visual inspection (目测;目检;外观检验)

  • visual perception (视觉感知;视知觉)

  • visual basic (视觉化Basic程式语言)

  • visual display (直观显示;视觉显示;光学显示;可见显示)

  • visual identity (视觉识别)

  • visual cortex (视皮质,视觉皮质)

  • visual range (视程;可见区域;可视距离)

  • visual impairment (视觉缺陷)

  • visual programming (可视编程)

🎤例句
  • Artists translate their ideas into visual images. (画家把自己的思想转换成视觉画面。)
🤔同义词
  • optical, Life-like ([眼科][生理]视觉的,视力的;栩栩如生的)

3673. vital

'vaitəl 生命的;有生命力的

🤩短语
  • vital part (要害部位)

  • vital energy (生命力)

  • vital force (n. 生机;生命力)

  • vital capacity ([医]肺活量)

  • vital function (重要作用;生命机能)

  • vital statistics (人口动态统计;生命的统计资料)

  • vital interest (切身利益;重大利益)

  • vital point (要点)

  • vital sign (生命征;生命迹象)

🎤例句
  • Rodgers and Hart’s music sounds as fresh and vital as the day it was written. (罗杰斯与哈特的音乐现在听来还有刚写成时的那份清新和活力。)
🤔同义词
  • dynamic, life-or-death (至关重要的;生死攸关的;有活力的)

3674. vitamin

'vɪtəmɪn, 'vʌɪt- 维生素,维他命

🤩短语
  • vitamin c (维生素C)

  • vitamin e (维生素E;生育酚;抗不育维生素)

  • vitamin d (维生素D(抗佝偻病维生素);钙化醇)

  • vitamin a (维生素A;维他命A)

  • vitamin k (维生素K)

  • vitamin b complex (复合维生素B)

  • vitamin p ([医]柠檬素)

  • vitamin deficiency (维生素缺乏;维生素缺乏症)

🎤例句
  • Try to eat foods that are rich in vitamins and minerals. (尽量吃富含维生素和矿物质的食物。)
🤔同义词
  • thiamine hydrochloride ([生化]维生素;维他命)

3675. vivid

'vivid 鲜艳的;生动的

🤩短语
  • vivid description (生动的描述;生动的报导)

  • vivid picture (逼真模式;栩栩如生的描写)

  • vivid green (翡翠绿)

🎤例句
  • I’ve got vivid memories of that summer. (我对那年夏天记忆犹新。)

  • He had a vivid picture of her in his mind. (他的脑海中清晰地留着她的形象。)

🤔同义词
  • telling, live, bright (生动的;鲜明的;鲜艳的)

3676. volcano

vɔl'keinəu 火山

🤩短语
  • active volcano (活火山)

  • dormant volcano (休眠火山;睡火山,休火山)

  • extinct volcano (死火山)

🎤例句
  • Pompeii was destroyed when the volcano erupted in 79 AD. (庞贝城于公元79年在火山爆发中毁灭。)

3677. volt

vɔlt 伏特,伏

🎤例句
  • That is one electron volt. (就是一单位的电子伏特。)

  • If I multiply these two, what is the coulomb times a volt? (如果我把这两个乘起来,库仑乘以伏特是多少?)

🤔同义词
  • jook (伏特(电压单位);环骑;闪避)

3678. voltage

'vəultidʒ 电压

🤩短语
  • low voltage (低电压)

  • output voltage (输出电压)

  • voltage stability (电压稳定;电压稳定度)

  • input voltage (输入电压;工作电压)

  • dc voltage (直流电压;直羚压)

  • rated voltage ([化]额定电压)

  • voltage control (电压控制)

  • voltage regulator (稳压器;调压器)

  • voltage source (n. 电压电源)

  • supply voltage (电源电压;供给电压)

  • voltage drop (电压降落)

  • ac voltage (交流电压;交羚压)

  • voltage transformer (电压互感器;电压变量器)

  • constant voltage (恒定电压;定压)

  • voltage regulation (稳压;电压调整;电压变动率)

  • arc voltage (弧电压)

  • working voltage (工作电压;工诅压;操作电压)

  • breakdown voltage ([电]击穿电压)

  • medium voltage (中压)

  • applied voltage (外加电压)

🎤例句
  • The systems are getting smaller and using lower voltages. (这些系统正变得更小而且使用更低的电压。)
🤔同义词
  • electric tension, electrical pressure ([电]电压)

3679. volume

'vɔlju:m 卷,册;容积;音量

🤩短语
  • sales volume (销售量)

  • volume fraction (体积分率,体积分数;容积率)

  • traffic volume (交通量)

  • high volume (高容量)

  • air volume (风量;空气体积)

  • trading volume (交易额)

  • volume ratio (体积比)

  • pore volume (孔体积;孔隙容积)

  • total volume (总体积;总容积;总成交量)

  • trade volume (交易量)

  • volume production (批量生产,成批生成;容积产量)

  • constant volume (定容;恒定体积)

  • by volume ([化]按体积计)

  • volume control ([电]音量控制;容量调节;卷控制)

  • control volume (控制卷)

  • unit volume (单位体积;单位容积)

  • production volume (生产量;产品产量)

  • transaction volume (交易量)

  • volume change (n. 体积变化,容积变化)

  • data volume (数据量;数据卷;资料量)

🎤例句
  • the volume of trade (贸易量)
🤔同义词
  • lots of, wealth, ocean, sea, bulk (量;[物]体积;[计]卷;音量;大量;[图情]册)

  • massive, extensive, substantial, macro, much (大量的)

3680. voluntary

'vɔləntəri 自愿的,志愿的

🤩短语
  • voluntary contributions (自愿捐款)

  • voluntary agreement (自愿协议)

  • voluntary withdrawal (自动撤销;自动退学)

  • voluntary movement (随意运动)

  • voluntary association (自治组织;自愿组合)

  • voluntary action (随意动作;有意动作;自主行为)

  • voluntary muscle (随意肌;横纹肌)

🎤例句
  • Workers are being encouraged to take voluntary redundancy. (工人被鼓励主动离职。)
🤔同义词
  • autonomous, willing, studied, designed, intended (自愿的;志愿的;自发的;故意的)

3681. voyage

'vɔiidʒ 航海,航空

'vɔiidʒ

🤩短语
  • maiden voyage (n. 初航,首航,处女航)

  • sea voyage (远航,航海)

  • bon voyage (一路平安)

  • voyage charter (程租船;计程包船;航程佣船)

🎤例句
  • The voyage from England to India used to take six months. (过去从英格兰到印度要航行六个月。)

  • the Titanic’s maiden voyage (“泰坦尼克”号的首航)

  • I don’t want to make the voyage single-handed. (我不想独自航行。)

  • These are the voyages of the starship Enterprise. (这些就是“企业”号星舰几次航行的经历。)

🤔同义词
  • navigation, salling (航行;[水运][航]航程;旅行记)

  • put, sail (航行;[水运]航海)

  • wing, cross (飞过;渡过)

3682. wage

weidʒ 开展(运动)

🤩短语
  • minimum wage (最低工资)

  • the wages of sin (罪恶的报应,死[源自《圣经》])

  • wage system (工资制度,工资体系)

  • average wage (平均工资)

  • wage level (工资水准,薪金标准)

  • wage income (工资收入;工资所得)

  • low wage (低工资)

  • wage rate (工资率)

  • basic wage (基本工资)

  • living wage (最低生活工资;糊口工资)

  • hourly wage (计时工资,按时计酬)

  • incentive wage (增产奖励工资;计件工资)

  • freeze wages (冻结工资)

  • wage earner (n. 靠工资为生的人;雇佣劳动者)

  • efficiency wage (效率工资;计件工资)

  • wage freeze ([经]工资冻结)

  • wage scale (n. 工资等级表)

  • wage labor (雇佣劳动;工资劳工)

  • wage structure (工资结构)

  • wage hike (n. 工资的增加)

🎤例句
  • The government, along with the three factions that had been waging a civil war, signed a peace agreement. (政府和发动了内战的3方一起签订了1份和平协议。)
🤔同义词
  • progress, do (进行;发动;从事)

  • price, expense, pay, cost (工资;代价;报偿)

  • do, carry with (进行;开展)

3683. waggon

'wæɡən 四轮运货马车

3684. waken

'weikən 醒来

'weikən 弄醒

🤩短语
  • waken up (醒来)
🎤例句
  • She gently wakened the sleeping child. (她轻轻地唤醒睡梦中的孩子。)
🤔同义词
  • arouse, wake sb. up (唤醒;使觉醒)

  • wake up, awake (醒来;觉醒)

3685. wander

'wɔndə 漫游;迷路;离题

🤩短语
  • wander off (漫步;漫游;离群走散)

  • wander about (徘徊;流浪;漫步)

  • wander from (离题)

  • baseline wander (基线漂移)

🎤例句
  • Don’t let any of the kids wander off. (不要让任何一个小孩走开去。)
🤔同义词
  • lose oneself, hang about (徘徊;漫步;迷路;离题)

  • range, louse around (游荡,漫游)

3686. want

wɔnt, wɔ:nt 需要;缺乏

🤩短语
  • want to be (想成为;想要成为)

  • do you want to (你想要)

  • want to do (想要做)

  • what do you want (你想要什么;你想怎么样)

  • want of (缺乏;需要)

  • want in (想要进来)

  • in want (在贫困中)

  • want for (需要;缺乏…)

  • whatever you want (无论你要什么;不管你想要什么)

  • in want of (需要,缺少)

  • for want of (因缺乏)

  • want out (解除;想要出去)

  • freedom from want (免于匮乏的自由)

  • want ad (征聘广告,征求广告)

  • want a go (试一试;想试试,想要试一试)

🎤例句
  • The gallery closed down for want of funding. (那家画廊由于缺乏资金关闭了。)
🤔同义词
  • ask, would have, claim (需要;希望;应该;缺少)

  • necessity, shortage, need, poverty, deficiency (需要;缺乏;贫困;必需品)

  • wish, have need of (需要;缺少)

3687. warmth

wɔ:mθ 暖和,温暖;热烈

🎤例句
  • She went further into the room, drawn by the warmth of the fire. (她被火的温暖吸引着,走进了房间。)
🤔同义词
  • passion, flame, fire (温暖;热情;激动)

3688. water

使湿,灌溉

🤩短语
  • water quality (水质)

  • water supply (供水系统;水源)

  • water treatment (水处理;水的处理)

  • waste water (污水,废水)

  • drinking water (饮用水)

  • hot water (热水;困境)

  • water pollution (水污染)

  • water resource (水资源)

  • water content (含水量)

  • water system (水系;供水系统(等于water supply))

  • water conservancy (水利;水资源保护)

  • cooling water (冷却水)

  • water level (n. 水位;水平面;水准仪)

  • by water (由海路,乘船;由水路)

  • surface water ([地]地表水)

  • fresh water (湖水,淡水)

  • cold water (冷水;凉水;凉开水)

  • high water (高潮,高水位;水位达到最高点的)

  • water injection (注水;喷水)

  • ground water (地下水)

🎤例句
  • There’s water all over the bathroom floor. (浴室地面上都是水。)

  • Does anyone want a drink of water? (有谁想喝杯水吗?)

  • a glass of sparkling mineral water (一杯有气矿泉水)

  • All rooms have hot and cold running water. (所有房间都有冷热自来水供应。)

  • Pour boiling water over the rice and let it soak. (在大米中倒入沸水浸泡。)

  • a fresh water spring (淡水泉)

  • When dealing with a burst pipe, always turn off the water first. (处理破裂水管时,一定要先把水关掉。)

  • contamination of the local water supply (当地供水受到污染)

🤔同义词
  • seawater, eau (水;海水;雨水;海域,大片的水)

  • shed tears, pipe one's eye (加水;流泪)

3689. waterproof

'wɔ:təpru:f, 'wɔ- 不透水的,防水的

🤩短语
  • waterproof paint (防水涂料;防水漆)

  • waterproof concrete (防水混凝土;防水砼)

  • waterproof membrane (防水膜)

  • waterproof paper (防水纸,防潮纸)

  • waterproof agent (防水剂)

  • waterproof jacket (防水密外套;防水夹克)

  • waterproof fabric (防水布;防水织物)

  • waterproof cloth (防水布)

🎤例句
  • a waterproof jacket (防水上衣)

  • waterproof adhesive (防水黏合剂)

  • Rub the wax in to make the shoe waterproof. (在鞋子上抹点蜡使其防水。)

🤔同义词
  • splashproof, hose-proof (防水的,[建]不透水的)

  • rainproof (使防水)

3690. wave

weiv 波;波涛

weiv 波动

🤩短语
  • shock wave (冲击波)

  • tidal wave (浪潮;海啸;潮汐波)

  • in waves (波浪似的,似海浪般接踵而至地)

  • heat wave (热浪;热波)

  • electromagnetic wave ([电磁]电磁波)

  • ultrasonic wave (超声波)

  • wave equation (波动方程)

  • wave propagation (波传播)

  • seismic wave (地震波;海啸,海啸波)

  • wave motion (波动)

  • cold wave ([气]寒潮;(头发的)冷烫)

  • wave velocity (波速)

  • plane wave (平面波)

  • wave theory ([物]波动论;波动说)

  • sound wave (声波;纵向压力波)

  • new wave (新浪潮(五十年代源于法国的电影流派);新浪潮音乐(七十年代后期的摇滚音乐))

  • acoustic wave (声波)

  • sine wave (正弦波)

  • wave field (波场)

  • wave function (波动函数)

🎤例句
  • Dee watched the waves breaking on the shore. (迪伊凝视着拍岸的波涛。)

  • The ship tipped over, and finally vanished beneath the waves. (船倾覆了,最终沉没在海浪之下。)

🤔同义词
  • roll, rock (波动;起伏;挥手示意;摇动;呈波形)

  • undulate (卷(烫)发;向…挥手示意;使成波浪形)

  • fluctuation, undulation (波动;[海洋]波浪;高潮;挥手示意;卷曲)

3691. wax

wæks 蜡,蜂蜡

🤩短语
  • paraffin wax (n. 固体石腊)

  • on the wax (正在变大;在增加)

  • wax printing (蜡染)

  • wax emulsion (蜡乳化液;乳状石蜡)

  • wax gourd (冬瓜)

  • wax and wane (月圆月缺;盈亏;兴衰成败)

  • wax pattern (蜡模)

  • microcrystalline wax (微晶蜡;微晶石蜡)

  • wax oil (蜡油)

  • polishing wax (打光蜡)

  • lost wax casting (蜡模铸造;失蜡铸造;脱蜡铸造)

  • floor wax (地板蜡;擦地板布)

  • wax paper (蜡纸(用于包装物品))

  • wax museum (蜡像馆)

  • carnauba wax (巴西棕榈蜡;加诺巴蜡)

  • sealing wax (封蜡;火漆)

  • hard wax (硬蜡)

  • slack wax (疏松石蜡;粗蜡)

  • petroleum wax (石油蜡;石蜡)

  • ear wax ([医]耳垢)

🎤例句
  • wax crayons (蜡笔)
🤔同义词
  • increase, make (月亮渐满;增大)

  • waxen ([轻]蜡制的;似蜡的)

3692. weaken

'wi:kən 削弱

'wi:kən 变弱

🎤例句
  • Over the last two years the president’s position has weakened. (过去两年来,总统的地位被削弱了。)

  • Changes in policy have weakened the power of the trade unions. (政策的变化削弱了工会的力量。)

  • The absence of this witness has weakened the case against the accused. (这名证人的缺席削弱了对被告的指控力度。)

🤔同义词
  • shorten, to cut down (减少;使变弱;使变淡)

  • moderate, recoil from (变弱;畏缩;变软弱)

3693. weakness

'wi:knis 虚弱,软弱;弱点

🤩短语
  • structural weakness (组织弱化)
🎤例句
  • The legislation has a fundamental weakness. (这项立法有一个根本性缺陷。)

  • The plan has strengths and weaknesses. (这个计划既有优点又有缺点。)

🤔同义词
  • habit, appetite, hobby (弱点;软弱;嗜好)

3694. wear

磨损

🤩短语
  • wear resistance ([机]耐磨性,耐磨度)

  • wear and tear (n. 磨损)

  • wear resistant (耐磨的;耐磨性)

  • wear in (磨合)

  • wear glasses (戴眼镜;戴着眼镜)

  • tool wear (工具磨耗,刀具磨损)

  • casual wear (便装,休闲服)

  • wear out (磨损,耗尽;穿破;使精疲力竭)

  • in wear ((服装等)时髦的;经常穿着的)

  • abrasive wear (磨损;磨料磨损;磨蚀)

  • sports wear (运动服)

  • wear properties (耐磨性)

  • wear rate (磨耗率)

  • wear on (缓慢地进行;时间消逝)

  • wear test (磨损试验;磨耗试验;试穿)

  • children's wear (童装;儿童服装)

  • wear away (磨损;消磨;流逝)

  • wear well (经久耐用)

  • resistance to wear (耐磨性;抗磨强度)

  • wear off (磨损;逐渐消逝)

🎤例句
  • The cushions are starting to wear a little. (这些靠垫开始有点磨破了。)

  • His jeans have worn thin at the knees. (他牛仔裤的膝盖处已经磨薄了。)

  • You’ve worn a hole in your sock. (你的袜子磨出了个洞。)

🤔同义词
  • have on, keep sth on (穿着,戴;[机]磨损)

  • grind down, frazzle ([机]磨损,变旧)

  • clothing, waste, garment, apparel, durability ([服装]服装,穿着;耐用性,耐久性;损耗)

3695. weave

织,编

纺织

🤩短语
  • plain weave (平纹梭织,平纹布;平布)

  • twill weave (斜纹组织;斜纹织;斜织法)

  • satin weave (缎织;缎纹组织)

  • weave structure (织物组织)

  • weave through (穿梭)

  • weave into (把...交织在一起)

🎤例句
  • hand-woven scarves (手织围巾)

  • Only a few of the women still weave. (只有数量很少的妇女还在编织。)

  • traditional basket weaving (传统的编篮技术)

🤔同义词
  • pleach, complect ([纺]编织;编排;使迂回前进)

  • cloth, web (织物;[纺]织法;编织式样)

3696. weed

wi:d 杂草,野草

wi:d 除草

🤩短语
  • weed control (除草;杂草防除;野草控制)

  • weed out (清除;淘汰;除去)

  • weed killer (除草剂)

  • sea weed (海苔,海带;赤菜,海草)

🎤例句
  • the constant battle against weeds (对付杂草的长期斗争)
🤔同义词
  • shovel (除草;铲除)

  • fireweed, ruderal ([植]杂草,野草;菸草)

3697. weep

wi:p 哭泣,流泪

🤩短语
  • weep for (为…而哭泣)

  • weep over (因…而哭泣;为…流泪)

🎤例句
  • James broke down and wept. (詹姆斯控制不住感情,哭了起来。)

  • He wept bitterly (= cried a lot ) when it was time for us to leave. (我们要分别的时候他痛哭了一场。)

🤔同义词
  • water, shed tears (哭泣;流泪;哀悼;滴落;渗出液体)

  • shed tears, pipe one's eye (哭泣;流泪;悲叹;流出或渗出液体)

  • tears, eyedrop (哭泣;眼泪;滴下)

3698. weld

weld 焊接,熔接

🤩短语
  • weld seam (焊缝)

  • weld metal (焊缝金属)

  • weld pool (焊池)

  • weld joint (焊缝)

  • butt weld (对接焊缝;对头焊接)

  • spot weld (焊点;点焊(缝))

  • weld penetration (焊透深度;焊接渗透;焊透)

  • weld line (熔接线;焊接纹)

  • fillet weld (角焊缝)

  • weld bead (焊缝;焊珠;熔敷焊道)

  • arc weld (电弧焊;弧焊焊缝;电弧焊接)

  • appearance of weld (焊缝成形)

  • weld zone (焊接区)

  • backing weld (用垫环的焊缝;底焊焊缝;打底焊道)

  • girth weld (环形焊缝;周围电焊)

  • weld strength (焊接强度)

  • spiral weld (螺旋形焊缝)

  • groove weld (坡口焊,凹槽焊;开槽焊接)

  • corner weld (角接焊缝;角焊;角焊道)

  • weld wire (包铜钢丝;铜包钢丝;包钢铜丝)

🎤例句
  • The new handle will have to be welded on. (新的把手得焊上去。)
🤔同义词
  • combine, bond ([机]焊接;使结合;使成整体)

  • jointing, soldering ([机]焊接;焊接点)

3699. welfare

'welfεə 幸福,福利

🤩短语
  • social welfare (社会福利;社会福利工作(等于social work))

  • public welfare (公共福利,公用福利设施;社会福利)

  • welfare system (福利体系)

  • welfare state (福利国家)

  • welfare economics ([经]福利经济学)

  • economic welfare (经济福利)

  • welfare lottery (福利彩票)

  • general welfare (公共福利)

  • child welfare (儿童福利;保育)

  • on welfare (接受救济的;接受生活照顾的)

  • welfare work (福利工作)

  • welfare fund (n. 福利基金)

  • public welfare forest (公益林)

  • welfare facilities (福利设施)

  • social welfare function (社会福利函数;社会福利功能)

  • welfare cost (社会福利支出;福利费)

🎤例句
  • Our only concern is the children’s welfare. (我们唯一关心的是孩子们的幸福。)
🤔同义词
  • happiness, weal (福利;幸福;福利事业;安宁)