U
ultimate 最后的，最终的 The war ended for us in ～ victory
unanimous 全体一致的，一致同意的 They are ～ in asking for a rise in pay
uncover 揭开，揭露 ～ a dish of food
underestimate 低估 ～ the difficulties of the task
undergo 经历，遭受，忍受 ～ much suffering
underline 在……下划线，强调 Please translate the ～d sentences in the passage
underlie 位于……之下 Many facts ～ my decision
undermine 在……下挖; 暗中破坏 ～ a wall
undertake 着手做， 从事 ～ an attack
undesirable 不合意的，不受欢迎的 The drug has ～ side effects
uneasy 心神不宁的，不安宁的 be ～uneasy about the future
unfold 展开，打开  ～ a newspaper
uniform 不变的，相同的，均匀，统一的 a ～ temperature
unify 使成一体，统一 become a unified nation
update 更新，使现代化 ～a textbook
upgrade 提高，使升级，改善 ～ products and services
uphold 举起，高举 He upheld his clenched hand
upright 挺直的，垂直的 an ～ seat
uproar 骚乱，骚动The public ～ over unclear-radiation hazards continues to mount
upset 弄翻，打翻 I’ve ～ a tin of paint on the carpet
up-to-date 时新的，新式的，现代化的They are ～ on recent developments in the world computer industry
urge 推进，鼓励 The president ,～d on by his staff, has decided to attend the talks
urgent 紧迫的，紧要的 He left the country on ～ business
utilize 利用 ～ solar energy
utter 发出（声音等），说，吐露 ～ the truth
V
vacant 未被占用的 a ～ seat in a bus
vague  含糊的，不明确的，模糊的 a ～ answer
vain 徒劳的，无效的 ～ efforts
valid 有根据的 a ～ excuse
value 价值 I was offered 50 pounds for my old car but its ～ is much higher
vanish 突然消失，逐渐消散 With a wave of his hand, the magician made the rabbit
veil 面纱，面罩 Jewish women wore ～s in token of reverence and submission
ventilate 使通风，使空气流通 ～ a room
venture 冒险，冒险行动，投机行动take a ～ in oil
verge 边，边缘，边沿 the ～ of a stream
verify 证明，证实Subsequent events verified my suspicions
versatile 多才多艺的 a ～ man
versus 诉讼，竞赛等中以……为对手 The match tonight is China ～ Japan
vertical 垂直的，立式的 a ～ engine
veto 否决，否决权，否决权的行使 The rest of the committee could not  accept the ～
vibrate 使震动，使摆动 His heavy footsteps upstairs made the old house ～
vicious 邪恶的，恶毒的，凶残的 lead a ～ life
vigor 体力，精力，活力 in the ～ of manhood
violate 违反，违背 ～ the traffic regulations
virtual 实际上的，事实上的 the ～ manager of the business
virtue 美德，德行 Among her many ～s are loyalty ,courage, and  truthfulness
visible 看得见的，可见的 a ship barely ～ on the horizon
vision 视力，视觉 ～ care
vital 有生命力的 The heart is a ～ organ
vivid 鲜艳的 the ～ green of leaves in spring
void 空的 a ～ space
volunteer 志愿者，自愿参加者 Are there any ～s for a swim?
vote 投票，表决 bring sth to a vote
W
wage 工资，报酬 What is your weekly ～?
wake 醒来，醒着，唤醒 He spends all his waking hours working
waken 醒来，睡醒He wakened when the alarm sounded
wander 漫步，徘徊 He ～ed home
ward 病房 a 4-bed ～
warrant 授权，批准，正当理由，根据 He had no ～ for his action
waterproof 不透水的，防水的 ～ material
way 方法，方式 Do it your own way
wear 穿，戴 ～ diamonds
weary 疲倦的，疲劳的 a ～ look
weave 织，编，编制 ～ cloth
wedge 楔子，三角木 Please put a ～ in the door so that it will stay open
weed 杂草，野草My garden is running to ～s
weep 哭泣，流泪 ～ for one’s failure
weigh 称……重量，称～ oneself on the scales
weld 焊接，煅接 It takes speed to ～ steel at this heat
whirl 旋转，急转 The couples ～ed round the dance floor　
whisper 低语，耳语，轻声说 ～ to sb
whistle 吹口哨，鸣笛 The train ～d
whitewash 粉饰
wholesome 有益于健康的 ～ surroundings
wicked 坏的，邪恶的，淘气的，恶作剧的 ～ habits
wind 绕，缠The snake wound around a branch
wire 金属丝，金属线steel ～
withdraw  抽回，收回，提取 She withdrew her eyes from the terrible sight
withhold 使停止，阻挡 be obliged to ～ one’s pen
withstand 经受，承受 ～hardships
witness 目击者，见证人a ～ of the accident
wonder 奇迹 the Seven Wonders of the World in ancient times
worship 崇拜，崇敬 the ～ of the dollar
worth  值……钱a  house ～ 50,000 pounds
wrap 包，裹  ～ oneself in a blanket
wreck 失事，遇难 a train ～
wrench 扳手 He is a ～ .
wrinkle 皱，皱纹 He will wore the ～s of anxiety on his forehead.
write 写，写字，写信，写作 She ～s to me every other week.
Xerox 静电复印（法），静电复印件，静电复印机 Make me a ～ of this report.