6136.unrest(名)不安、动乱
There is growing unrest in the south of the country.
这个国家的南方日益动荡不安。

6137.untouched(形)原封不动的，末触动过的
The area has ramained relatively untouched by commercial development.
相对而言，这个地区至今没有受到商业开发的影响。

6138.unusually(副)不寻常地
Her tastes is unusually keen.
她的味觉非常灵敏。

6139.upset(形)混乱的、心烦的
He wss upset at not being invited.
人家没邀请他，他很不痛快。

6140.upstairs(副)在楼上
The cat belongs to the people who live upstairs．
这猫是楼上人家的。

6141.upward(副)向上
The smoke wreathed upward.
烟雾缭绕上升。

6142.urban(形)都市的、城市的
同义词metropolitan
He prefers rural life to urban one.
他喜欢乡村生活而不喜欢城市生活。

6143.urgency(名)迫切、紧急
This is a matter of some urgency.
这件事相当紧迫。

6144.urgent(形)紧急的
同义词pressing
The law is in urgent need of reform.
这项法律急需修订。

6145.usher(动)招待；引领
The secretary ushered me into his office.
秘书把我引进他的办公窒。

6146.utmost(形)最大的、极度的
Learning is of the utmost importance.
学习是最重要的。

6147.Utopia(名)乌托邦
U需大写
They aren't the lords of creation who could produce a Utopia if only they were clever enough.
他们并非那种仅凭足够的聪明才智便能创造乌托邦的“万物之灵”。

6148.utter(形)完全的、十足的
To my utter amazement,she agreed．
令最大感意外的是，她同意了。

6149.utterly(副)完全地
She utterly failed convince them.
她根本没有说服他们。

6150.vacancy(名)空缺，空位
I'm sorry，we have no vacancies.
对不起，我们这里客满。

6151.vacant(形)空的，未被占用的
The weeds and tall grass in that yard make the house look as if it had been vacant for quite some time.
院子里杂草丛生，使这栋房子看起来似乎有好长一段时间没有住过。

6152.vain(形)徒劳无功的、无意义的、无效的
前加介词in
They tried but in vain to control the market.
他们图控制市场，但没有成功。

6153.valentine(名)情人节；情人
They went to Japan on valentine's Day.
他们去日本过情人节。

6154.valuable(形)有价值的、珍贵的
同义词costly
This painting is very valuable.
这幅绘画非常名贵。

6155.van(名)有盖货车；先锋
Does the van need topping off?
货运车需要加油吗？

6156.vanilla(名)香草
They even actually have vanilla powder.
实际上还可以加香草粉。

6157.vanish(动)消失、消灭
Some huge American industries,such as electronic industry, had shrunk or vanished in the face of foreign competition．
一些美国工业的巨头，例如电子工业，在外国竞争面前不断缩小甚至消失。

6158.variable(形)多变的、异变的
反义词invariable
The weather here is varieble.
这里天气反复无常。

6159.variation(名)变化
It's always the same story whatever the cultural variations.
不论文化方面有什么变化，总还是那么一回事。

6160.varied(形)不同的、各式各样的
同义词different
He led a full and varied life.
他过着丰富多彩的生活。

6161.variety(名)多样性的、多样化
There is a wide variety of patterns to choose from.
有种类繁多的图案可供选择。

6162.various(形)各式各样的
She took the job for various reasons.
她由于种种原因接受了这份工作。

6163.vein(名)静脉；特色
There is a vein of melancholy in his character.
他性格中带有一点儿忧郁的气质。

6164.vent(名)通风口；出口；发泄
She gave full vent to her feelings in a violent outburst．
她大发脾气以宣泄情绪。

6165.venture(动)冒险；投机(名)冒险；企业
(动):He's never ventured abroad in his life.
他一生中从来不敢出国。
(名): The project is a joint between the public and private sectors.
这个项目是公私合营的。

6166.veracity(名)诚实
同义词honesty
Some people questioned the veracity of her story．
有些人质疑她所讲情况的真实性。

6167.verbal(形)照字面的；口头的
Is it true that girls' verbal ability is greater than that of boys?
女孩的口头表达能力比男孩子的强，这是真的吗？

6168.verify(动)证实
Subsequent events verify my suspicions.
随后发生的事情证实了我的怀疑。