高考英语词汇总复习

U字母开头

 

ugly adj. unpleasant to see丑陋的，难看的

UK n. abbrev.. United Kingdom (of Great Britain and NorthernIreland) (大不列颠及北爱尔兰) 联合王国

umbrellan.  an arrangement of cloth over afolding frame with a handle, used for keeping rain off the head伞，雨伞

unableadj.  not able; without the power,knowledge, time, etc., to do something不能的；无能为力的；不胜任的；没时间做的

uncertain adj.1. not certain; doubtful 不确定的；不明确的；可疑的

2.undecided or unable to decide 未作决定的；无法断定的

beuncertain about  对．．．不确定

unclen.  the brother of one’s father ormother, or the husband of one’s aunt伯父；叔父；舅父；姑丈；姨丈

under adv.  in or to a lower place;below 在下；往下；少于

prep. 1.  directly below; covered by在．．．下面，在．．．底下；被．．．遮掩着

2.  lessthan;

syn. below少于；低于；在．．．以下

ant. over

3.  working for;controlled by 为．．．工作；受．．．支配

underground also tube BrE; subway AmE n.  a railway system in whichthe trains run in passages under the surface of the ground地下铁道

understand v.  1. to know or get themeaning of (something) 懂；理解；明白

2. toknow or feel closely the nature of (a person, feelings, etc.)领会，了解（人，感情等）

3.fml or polite(正式；雅) to have beeninformed; have found out(a fact) 获悉；得知；发觉

understanding n.  the act of understanding; powerto judge 理解，了解，领会；理解力，判断力

underwater adj.& adv. (used, done, etc.) below the surface of the water在水下的，在水中（使用，进行）的；在水下，在水中（使用，进行）

undivided adj.  complete完整的，未分割的；专一的

unfair adj.  不公平的;不公正的

unfold v.  1.  toopen from a folded position 展开，摊开，打开

2.  to make orbecome clear, more fully known, etc. 显露，表露

unhealthy adj.1.   not generally in good health不健康的；有病的

2. notlikely to give good health 对健康不利的；对身心有害的

3. unnatural 非自然的；反常的；怪异的

uniform n.  a certain type of clothing whichall members of a group wear, esp. in the army, a school, or thepolice（尤指军人，学生，或警察的）制服

union n.  1.  theact of joining or state of being joined into one联合；合并；结合

2.(often cap.) (常大写) a group of countries or states joined together联邦；联盟

3.  a club orsociety, esp. a TRADE UNION 协会；联合会；（尤指）工会

unit n.  1.  athing or group regarded as being a complete whole单位；单元（指被视作一个整体的事物或团体）

2.  an amount orquantity taken as a standard of measurement(作为计数或计量标准的)单位

3. a piece of furniture, storage apparatus, etc., which can be fittedwith others of the same ty pe 一套用具（如家具、贮藏用具等）

unite v. 1. to join together into one（使）联合；（使）团结；(使）合并

2. to act together for a purpose (为一定目的而)联合行动，一致行动

united adj.  1  joined ina state of love, agreement, etc. 团结的，和睦的

2 witheveryone concerned having the same aim 一致的，统一的

3 (cap. In names)(作名称时

大写) joined in apolitical organization结合于一个政治组织内的

universe n. (often cap.) (常大写)all space and the matter which exists in it 宇宙；世界 ；天地万物

unknown n.&adj.  (a person or thing) whose name,value, or origin is not known(人或事物的名称、价值或起源)未知的，未被发现的，不了解的；未知的人（或事物）

university  n.   大学

unlessconj.  if not; exceptif  如果不；除非

unpleasantadj.  not pleasant; causing dislike;not enjoyable; unkind 使人不愉快的；讨厌的；不合意的；不和善的

-unpleasantly adv.. -unpleasantness n.

unreservedadj.  without limits or reservations 无限制的，无保留的；充分的；坦白的

unrestn.  不安；骚动

unsoldadj.  未销售的

unsuccessfuladj.  不成功的；失败的

until alsotill（亦作till)- prep.&conj.   up to the timewhen, up to as late as 直到…为止;在…以前

not…until…   直到．．．．．．之前；不到．．．．．．（不）

unusualadj.  not usual; rare; notcommon; interesting because different from others不平常的；罕见的；与众不同的；独特的

upadv.  1 from below towards a higher place; away from the floor, the ground,or the bottom 向上；向更高处；离开楼面（地面，底部）

2      ina high place 在上；在高处

3  into anupright or raised position 趋向直立或竖起姿势

adj. 1  directed or going up向上的

2 (of a road )being repaired (道路)正在修理的

prep.1  to or in a higher place in; upwards by wayof  向．．．面; ;在．．．上面；由．．．向 上

2       along; to or at the far end of 沿着；向．．．的远端；在．．．的远端

3       against the direction of(the current of a river)逆着（河流）的方向  (＜反＞down)

4  up anddown:

a.  higherand lower on 沿．．．上（去）下（来）

b. backwardsand forwards along 沿．．．来  回

upon prep.  在．．．．．．上面

up stairsadv.&adj.   at, to, or onthe upper floor(s) of a building 在楼上(的)；往楼上（的）

upwards alsoupward AmE(亦作upward<美>)- adv.

1 going up向上，上升

2 with aparticular side facing up （某一面）朝上地

uraniumn.  a heavy white metal that is asimple substance(element)

and gives outradioactivity 铀（放射性元素）

uspron. (object form ofWE)  (WE的宾格)

usen.  1  t he act ofusing or state of being used 用；使用；应用；利用

2 the abilityor right to use something 运用能力；使用权

3 the purposeor reason for using something 使用目的；用途；用处

4 theusefulness or advantage given by something 效用；好处；价值

use v.  used, using 1  to employ for a purpose; put to use用；使用；利用；应 用

2to finish;consume 消费；消耗；耗尽

3 derog(贬 )to treat (someone) with consideration only for one’s ownadvantage（为私人利益）利用（他人）；自私地对待（某人）

v. used, BrE negative short formsusedn’t,  usen’t(<英>否定缩略形式 usedn’t, usen’t)

(used in the pasttense only, to show that something happened always or regularly)（仅用于过去式中 ，表示某事过去经常或有规律地发生）

make useof   利用；借用

use one’shead  动脑筋；仔细考虑

USAGE 1  Used to and would areboth used of things that happened always or regularly in the past,but would is not used at the beginning of a story用法: Used to和would都用以表

示事物过去经常或有规律地发生，但在开始叙述时不用would: Weused to swim ev.ery day

When wewere children. We would run down to the lakeand jump in…我们小时候天天去游泳。我们常跑到湖边，跳进水里．．．

2  The usualquestion form of used to is Did(n’t)

sl: use/usedto,  but Used/Usen’t she to are alsopossible. used to 的常用疑问形式是

Did(n’t)she use/usedto, 但也可用Used/Usen’t she to. in the NEGATIVE, She usednot to/usen’t to and She didn’t used/use toare all possible, but She never used to, whichexpresses the same idea, is probably more common. 在否定句中，Sheused not to/usen’t to 和She didn’t used/use to两者都可用，但意思相同的She never used to也许用得更为普遍

used动词use的过去式

used to 过去常常

be used to习惯于

usefuladj. 1 effective in use有用的；有效的；有益的  2  helpful有帮助的

uselessadj. not of any use 无用的；无效的；无益的

–uselesslyadv.

–uselessness n.

usualadj.  happening most often;customary 通常的，平常的，惯常的

asusual  as generally has happenedbefore  象往常一样；照例

usuallyadv.  often;generally  通常，经常，惯常