初中英语 基本词汇语法解析 以字母U开头的单词

Uugly gladj. 讨厌的；丑陋的，难看的 (-ier, iest ) ：Dont keep your mouth open all the time, it looks ugly.不要老把嘴巴张着，太难看了。an ugly face 一张难看的脸 短语：1.an ugly duckling 丑小鸭 umbrella mbreln.C伞；保护伞：An umbrella will protect you from the rain.雨伞可以保护你不致淋雨。短语：1.put up / take down an umbrella 把伞张开/ 合起unbelievable nblivb()l adj. 难以置信的，不真实的It is unbelievable, but I like that. 这很难以置信，但是我喜欢它。uncle k()ln. C叔，伯，舅，姑父，姨父（对应词） aunt under ndprep. 在下面；在下方 （反义词）over ： e.g. Our boat went under the bridge. 我们的桥通过桥下。Goldfish were swimming lazily in a group just under the surface.金鱼聚在一起贴着水面懒洋洋地游着。underground ndgrandadj. 地下的 n. 地铁短语：1.take the underground train ( US subway ) 乘地铁：e.g. Its usually quite convenient to take the underground train to most places in Paris. 在巴黎乘地铁去大部分地方通常是相当方便的。understand (understood, understood) ndstndv 理解，明白，懂得 （不用于进行时）He is trying his best to understand his meaning.他正在尽力弄明白他的意思。understanding ndstnd n. C, U领会，理解;看法，理解力 His understanding of English is good.他对英语的 理解力很好。短语：1.make one-self understand 使别人理解自己的意思 underwear ndwen. C内衣unexpected nkspektd; nek-adj.出乎意料的，始料不及的Help may also come from some unexpected places.帮助也可能来自某些意想不到的地方。unfair nfe adj.不合理的，不公正的It seems unfair on him to make him everything.让他承担一切费用似乎对他不公平。unhappy nhpadj. 不幸福的；可怜的 ；不愉快的 (-ier, -iest ) ：e.g. Everyone is unhappy in our neighborhood. 在我们社区每个人都不高- (adv) unhappily (n) unhappiness uniform junfmn.C校服，制服unit juntn. C单元，单位e.g.This lesson is divided into four units. 这一课分为四个单元。university junvstn. 大学 大学人员 ：e.g. She hopes to go to university next year. 她希望明年能上大学。e.g. Soon , the whole university knew about her win. 不久，全院师生都知道她获胜了。unless nlesconj .除非；若不: e.g. Unless we deal with our problems, we can easily become unhappy. 如果我们不处理我们的问题，我们可能很容易变得不快活。unlucky nlk adj.不幸的，不吉利的It was quite unlucky for anyone to be stolen from.对任何人来说，家中失窃绝非幸事。until ntlprep & conj . 直到时（动词通常是延续性动词）：.（用于否定句） 在以前：e.g.Wait until the rain stops. 等到雨停了再说。e.g.Dont go out until four. 在四点钟以前不要出去。unusual njuladj.特别的，不寻常的Mr. Heath was a man of unusual character. 希思先生具有独特的个性。up padv. 在上方；起身：（位置，条件等）在上方（动词短语）完全地；全部 prep. 沿着：短语：1.get up 起床 / stand up 站起来 e.g. The sun is still up. 太阳仍在上方。.e.g.Dont let yesterday use up too much of today. 不要让昨天用光太多今天的时光。 短语：1. up and down 上下地，往返地 ：e.g.He uses the lift to go up and town. 他用电梯上上下下。 2. up to 直到 ：e.g.I didnt know the fact up to then. 一直到那时，我还不知道事实。 e.g.They walked up the road. 他们沿着那条路走去（走来）。upon pnprep 在上面e.g.There is not a chair to sit upon.没有一把椅子可坐。 I imagined the eyes of the others in the room upon me.我觉得屋里其他人似乎都在盯着我。短语：1.once upon a time. 从前 upset pset adj. 难过，失望，沮丧He was very upset that you didnt reply to his letters. 你没有给他回信，他很不安。 upstairs pstezadv. 往楼上；在楼上：（反）downstairs ：Jim lived upetaim.吉姆住在楼上。短语：1.go upstairs 上楼us spron.我们 (we的宾格) He invited us to the party.他邀请我们参加晚会。use juzv. 使用，利用，应用 n. jus C, U用途，效果； C, U使用；应用This use is less common in British English.这种用法在英式英语中不多见。The company now uses a computer to do all its accounts.这家公司现在使用电脑做账。He used not to like fish, but now he does.他过去一直不喜欢吃鱼，但现在他喜欢了。used t。过去经常He is used to getting up early.他习惯早起。be used to doing sth.习惯做某事The knife is used to cut the watermelon.这把刀被用来切西瓜。be used to do sth.被用来做某事used juzdadj. 用过了的，二手的； Would you buy a used car from this man?你会从这个人手里买一辆旧车吗? 短语：1.used cars 旧汽车 useful jusfl; -f()ladj.可用的；有益的：（反）useless The slow cooker is very useful for people who go out all day.慢炖锅对于整天都不在家的人来说很有用。短语：1.a useful book 一本有用的书。usual juladj.通常的；平常的：e.g. It is usual for me to sit up late at night. 我通常是晚睡的。 The letter was written in her usual style.这封信是用她惯常的语调写的。As usual，I slept late that Saturday morning.和平时一样，那个星期六早晨我起得很迟。as usual照例，和平常一样短语：1.as usual 像往常一样：e.g. You are late as usual. 你像平常一样又迟到了。 2. than usual 比平常：e.g. He got up earlier than