英语单词词义辨析 词汇精选：as的用法和辨析

词汇精选：as的用法和辨析  

一、详细释义：,adv.,同样地；和…一样地,例句：,He runs as fast as Paul.,他跑得和保罗一样快。,例句：,Smith works as hard as you used to.,史密斯和你从前一样工作努力。,例如,例句：,These poems were written by poets as by keats and shelly.,这些诗篇是诗人例如济慈和雪莱写的。,例句：,Preserve in a pickling liquid, as of vegetables.,在有酸性的液体中保存食物，例如蔬菜。,conj.,当…时；在…的同时,例句：,I was ing in as he was going out.,我进来的时候，他正出去。,例句：,As I was ing here, I met your brother.,我来这儿的时候遇见了你哥哥。,因为，由于,例句：,As this question is of great interest, we will discuss it once again.,因为这个问题很有意义，所以我们决定再讨论一次。,例句：,As rain has fallen, the air is cooler.,由于下了雨，空气比较凉爽。,如同，像…一样,例句：,Things were almost as they had been before.,事情还如同以前一样。,例句：,I'm lost as a light is lost in light.,我如同灯盏迷失在光明里。,尽管，虽然,例句：,Intelligent as you are, I suspect you will fail.,尽管你聪明，我还是猜想你会失败。,例句：,Child as is Paul, he knows enough to tell good from bad.,保尔虽是个孩子，却已懂得区分好坏。,随着,例句：,The search intensified as dusk approached.,随着黄昏将至，搜寻加强了。,例句：,We get wiser as we get older.,我们随着年龄的增长变得更聪明。,依照,例句：,You should do as the law prescribes.,你应该按照法律的规定做。,例句：,Let it be as you desire.,就按照你的意思办吧。,prep.,如同,例句：,He does this job as a skilled labour.,他做起这个活如同个熟手。,例句：,We talked about such subjects as the weather.,我们谈论了诸如天气之类的话题。,当作，作为，以…的身份,例句：,He worked as a cashier in a bank.,他在一家银行干过出纳。,例句：,Don't regard me as a child.,别把我当成小孩看待。,二、词义辨析：,though,although,as,这些连词均可表示“虽然，尽管”之意。though和although在意义上几乎毫无区别，但文体上后者是较正式用词，语气比though强。此外，在习惯用法上这两个词仍有以下一些差异：gh可引出倒装语序的让步状语从句，although 则不能。gh可与even连用，although则不能；在as though结构中，只用though，不能用although。gh可以置于从句末，而although则不能。4.引出省略句时，通常用though。as引出让步状语从句只用于倒装语序结构中，语气强于上述两个连词。,三、词义辨析：,as,because,for,since,这些连词均含有“因为”之意。as从属连词，语意较because,since弱，着重在主句，所表示的原因或理由是“附带的”。because从属连词，语意强，着重直接的原因或理由，所引出的从句是全句的重心，用以回答why提出的问题。for并列连词，语气较弱，所引出的句子一般放在后面，表示附带说明的理由或推断理由。since语意比because弱，但比as强，一般用于表示“由于大家已知的事实”。,四、词义辨析：,when,while,as,这些连词均可表示“当……时”引出时间从句。when所引导的从句，其谓语动词既可是持续动词，也可是短暂动词；谓语动词动作发生的时间可以与主句谓语动词的动作是同时，或之前、之后。 while句中的谓语动词应为持续动词，不用短暂动词，谓语动作发生的时间通常与主句谓语动词动作发生时间是同时。as侧重指从句与主句的动作同时进行，谓语动词可以是持续性的，可以是短暂性动词。,一、相关短语：,act as,v.1.担当…；起…的作用,as a matter of fact,ad.1.事实上，其实,as an alternative,as an alternative to sth/doing sth 作为...的替换,as far as possible,尽可能…,as follows,adv.如下,as if by magic,adv.不可思议地,as it is,事实上,实际上,既然如此,像现在这样,as it were,可以说,可谓;似乎,as luck would have it,碰巧；幸运地,as such,ad.1.依其身份、资格或名义等；本身,as the crow flies,成直线地,走捷径地,as usual,像平常一样,照常,照例,一、参考例句：,as stiff as a poker,像火钳一样僵硬,Not as good as you.,没你感觉那么好。,Bee as independent as possible.,尽量自立。,He is as gruff as a bear.,他粗暴得像一只熊。,You're as tall as your father.,你和你父亲一样高。,She is as motionless as a statue.,她像一尊塑像一样纹丝不动。,He was as brave as a lion.,他勇猛如雄狮。,The water was as smooth as glass.,水平如镜。,Her skin was as smooth as silk.,她皮肤像丝绸一样光滑。,This material is as tough as leather.,这料子像皮革般坚韧。