as [æz,əz] 有好几种词性,很多种用法.下面是一一解释和例句.希望帮到楼主.
adv.同样地,一样地
She is as tall as her mother.
她和她母亲一样高.
prep.(表示时间)当还是…的时候
As a schoolboy,he showed every sign of genius.
当他还是个小学生的时候,就显示出了天资聪慧.
prep.(表示方式)以…的身份,以…资格,作为; 以…形式,以作为; 以…角色,扮演…角色; 如同,像
(表示结果)成为,看作,看成
We had better treat it as a joke.
我们最好把它当作玩笑.
prep.(表示目的)为了,以…为目的
The dykes were built as a protection against the sea.
建筑堤坝是为了防止海水泛滥.
prep.(表示举例)例如,诸如…之类的
We talked about such subjects as the weather.
我们谈论了诸如天气之类的话题.
conj.在…期间,当…时候
I was coming in as he was going out.
我进来的时候,他正出去.
conj.尽管,即使,虽然
Intelligent as you are,I suspect you will fail.
尽管你聪明,我猜想你会失败.
conj.像…一样,由于,因为
As you weren't there I left a message.
因为你不在那里,我留了个信儿.