while的用法?
2个回答

1. while当……时候,在……期间,引导时间状语从句,从句一般是状态

While he was in the house, I was watching TV in my room.

While he was speaking, he went like this. 当他讲话时,他像这样做手势.

2. while并列连词,表示对照,译成“而”

He is standing while I am sitting.

3. while=though,引导让步状语从句:

While the news, so far, has been good,there may be days ahead when it is bad.

虽然到目前为止都是好消息,但是可能过几天就有坏消息了.

4. a while = a time

After a while, he came back.