while的用法
while有当 ... 的时候;虽然;尽管;然而等意思。
while的用法：
while的用法1：while用作连词时,表示“在…(过程)中,在…期间”。常用来引导时间状语从句,当主句的主语和while所引导的从句的主语一致时, while从句中的主语、谓语往往可以省去。
while的用法2：while还可引导让步状语从句,意思是“虽然,尽管”,含有对比意味。
while的用法3：while表示对比关系时,意思是“而,然而”。
while的用法4：while还可用作及物动词,意思是“消磨时间”,常同副词away搭配。
while的常用短语：
all the while
一直,始终from begin to end
He teaches English in the school all the while. 他一直在这所学校里教英语。
once in a while
时不时,偶尔,间或occasionally
He went to see them once in a while. 他偶尔去探望他们。
while的用法例句：
1. Mommy, you don't need to stay while we talk.
妈妈,我们谈话时你不必陪着.
2. It took her a while to get acclimatized to her new surroundings.
她花了一段时间才适应了新的环境。
3. Jim Coulters will mind the store while I'm away.
我不在的时候吉姆·库尔特斯会照看店铺的。
4. I'll make the tea and you pop off for a while.
我来备茶，你去歇一会儿吧。
5. Will you lend me your jacket for a little while?
你能把上衣借给我穿一会儿吗?
6. Argentina came to a virtual standstill while the game was being played.
在比赛进行的时候，阿根廷全国几乎陷入了停顿状态。
7. Sailors hung about while they waited to ship out.
水手们在等待离港的时候四处闲逛。
8. We sat in Lily's sunroom while I sketched in the situation.
我们坐在莉莉的日光浴室里，我把目前形势的细节情况又补充说明了一下。
9. While he was gone she had tea with the Colonel.
他不在时她跟上校一起喝了茶。
10. He was lost in the con-templation of the landscape for a while.
有一会儿，他怔怔地注视着周围的景物。
11. He rented out his house while he worked abroad.
他在国外工作期间把自己的房子租了出去。
12. An airliner came close to disaster while approaching Heathrow Airport.
一架大型客机在飞近希思罗机场时差点儿发生空难。
13. While this conver-sation was going on, I was listening with earnest attention.
这场对话进行的时候，我聚精会神地听着。
14. He was caught out while lapping a slower rider.
他在套圈超越一位落后的车手时出了错。
15. Barry held the bowls while Liz ladled soup into them.
巴里负责端着碗，由利兹向碗里盛汤。
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