分析while的用法这个句子I wonder how much you charge for your services
5个回答

我再补充一下吧.

while有几个用法,给你总结一下.

1 名词.一会儿,时间

例如:for a while 一会

once in a while 有时;偶而

2 连词(conj) 当.的时候

While he was eating,I asked him to lend me $2.

当他正在吃饭时,我请他借给我二英镑.

我看书时,她在唱歌.

I met her while I was at school.

3 连词 虽然,但是

这个意思就是楼主例句里的那个while的用法.

The first two are free while the third costs 30 dollars.

前面2个免费,但是第三个是30美元.

While I understand what you say,I can't agree with you.

虽然我理解你的意思,但我还是不同意.

4 动词(这个很不常用) 消磨;度过

They while away many afternoons on the beach.

他们在海滩消磨了许多个下午.

5 副词 while(前面与表示时间的词连用)在…时候

the summer while I was abroad

我出国的那个夏天