1 “While” 作连词时，可以表示 “在…的时候，与…同时”注意，“while” 可以放在句首使用，也可以在句中使用，但后者的句子中不使用逗号，我来为大家讲解一下关于while单词讲解?跟着小编一起来看一看吧!
while单词讲解
1 “While” 作连词时，可以表示 “在…的时候，与…同时”。注意，“while” 可以放在句首使用，也可以在句中使用，但后者的句子中不使用逗号。
While we were sleeping, it snowed!
It snowed while we were sleeping!
While he was cooking, a parcel arrived.
A parcel arrived while he was cooking.
2 “While” 作连词时，可以表示 “但是，然而”。
One of the twins is shy, while the other is outgoing.
It took me an hour to solve this maths problem, while it took her only five minutes!
3 “While” 和 “whilst” 作连词时，可以表示 “虽然，尽管”，这是一个相对正式的用法，相当于 “although”。
While I know that sugar is bad for me, I can never say no to dessert!
While I understand that is your opinion, I'm afraid I do not agree.
4 “While” 作名词时，指 “一会儿，一段时间”。
It's been a while since we talked.
Are you looking for Jessica? I saw her a short while ago.
5 表达 “worth your while” 的意思是 “值得你下功夫去做，对你有帮助”。
Even though we only had a short while together, we hope this lesson was worth your while
Check out this article about how to keep a healthy diet – I promise it will be worth your while.
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