while
「while」的意思
conj. 当……的时候；与……同时；而，然而（表示对比）；尽管，虽然；直到……为止; n. 一段时...
n.一会儿,时间 conj.当...的时候,虽然vt.消磨 prep.<古><方>直到
「while」的用法
while当...时；只要 - 用于循环，当条件为真时重复执行代码块。
「while」的例句
While it is raining, I will stay inside.
当下雨时，我将待在室内。
She will continue to study while her brother is away.
她将在哥哥不在时继续学习。
The machine will keep running while the power is on.
当电源接通时，机器将继续运行。
He will work while she is sleeping.
她睡觉时，他将工作。
The children will play while their parents are at work.
当父母在工作时，孩子们将玩耍。
She will read a book while waiting for the bus.
她在等公交车时将读书。
The lights will stay on while we are at home.
当我们在家时，灯光将保持打开。
He will clean the house while she is out shopping.
她去购物时，他将打扫房子。
She will watch TV while he is cooking dinner.
他在做饭时，她将看电视。
The dog will bark while someone is outside.
有人在外面时，狗会汪汪叫。