when和while的不同
问题描述：
when和while的不同
不用说得太复杂
（do 还是doing ）when(do 还是doing )用于时间段还是时间点
(do 还是doing)while （ do 还是doing ）用于时间段还是时间点
答
When is the time
When My eyes open,I get up.
While is when somebody is doing something you do another thing.
While he is gone, I get to go swimming