I saw him while he was crossing the street 与 He was crossing the _英语解答

I saw him while he was crossing the street 与 He was crossing the street when i saw him 有什么区别

人气：414 ℃　时间：2020-01-29 19:57:27

解答

意思完全一样：他正过马路时我看见了他.解释下谢谢第一句while用法：当...时候第二句when用法，可以为：正当...的时候....