alternate between

• 时而 ... 时而 ...

alternate between的英文翻译是什么意思，词典释义与在线翻译：

参考翻译

• 时而…时而…

alternate between的用法和样例：

例句

1. Many of the common materials of the earth's crust may alternate between the living and the nonliving states.
   地球表面上有许多普通的状之都可能在有生命和无生命中交替。