But, can you see that as you get really close together the negative electronic cloud surrounding the two ions start to sense one another.

然后当你真的让它们,离得很近时,这两个离子周围的负电子云能感应到对方。

麻省理工公开课 - 固态化学导论课程节选

But, what happens when these two start to get really close together?

但是，当这两个电荷,开始离得很近时会发生什么呢？

麻省理工公开课 - 固态化学导论课程节选