So, these are poor electron donors but also a good electron acceptors, and we call these non-metals.

所以这些元素都不易失电子,但是它们是很好的电子受体，我们把这些叫做非金属。

麻省理工公开课 - 固态化学导论课程节选

So, I've got ion pair formation, and I've got a huge decrease in energy because a donor is able to express that urge, an acceptor is able to express that urge.

所以我能得到形成的电子对，同时能量也大幅下降,因为失电子方要表达它的迫切，得电子方也要表达它的迫切。

麻省理工公开课 - 固态化学导论课程节选