So it's the affinity it has for electrons, it's how much it likes to get an electron.

因此，它表示的是对电子的亲和力，即有多么希望得到一个电子。

麻省理工公开课 - 化学原理课程节选

Cl We know that because the sulfur and the chlorine in the oxygen have different average valence electron energies, they'll have different electron affinities.

我们都知道因为S和,在氧气中,具有不同的平均价电子能，所以他们的电子亲和力也不同。

麻省理工公开课 - 固态化学导论课程节选