I said what hold the bonds together, what holds two atoms together is the attractive force we have between each electron and the other nucleus.

我说过什么将它们结合在一起，将两个原子结合在一起的是一个吸引力,其中一个原子中的电子与另一个原子中的原子核之间。

麻省理工公开课 - 化学原理课程节选

And there just happens to be a major here which is a kind of an intersection of all those things.

现在有一门专业能够将这3门专业结合在一起。

我的梦想是百万富翁 - SpeakingMax英语口语达人

We see that we get a negative energy by attaching the chloride to the sodium.

我们得到了负能量,通过将氯和钠结合在一起。

麻省理工公开课 - 固态化学导论课程节选