we know that h is always terminal, right after the molecule that it's attached to.

我们知道氢原子永远都在末端，放到和它成键的分子的后面。

麻省理工公开课 - 化学原理课程节选

So, if we think about the bonds that are forming -- oh I see our TAs are here, so you can start handing them out, because we have two minutes left to go.

如果我们考虑所成的键-,我看到助教们都来了，你们可以开始发讲义了，我们还有两分钟就下课了。

麻省理工公开课 - 化学原理课程节选

And, moreover, they are at right angles to one another that we've learned.

更多的是，根据我们所学的知识,它们都是和另外一个互成直角。

麻省理工公开课 - 固态化学导论课程节选

This kind of ritual honor all the time I mean after all we have a president who just likes to speak like a Texan, he doesn't do all that honor stuff.

这种走过场的形式到处都是,毕竟我们的总统在讲话的时候,很喜欢装成德州佬的样子,他不喜欢做面子工程

耶鲁公开课 - 美国内战与重建课程节选

And then this means we'll have a total of sigma1s two electrons in our hydrogen molecule, so we can fill both of those into the sigma 1 s orbital, the bonding orbital. We don't have to put anything into the anti-bonding orbital, so that's great.

我们可以把这两个,都填入，轨道里去，成键轨道,我们不需要把什么放到反键轨道里去，这很好。

麻省理工公开课 - 化学原理课程节选

So far we've exclusively been using Lewis structures any time we've tried to describe bonding within molecules.

目前为止任何时候我们尝试要,描述分子内的成键,我们都是利用Lewis结构。

麻省理工公开课 - 化学原理课程节选