so you can see that there is going to be two sets in antibonding, three sets in bonding for a net of one, giving us the single bond.

因此你能看到,反键轨道上有两组，三组成键，得到一组净成键，所以成的是单键。

麻省理工公开课 - 固态化学导论课程节选

So again, we can fill in our atomic orbitals here, there's going to be two electrons in each of our atomic orbitals.

同样的，我们可以填充原子轨道，每个原子轨道上有两个电子。

麻省理工公开课 - 化学原理课程节选

It can't be true because there's two ways in which the brain is better than a computer.

这个观点之所以不对,是因为大脑在两个方面上,要优于计算机

耶鲁公开课 - 心理学导论课程节选