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

When you are done you have three electron pairs in bonding orbitals.

当你完成的时候,成键轨道上共有三对电子。

麻省理工公开课 - 固态化学导论课程节选