This region in here contained the bonding domains.

这个这儿的区域指的的了键合区域。

麻省理工公开课 - 固态化学导论课程节选

We have two bonding domains.

两个键合区域。

麻省理工公开课 - 固态化学导论课程节选

They are all bound.

电子都被键合在一起。

麻省理工公开课 - 固态化学导论课程节选

s plus 1s gives you this oval ellipsoid which is the bonding, and here are the antibonding, and then these are the energy levels that I have been drawing for you.

s和1s上两个电子组成的键合电子成椭圆形,这是成键，这是反键电子，这些是刚刚已经画过的能级,我也给你们画了。

麻省理工公开课 - 固态化学导论课程节选