And because of the way those antibonding orbitals are stacked, the two electrons go one each into those antibonding.

因为这样,反键轨道被堆积了，这两个电子都填到各自的反键轨道。

麻省理工公开课 - 固态化学导论课程节选

If you think of these kind of like trays in a cafeteria, right, that are kind of upside down, and by default, they're stacked from the floor on up and up and up.

如果你想象这种自助餐厅的托盘，对的，那有点混乱的，默认的，它们从地板开始往上堆起来。

哈佛公开课 - 计算机科学课程节选