So in order to fill them, he would have to have eight electrons or an octet around the cubes.

因此为了填满它们，他必须放上八个电子或者说一个“八隅体“,在立方体周围。

麻省理工公开课 - 化学原理课程节选

In other words, for an electron donor to give up its electron, the electron donor needs to have an electron acceptor.

换句话说，如果一个电子给体要失去电子，它就必须找到一个电子受体。

麻省理工公开课 - 固态化学导论课程节选