So in oxygen we have a similar situation where, in fact, we are not going to promote any of the electrons because we have two lone pair electrons no matter what we do.

在氧中，情况很类似，我们不能激发电子,因为无论如何我们都有两个孤对电子。

麻省理工公开课 - 化学原理课程节选

If the person is the pair and the pair no longer exists, the person no longer exists.

如果人是这一对儿,而这对儿已经不复存在,那这人也就不存在了

耶鲁公开课 - 死亡课程节选

Should I put an extra pair of electrons here, does anyone think? No.

我是不是应该在这里再放一对电子呢，有人认为应该吗？不应该。

麻省理工公开课 - 化学原理课程节选

The disqualifications mean the world's No. 1 pair, Wang Xiaoli and Yu Yang of China, are out of the competition.

CNN: Olympic badminton players disqualified for trying to lose

The pair are no longer employed by Manchester Mental Health and Social Care Trust.

BBC: Edale House nurses struck off over patient death

On his blog, co-founder Luke Bozier said the pair "no longer have anything resembling a working relationship".

BBC: Louise Mensch