So do you think noble gases would have a high positive electron affinity, a low positive, or negative electron affinity?

那么，你认为稀有气体的电子亲和能,应该是一个高的正值，一个低的正值，还是一个负值？

麻省理工公开课 - 化学原理课程节选

I left out the noble gases here because they do something a little bit special, and actually, I'm going to give you one last clicker question today to see if you can tell me what you think noble gases do.

我并没有把稀有气体算在里面,因为它们的电子亲和能有点特别，实际上，我将会把这作为今天的,最后一个选择题，来请大家告诉我,你们觉得稀有气体电子亲和能应该是怎样的。

麻省理工公开课 - 化学原理课程节选

This is ionic radii with a noble gas configuration.

这是稀有气体的离子半径。

麻省理工公开课 - 固态化学导论课程节选

There's a kind of aspect of value for many of us where we feel that something's especially valuable if it won't endure, if it's fragile, or if it's rare.

对我们许多人来说，有一种价值的方面在于,如果某事物不是持续的，如果是易碎的,或者是稀有的，我们就觉得它特别有价值。

耶鲁公开课 - 死亡课程节选

There has never been a regime in history that was so single-mindedly devoted to the end of producing that rarest and most difficult species of humanity called simply philosopher.

历史上从没有一个政体,会如此专一地致力于,催生最稀有,最难得的人类物种,即哲学家。

耶鲁公开课 - 政治哲学导论课程节选

3 It is 1.45. Ten electrons again, 1.33.

稀有气体的离子半径为1。45，而10电子的为1。

麻省理工公开课 - 固态化学导论课程节选

It's perfectly fine, but they envy us for our finite lifespans, because what we've got and they don't have is something that's for each individual rare-- something that's not lasting, something that's precious in that way.

不朽很好，但他们羡慕我们的有限寿命，因为我们有而他们没有的是,对每个人来说稀有的东西-,不会永远持久的东西，从那个层面讲珍贵的东西。

耶鲁公开课 - 死亡课程节选