But shielding is a good way to think about it, and actually, that's what we'll use in this class to sort of visualize what's happening when we have many electrons in an atom and they're shielding each other.

实际上，它也是我们将在课堂上用于,分类形象化的当我们有,很多电子在原子中,它们互相屏蔽时会发生些什么,屏蔽是被使用的名词。

麻省理工公开课 - 化学原理课程节选

This has to do a lot with politics, so some of the political issues we'll talk about in the class will be agriculture subsidies.

必须在政策方面做很多工作,在课堂上我们会讲到,一些关于农业补贴的政策

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This is a terribly stressful experiment to do to people and, as I say now about a lot of studies that I describe in this class, it would not today be done.

这些在人身上进行的实验非常有压力,正如我说过，有很多,我在课堂上讲过的实验，在今天都是不能进行的。

耶鲁公开课 - 心理学导论课程节选