PROFESSOR: And this is a question based on where we left off on Wednesday -- we were talking about Coulomb's force law to describe the interaction between two particles and good job, most of you got this correct.

教授：这是我们上次最后,留下的问题-我们讲到,描述粒子间相互作用的,库伦定律，很好,大部分人都做对了。

麻省理工公开课 - 化学原理课程节选

I would say that the crux, the kernel of the critique, a lot of things you can argue about-- The kernel of the critique lies in this assertion which derives its force from an interpretation of pictures on pottery.

其症结所在,批判思想的核心,很多事情都可以争论,核心在于一种论断,该论断是从彩釉的画面中,得到启示的

耶鲁公开课 - 古希腊历史简介课程节选