Any time two orbitals come straight on together in that internuclear axis, you're going to have a sigma bond.

任何时候两个轨道,在核间轴上直接到一起，你就能得到sigma键。

麻省理工公开课 - 化学原理课程节选

This time you're a doctor in an emergency room and six patients come to you.

这次你是一名急诊室的医生,有天送来了六个病人。

耶鲁公开课 - 公正课程节选

So many of the people we'll talk about, whether it's Bob Fredrickson who we'll talk about in a few minutes, David Cooper whether it's David Cooper we'll talk about, Martin Seligman whether it's Martin Seligman of course, will come there and present to you and you'll be spending quality time in small groups with them.

我们将会谈到的很多人，比如Bob，Fredrickson，过一会我们会谈到他，或者以后会谈到的，当然还有，都会去那里给大家讲座,你将和他们亲密相处。

哈佛公开课 - 幸福课课程节选