During this part, when you're doing a quarter of a circle, this is supposed to be a quarter of a circle.

在这部分,当你沿着四分之一圆运动,这就是个一个圆的四分之一

耶鲁公开课 - 基础物理课程节选

So, I need to tell you how you're doing the expansion, because that's going to tell you how much energy you're wasting during that expansion.

所以我需要告诉你,膨胀是如何进行的，因为这会告诉你,在这次膨胀中,浪费了多少能量。

麻省理工公开课 - 热力学与动力学课程节选

Because there will not be time to look at that code for the first time during the quiz, and figure out what it's doing.

因为在考试中,是没有时间去第一次看代码，并弄懂它的意思的。

麻省理工公开课 - 计算机科学及编程导论课程节选