This quantity is exactly zero for an ideal gas and we'll discover why eventually it has to do with what we mean by an ideal gas it turns out.

对理想气体它是零,这点我们接下来会知道是,为什么，这与为什么我们叫它理想气体有关。

麻省理工公开课 - 热力学与动力学课程节选

It's what it's called when an atom takes both electrons in the bond.

这就是它为什么叫这个名字,当一个原子从成键中得到两个电子。

麻省理工公开课 - 固态化学导论课程节选

Why do they call it the Kate Adams?"

为什么它叫Kate，Adams？“

耶鲁公开课 - 1945年后的美国小说课程节选

It's reasonable because it's meant TMP for temporary purposes just to call it temp or T-M-P for short, X and I can define temp as -- why don't I set it as equal to X, initially, because now that I've stored X in a separate chunk of memory, I can now change its value and then I can say Y gets, not X, but temp, and so now I've actually swapped these values.

这是合理的，因为它是为,暂时的目的，只要叫它Temp或简称它为，我可以定义temp为--为什么我不把它设定为等于，最初的，因为现在我把X存储在一个单独的内存块中,我现在可以改变它的值，然后我说Y等于，不是X，而是temp，所以现在我交换这些值。

哈佛公开课 - 计算机科学课程节选

Why do we call it the Periodic Table?

为什么我们叫它周期表？

麻省理工公开课 - 固态化学导论课程节选