So, if we want to think about what the first ionization energy is of boron, what you want to do is write out the electron configuration, because then you can think about where it is that the electron's coming out of.

如果我们要考虑,硼的第一电离能，你首先要做的是写出它的电子排布，因为在这之后,你才能知道拿走的是哪里的电子。

麻省理工公开课 - 化学原理课程节选

So you have to think, first of all, what you want the best for yourself, and in food , in other things, too.

你得考虑，首先，你自己最想要的是什么，在食物和其他方面。

问上门厨师 - SpeakingMax英语口语达人

First, I want to ask you though, what do you think of this so far?

首先，我要问你们，你们现在的想法是怎样的？

耶鲁公开课 - 1945年后的美国小说课程节选

When we first introduced the Schrodinger equation, what I told you was think of psi as being some representation of what an electron is.

当我们第一次介绍，薛定谔方程的时候，我说你们，可以,把psi看做是，电子位置的代表。

麻省理工公开课 - 化学原理课程节选