So I said that we want to be talking about valence electrons here, so that means if we're talking about, for example, the octet rule for an f f molecule where we have two fluorine atoms, we need to write the valence electrons as dots around them.

我说过我们在这要讨论的是价电子，这就意味着，如果我们要讨论，比如，关于两个氟原子组成的分子的八隅体规则,我们首先需要把价电子画成围绕在它们周围的点。

麻省理工公开课 - 化学原理课程节选

If we're going to write programs, we need at least two things: we need some representation for fundamental data.

如果我们要去写程序，我们需要至少两件事情：,我们需要一些能代表基础数据的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

The first thing we need to do is write the electron configuration for the atom itself, and then we need to take an electron away.

首先我们要做的是,写出原子的电子排布，然后，我们再拿走一个电子。

麻省理工公开课 - 化学原理课程节选

And I want to suggest that what we've done is, we've outlined a lot of the basic elements of programming. A lot of the basic elements we're going to need to write code.

我想提醒大家我们学习的是，我们学习了很多关于,编程的基础的东西,一些我们编写代码需要的基础的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Meaning, we're going to try to help you with how to develop good programming style, but you need to write in a way in which it is going to be easy for you to spot the places that cause those semantic bugs to occur.

这意味着我们会帮助你,形成良好的编程风格，但是你需要去以一种,容易发现,程序中,容易发生语义bug的地方的方式去写代码。

麻省理工公开课 - 计算机科学及编程导论课程节选

we need to talk about how to write things in Python.

我们需要讨论下在Python中。

麻省理工公开课 - 计算机科学及编程导论课程节选