I can't go down to the registrar and say, you know, I'd really like to do it at another time.

我不能去和登记的人说，我想要换个时间。

麻省理工公开课 - 固态化学导论课程节选

You divide and you find it's 9 and you say, "Okay, I know what to do with Newton's laws."

除一下,会得到 9,然后你说,"好了,我会用牛顿定律了"

耶鲁公开课 - 基础物理课程节选

Thing I've got a little procedure that could do that, but you know the simplest thing I could do is to say well, gee, wait a minute, why don't I just check to see if these are the same thing?

这两个点是同一个点么？,我已经写了一小块代码，可以提供这个功能,但是你知道的我可以做的，最简单的事情就是说好，嗯？,等等，我为什么不直接去看看,这两个东西相等不相等呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

But if you say, well, I don't know how to do this, I am not going to bother, don't grade the paper.

但是如果你说，好吧，我不知道怎么做这个，我想麻烦，别给试卷评分。

麻省理工公开课 - 固态化学导论课程节选

What I want to do today is three things: I'm going to start-- actually, I shouldn't say start, I'm going to do a little bit of administrivia, the kinds of things you need to know about how we're going to run the course.

今天我要做三件事儿：,我要开始了--其实不应该说开始，我准备做一点儿文案工作，也就是关于怎么上课的,一些你们必须知道的东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Then, you've got to say, "What do I have to know about this object at the initial time?

然后,也许你会问,我需要知道物体初始状态的哪些信息呢

耶鲁公开课 - 基础物理课程节选

So you can actually say, how do I know which methods are associated with the class? For that, we can call dir. And what it does, is it gives me back a listing of all the things, dir all the methods, that are associated with it.

我们开始建立类了，我们得到了这些方法,因此实际上你可以说，我怎么知道，哪些方法是关联与这些类的？,为了解决这个问题，我们可以调用，这个方法的作用。

麻省理工公开课 - 计算机科学及编程导论课程节选

I wanted to show you that, so, first thing I'm going to do is say, all right, I know I'm going to need square root in here, so I'm going to, in fact, import math.

我们可以开始完成这个方法了，我想让你们看到完成这个方法的过程，第一件事情就是,我们在这儿需要一个求平方根的方法，实际上我将引入math包。

麻省理工公开课 - 计算机科学及编程导论课程节选