"I think he ought to do what General Petraeus did and that is decide on exactly the number he needs and we debate it and the president makes the ultimate decision,".

VOA: standard.2009.08.23

The second day, I did this and that is the description of what I did on the second day.

第二天我是这么走的,这就是对我第二天行程的描述

耶鲁公开课 - 基础物理课程节选

All I have to do then is correct that for the number of days in a year, so that's what I did.

接下来我只需要将它换算成年,我就是这么做的

耶鲁公开课 - 金融市场课程节选

That is what I did. Wave mechanics.

这就是我做的，波动力学。

麻省理工公开课 - 固态化学导论课程节选

That is a description of what I did on the first day.

这就是对我第一天行程的描述

耶鲁公开课 - 基础物理课程节选

That is, more or less, what did happen in the Roman world and I don't see anything that's suggested it couldn't happen in the Greek world at the time we're talking about.

那就是,或多或少的,我看不到任何事物可以表明,在罗马社会发生的事情不会,在我们所讨论的这个时期的希腊发生

耶鲁公开课 - 古希腊历史简介课程节选

I think you can tell by analogy with what I did in one dimension that the position of that object at any time t is going to be the initial position plus velocity times t plus one half a t square.

你们可以类比一下我在一维情况下的结论,这个物体在任意时刻 t 的位移,等于初始位移,加上 v ? t + 1/2 ? a ? t^2

耶鲁公开课 - 基础物理课程节选