If you want to have power in this society you must master the three literacies this is a class about power,your power."

VOA: special.2009.04.27

And in 2005, we had a class that didn't trust each other at all I guess, because the average was twenty-three.

在2005年,我想有这个班的同学并不互相信任,因为平均值是23

耶鲁公开课 - 博弈论课程节选

There's a whole vast scholarship on this and two or three of the teaching assistants in this class are real experts on it.

荣誉的学问是很深的,这门课有两三位助教,对这方面很有研究

耶鲁公开课 - 美国内战与重建课程节选

Around three hundred fifty teenage mothers graduate from Covenant House's Mommy and Me class every year.

VOA: special.2010.05.13

So imagine there were three people in the class, and imagine that they chose 25,5, and 60.

假如有三个人,他们分别选了25,5,60

耶鲁公开课 - 博弈论课程节选

Recently, American experts held a three-week training class in Ukraine about pain control.

VOA: special.2009.02.10

And I am not going to take the time to solve it because I think that is a waste of class time, but those are the three unknowns.

但我并不打算把解这几个方程,我觉得那会是浪费课堂时间，但那是三个未知式。

麻省理工公开课 - 固态化学导论课程节选

Actually three of our graduates or current students are teaching fellows in this class.

我们有三名毕业生或在读生,是这门课的助教。

哈佛公开课 - 幸福课课程节选

The clicker does not have any identifying information on it, so you're one of you know, three-hundred people in the class or so, and your response will show up but we won't know whose-- who it came from so there's no intent to use it in any kind of way of identifying people.

表决器上没有任何的标识,所以你们要知道,课堂上大约有三百人,你们回答了我的问题,我却不知道,是谁回答的,所以绝对不会存在暴露身份的问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选