I'm Chinese, and I'm in Class One.

我是中国人，我在一班。

youdao

He's English and he's in Class One.

他是英国人，他在一班。

youdao

Is Jack in Class One or Class Two?

杰克是在1班还是在2班呢？

youdao

So when you talk to class four, he says,then it is difficult to teach the little kids in class one.

VOA: standard.2010.02.25

So this is a classic game, perhaps it's one of the most famous games, and therefore worth studying in the class.

这是一个经典的博弈案例,可能是最著名的博弈案例之一,它很值得在我们课堂上研究一下

耶鲁公开课 - 博弈论课程节选

Okay, if anybody has questions about this one in particular you can ask Christina after class or at a different time.

如果大家有问题想单独问她,可以在下课后或其他时间问她

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

For the record, I suspect I have one foot in the obsolete class, and one foot in the lifestyle designer class.

FORBES: Entrepreneurs are the New Labor: Part III

When I went to grade school in a working class neighborhood in the 1950s, there was one kid in our class of 40 whose parents were divorced.

FORBES: The Real Marriage Crisis Is Economics, Not Gay Marriage

In the academic year after launching its first version last November, Lore was used in at least one class in 600 universities and colleges.

ECONOMIST: Disruptive innovation in the lecture theatre