明天我们上大课。

We'll have an enlarged class tomorrow.

《新英汉大辞典》

和平与发展是当前世界的两大课题。

Peace and development are two major issues in the world today.

youdao

你喜欢小课堂的讨论还是大课堂的讲座？

Do you prefer small class discussions or large class lectures?

youdao

And I hope in the future 0 if we get to 2010, 2020 that this is the preferred way to teach the large courses in MIT

我希望以后,如果到2010年或2020年0,这会成为在麻省理工,教授大课所推崇的方式

麻省理工公开课 - 媒体、教育、市场课程节选

There's obvious question which you can extend us to other large freshmen courses.

当然这其中也有一些问题,让我们思考能否将其他大课纳入此体系。

麻省理工公开课 - 媒体、教育、市场课程节选

Just because this is a large lecture course doesn't mean you can skip the lectures.

虽然这是一节大课,但不是说就能随意翘课。

耶鲁公开课 - 新约课程节选