So you'll just have to survive these two very historical survey lectures, because it's material that you need to know.

所以你们得熬过两堂历史回顾课，因为你们需要了解这些内容。

耶鲁公开课 - 新约课程节选

It's really easy to go back to my room between classes and get my books,

两堂课之间回寝室拿书也十分方便。

成功的医学研究 - SpeakingMax英语口语达人

Those are questions that are going to frame the two lectures that I give on this novel.

由这两个问题,我把这本书分两堂课来讲。

耶鲁公开课 - 1945年后的美国小说课程节选

That's not till Friday, and last week's two lectures are both available online at cs50.net.

那些课程也是直到星期五才出来，上周的两堂课,都可以在cs50，net找到。

哈佛公开课 - 计算机科学课程节选