You kind of know the world we're getting into. It is not a history lesson.

VOA: standard.2010.04.08

And as I'm going to do many times in 3.091, I'm going to start a unit like this with a history lesson.

在3。091这门课上我会重复很多次，我会像现在一样以一个历史的故事,来开始新的一单元。

麻省理工公开课 - 固态化学导论课程节选

History lesson now. Years and years ago,

历史课开始了。很久很久以前，

政府和皇室的作用 - SpeakingMax英语口语达人

The paintings hanging in these large rooms give a lesson in the history of art over hundreds of years.

VOA: special.2010.08.04

The museum's exhibits provide a lesson in modern European and American history.

VOA: special.2009.01.02