And we also have starting this Sunday, lead by one of the course's teaching fellows, what we call "walkthroughs," so this is kind of programming lexicon.

我们这周天开始“代码走查“,这个会由研究生助教带领大家，什么叫做“走查“，然后这是一种,编程词库。

哈佛公开课 - 计算机科学课程节选

There are three different ones on this Sunday, this Monday, this Tuesday.

我们有三门不同的课程，分别在这周天，周一和周二开讲。

哈佛公开课 - 计算机科学课程节选