When I first taught this class that was back in 2002, I taught it at a seminar and had eight students.

我第一次开设这门课程，是在2002年，是以讨论会的形式，只有8名学生。

哈佛公开课 - 幸福课课程节选

So, at the end of the class on Friday, we saw that list of eight steps that you always need to go through when you draw a Lewis structure.

在上周五的课的最后，我们看到了一张,包括八个步骤的流程表。

麻省理工公开课 - 化学原理课程节选

when I talked on the first day of class about my own boyhood experience when a Coca-Cola was an eight ounce glass or a Pepsi was an eight ounce bottle rather, that was a serving.

上课第一天,我讲了我少年时代的经历,那时可口可乐装在八盎司的玻璃瓶里,百事可乐也一样,那是一餐份量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选