每个錄影或是錄音都需要其上贴注标签课程名称、课别、种類、日期及内容。

Be sure to label each video or audio tape with your program name, class name, date, and the content on each tape.

youdao

每年都有成千上万的学生上生物课，看着化学溶液浸泡过的青蛙别挂在面前，想知道是否有更好的方式来学习解剖学。

Each year thousands of students sit in biology class, a chemical-soaked frog pinned before them, wondering if there is a better way to learn about anatomy.

youdao

Perhaps a mistake with some of the answers we got but one of our choice favorites was this one and it's actually fairly worth drawing one's attention to and that's this: I planned on taking the class as a freshman then convinced myself otherwise because I couldn't fit it into my workload.

得到的回答或许有的是错的,我们最喜欢的一个回答是这样的,值得我们注意一下：,我本打算大一就来上这节课,但却说服自己还是别去上了,因为我工作负荷满满的。

哈佛公开课 - 计算机科学课程节选