现在你知道为什么我从不错过一节课了吧。

Now you know why I never miss a lecture.

youdao

他们知道我会来上课，因为我答应过我自己，在大学期间不错过一节课。

They know I will always come to class because I have promised myself that I will not miss a lesson during college.

youdao

如果没有人叫醒我，我会错过第一节课的。

No one to wake me up, I might be late for the first class.

youdao

So sometimes, if you miss a class, you can just kind of check in earlier years, like lectures,

所以有时候，如果你错过了一节课，你可以看看前几年的讲座，

开放式的课程？ - SpeakingMax英语口语达人