We've added an extra one at 11:00, an extra one at 2:00, and we've added one at 1:00.

我们在11点钟加了课，还有2点和1点。

麻省理工公开课 - 固态化学导论课程节选

I think our add date this semester was beginning of October,

我想我们这个学期的加课日期是十月初，

对于返校日 - SpeakingMax英语口语达人

And, one thing I'd like to add to it, and that is, and I told this to my recitation sections that when you do these quizzes, in spite of the fact that it might be trivial in some cases, make sure you carry the units through.

而我要在这基础上再加一条，我在我的背诵课上也讲过,当你考试时，尽管单位不重要，但我希望你能注意它们。

麻省理工公开课 - 固态化学导论课程节选

so we have a month to decide to add classes.

所以我们有一个月来决定加课。

对于返校日 - SpeakingMax英语口语达人

Yeah. We can add classes all the way up until,

可以。我们可以加课一直到，

对于返校日 - SpeakingMax英语口语达人