These are not actually from last spring, but they're typical enough that I was too lazy to make some new quotes.

这些成绩不是来自上个学期，但是他们足够典型了,以至于我都懒得举新的例证。

耶鲁公开课 - 死亡课程节选

I think you should take the lab sometime, but I don't know how many semesters that you have to take.

我觉得你们应该是不是地去做几次实验,我不太清楚你们要上多少个学期的课

耶鲁公开课 - 基础物理课程节选