It cools down because I'm doing work but the energy has to go somewhere, right?

因为膨胀过程中,对外做功？

麻省理工公开课 - 热力学与动力学课程节选

But if you don't pass AS, then you have to maybe repeat it or you can just maybe go to work.

但是如果你没有通过AS，那么你可能必须重读一次，或者你可以直接去工作。

英国的高考 - SpeakingMax英语口语达人