You're taking the air inside of the pump and you're compressing it. You're doing it so fast that there's not enough time for heat to come out of the gas that's inside the pump towards the walls of the pump.

你把空气吸进气筒里并且压缩它,你的动作很快以至于,没有足够的时间让热量,从气筒里面跑出来,传递到气筒壁上。

麻省理工公开课 - 热力学与动力学课程节选

So nowadays they just pump you full of some drug to get you really happy and so you're really stoned out of your head, you're and say this isn't so bad.

所以现在他们让你服用大把的药物,让你飘飘欲仙,而你也因为吸食了毒品而变得神志不清，所以你会说，这方法还挺管用的。

耶鲁公开课 - 心理学导论课程节选