The evaporation process creates a drop in temperature of several degrees.

VOA: special.2009.02.09

So I've got, this piston here is compressed, and I slowly, slowly increase the volume, drop the temperature.

这样，这个活塞就被压缩了，然后我再很慢很慢地增加它的体积，降低温度。

麻省理工公开课 - 热力学与动力学课程节选

So I've got, this piston here is compressed, and I slowly, slowly increase the volume, drop the temperature.

这样，这个活塞就被压缩了，然后我再很慢很慢地增加它的体积，降低温度。

麻省理工公开课 - 热力学与动力学课程节选