So now, if you make the volume bigger, those attractions die out.

如果你把体积扩大，这种相互作用就会减弱。

麻省理工公开课 - 热力学与动力学课程节选

OK, now we actually would like to simplify this or to write this in terms of not the volume change, v2/v1 but the pressure change. So, we have V2 over V1.

接下来我们将要把问题简化,不用体积变化来描述，而改作用压强变化来描述，现在我们有。

麻省理工公开课 - 热力学与动力学课程节选