All right, so gamma, the gas is cooling so V2 is going to be less than it what would be if the temperature kept constant.

气体温度下降了,于是V2会比等温过程,降到相同压强时的体积要小。

麻省理工公开课 - 热力学与动力学课程节选

Let's say we start from some V1 and p1 here, so high pressure, small volume and we end up with a high volume low pressure, under constant temperature condition.

例如我们要从压强比较高，体积比较小V1，p1出发,到达低压强，大体积的末态，过程中温度不变。

麻省理工公开课 - 热力学与动力学课程节选