When the uncertainty gets that big, you don't know which came first.

当不确定度到那么大的数值时，你不知道谁是第一个到达的。

麻省理工公开课 - 固态化学导论课程节选

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