So, we take our two equilibrium states, and you just put an equal sign between them, and the equal sign means go from one to the other.

我们写出两个平衡态，然后你只需要在它们之间放一个等号，等号表示,从一个过渡到另一个。

麻省理工公开课 - 热力学与动力学课程节选

We can go back and forth between these two equilibrium states They're connected.

我们可以,在这两个平衡态间往返,它们是相互联系的。

麻省理工公开课 - 热力学与动力学课程节选

But if the system is in equilibrium, none of those states has lower enthalpy.

但是如果系统处于平衡态，所有其他的态都不可能具有更低的自由焓。

麻省理工公开课 - 热力学与动力学课程节选

Of course there are lots of states that would have maybe local pockets of one substance in excess and another substance in excess somewhere else In other words, there would be lots of states nearby to the equilibrium state.

当然，我们有很多的态,这些态中，某些位置被一种气体完全占据,另外一些位置被另一种气体完全占据,换句话说,在平衡态附近有很多的态。

麻省理工公开课 - 热力学与动力学课程节选

So the point is, once you're at equilibrium none of the other states they're accessible, the system could rearrange itself to form them, but there is no accessible state that has higher entropy than the equilibrium state.

所以要点在于，如果你处于平衡态,其他所有的态都无法达到，我们可以重组体统来形成这些态，但没有一个可以达到的态,有比平衡态大的熵。

麻省理工公开课 - 热力学与动力学课程节选