Suppose we put somebody in a state of suspended animation, cool their body down so that the various metabolic processes come to an end.

假设我们让某人,进入假死状态，将他们的身体降温,所有的代谢过程都停止。

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And if it goes in one direction or another, where does is lead?

如果这个过程沿着某条路径进行，最终的状态会是什么？

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That's a reversible path.

注：即变化过程中气体的任何状态。

麻省理工公开课 - 热力学与动力学课程节选