So the first step to doing that is I want to just generalize our results so far for a Carnot cycle.

第一步,首先来推广一下,卡诺循环的结果。

麻省理工公开课 - 热力学与动力学课程节选

Now the first law is going to hold in all of these steps, and we're going around in a cycle.

现在热力学第一定律,就蕴含在这所有的步骤里了，我们沿着这个循环走。

麻省理工公开课 - 热力学与动力学课程节选

You start off and you go down, down, down, and then you come up, then you get your first REM cycle, again, again, again, again, again, and then you wake up.

从第一阶段开始，到下面的阶段，然后又往上，这时就出现REM睡眠，然后再一次次地循环，直到你睡醒。

耶鲁公开课 - 心理学导论课程节选