The saddest thing about youth is the failure to take hold of what will fill a leading place in one's future happiness.
青春最遗憾的莫过于抓不住未来幸福中占主导地位的东西。
The equilibrium state is the one, and it's just one, in which there are no spontaneous changes that can take place to any other state.
平衡态是一个,而且仅仅是一个态,这个态不会发生自发变化,变成其他的态。
now let's go back to each of our individual steps and look, based on what we know about how to evaluate the thermodynamic changes that take place here, let's look at each one of the steps and see what happens.
让我们回到循环中的每一步,然后看看,基于我们已有的知识,来估计一下,发生的热力学变化,让我们看,循环中的每一步发生了什么。
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