Constant temperature means isothermal, so this part means an isothermal process.

等温“指温度不变，这部分就是指一个等温过程。

麻省理工公开课 - 热力学与动力学课程节选

Well--again, we gonna be careful about refining this, just like we all agreed, I suppose, that you can have the very same body even though somebody--the parts come and go, items get added, other items get knocked off.

我们得仔细研究如何对其定义,我们都认可了，先这么假设,即使肉体的某些部位丢失或新增,原来的肉体还是不变，肉体的某些部分可能新增可能丢失。

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