在这个简单的模型中，这个纯液体的熵是零。
Well, in this simple model the entropy of the pure liquid is zero.
一个简单的解释是，多吃水果蔬菜的饮食增加了液体摄入量，这是众所周知的，有益的。
One simple explanation is that a diet rich in fruits in vegetables increases fluid intake, which is known to be beneficial.
教授：之前几节中，我们开始看到一些过程及结果，混合的简单的变化，关于气体，液体的扩散。
PROFESSOR: Last few lectures, and we started to see some of the consequences and looked at simple changes, transformations of expansion and mixtures of liquids and gases.
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