Many kinds of molecules make up your coffee There are the water molecules, the flavor molecules the milk proteins, etcetera.

许多不同种类的分子构成了你的咖啡,有水分子，气味分子，牛奶蛋白等等。

麻省理工公开课 - 热力学与动力学课程节选

- So I'll have a decaf double espresso mocha skinny with a-- ?" What? What other dimensions are there? Right?

我要一杯双倍浓度无咖啡因的穆哈咖啡-,还有什么其他种类？

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