英语语法分析

We're building up to entropy and to engines, Carnot cycles, etcetera.

我们要研究，熵，热机，卡洛循环等概念。

You need energy to move your arms around and move around mechanical systems, obviously, cars, boats, etcetera.

你需要能量,来移动胳膊和走动,机械系统，汽车，船等等。

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。