If you start to look at food labels more carefully, what you'll find is some version of sugar, and if you find ose, o-s-e at the end of something, that means it's a sugar.

如果你更仔细地看看食品标签,你会找到许多类型的糖,如果你找到词缀"ose",以ose结尾的单词,那说明这是糖类

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This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.

所以我们可以想象功是负的,开始的时候体积是,最终的容积是,外界的压力恒为。

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