You're familiar with this, if I had a jar of acetone or some kind of a volatile liquid, let's say I have perfume.

举个常见的例子,假如你有一瓶丙酮或者其它挥发性液体,就说香水吧

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The jar was round upon the ground And tall and of a port in air.

圆圆的坛子置在地上,高高地立于空中。

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So if you had a jar full of triglycerides it would behave like an oil, many would be liquid at room temperature.

所以如果你有一满瓶甘油三酯,它看上去就好像油一样,它们在室温下都是液体

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