In fact, the water at the bottom of the waterfall is hotter than the water at the top of the waterfall.

实际上，瀑布底部的水,的确比顶部的水要热。

麻省理工公开课 - 热力学与动力学课程节选

Energy can flow across the glass but I put a lid on top, and so the water can't get out.

能量可以穿过杯壁流动,但是我在顶上加了盖子，所以水不能跑出来。

麻省理工公开课 - 热力学与动力学课程节选

And this is top view of a water tank.

这是关于水槽实验最好的观点。

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The fascinating part about this layer is that it solves the problem for phospholipids about how to exist in water when half of you wants to be in oil, and that the water soluble part of the top leaflet here, of the top points up into the water, and the fatty acid chains point down.

这层膜的迷人之处在于,它解决了磷脂,如何存在于水中和油脂中的问题,水溶性的顶端部分,向上插入水中,而脂肪链则指向下

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And that was the water at the bottom of the waterfall is probably going to be hotter than the water at the top of the waterfall.

瀑布底部的水,或许比顶部,的水更热。

麻省理工公开课 - 热力学与动力学课程节选

So a closed system would be, for instance, a glass of ice water with an ice cube in it, with the lid on top.

因此闭系可以是，比如说，一杯放了,一个冰块的冰水，顶上加了盖子。

麻省理工公开课 - 热力学与动力学课程节选