“氢键”这个名字使用不当，因为它不是真正的键，而是特别强的极性分子间的吸引力。

The name "hydrogen bond" is something of a misnomer, as it is not a true bond but a particularly strong dipole-dipole attraction.

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至于与分离分子间的纠纷，他说那都是“过去的事了”。

As for dissensions among separatists, he says it is "past history".

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油能与水分开，是因为油分子之间的作用比油水分子间的作用强。

Oils segregate out of water because the oil-oil interaction is more favorable than the oil-water interaction.

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The molar volume is being changed a little bit trying to make things collide with each other, they can't occupy the same volume.

摩尔体积发生了很小的改变,如果你试图使气体分子间相互碰撞，他们不能占据同一个位置。

麻省理工公开课 - 热力学与动力学课程节选

If we have too much gas in here, in other words, if the gas is at too high a pressure, the collisions with the gas molecules will consume the energy of the electrons and, again, we will see nothing.

假设这里有过多气体，换句话说，如果气体处在一个高压状态下，气体分子间的碰撞将会消耗,电子的能量，同样，什么也没有。

麻省理工公开课 - 固态化学导论课程节选

That's how tight the junctions are, not even a small molecule like glucose can pass between them.

可见胞间连接多么紧密,甚至像葡萄糖这样小的分子也不能通过

耶鲁公开课 - 生物医学工程探索课程节选