Beryllium difluoride is very soluble in water, unlike the other alkaline earths.

铍二氟化物极易溶于水，与其它碱土不同。

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Soaps of metals heavier than sodium are not very soluble;

金属皂比钠重，可溶性不高。

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Ammonia is very soluble in water, forming a weak alkaline solution.

氨非常易溶于在水，生成弱碱性溶液。

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It's very water soluble and it's a big molecule, a very big molecule; it can't naturally get inside cells on its own.

它是一个水溶性极强的大分子,非常非常大的分子,质粒在自然状态下并不能自己进入细胞

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Now this behaves very differently in water because part of it is water soluble, this part is, it's a molecule that would like to dissolve in water and part of it is like oil, it doesn't want to dissolve in water.

它们在水中表现出十分不同性质,因为一部分是水溶性的,这一部分是,是一种可以溶于水的分子,而另一部分就像油,不会溶于水中

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This liberates hydrogen ions for the acidity, turns insoluble sulfide into very soluble sulfate, and creates rust from reduced iron, a fascinating, if annoying, chemical process.

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