Oil and water do not blend.

油与水不相融。

《牛津词典》

Oil and water do not mix.

油和水不相融。

《牛津词典》

Oil does not mix with water.

油不融于水。

《牛津词典》

"The Obama moratorium on deep water oil drilling has already cost tens of thousands of jobs."

VOA: standard.2010.07.31

Here's a really simple example. Mixing of oil and water.

这有一个很简单的例子，水和油的混合。

麻省理工公开课 - 热力学与动力学课程节选

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

耶鲁公开课 - 生物医学工程探索课程节选

Petrobras is majority owned by the Brazilian government and is a major deep water oil driller.

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Petrobras is known worldwide for its ability to find and capture deep water oil deposits.

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Petrobras (PBR) is losing money and says it will invest less in its deep water oil drilling.

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