They're formed when ultraviolet light interacts with ethane you see.

它们是由于紫外线对乙烷的作用形成的，你看。

The infrastructure to turn that ethane into plastic, has expanded.

将乙烷转化为塑料的基础设施已经扩大。

Their liquid is not water but ethane and methane.

它们的液体不是水， 而是乙烷和甲烷。

It has lakes and seas of liquid methane and ethane, instead of water.

它有液态甲烷和乙烷的湖泊和海洋，而不是水。

Sometimes, a hexane can look like a pentane with an ethane sticking off of it.

有时，己烷看起来像戊烷， 上面粘着乙烷。

This is ethane, C2H6. Another gas, and it's mostly used in the production of plastics.

这是乙烷，C2H6。 另一种气体， 主要用于塑料生产。

It is so cold, though, that its liquid hydrocarbons, methane and ethane, that you would use for fuel here on Earth.

不过它非常冷，这些都是液态烃，甲烷和乙烷，在地球上被用作燃料的液体。

So has investment in petrochemical plants that turn ethane into plastic.

对将乙烷转化为塑料的石化工厂的投资也是如此。

The availability of cheap ethane from the fracking boom, all across the country is driving this build-out.

- 全国各地水力压裂热潮中廉价乙烷的供应正在推动这种扩建。

And at Titan, there are also exotic lakes and seas of liquid methane and ethane on the surface.

在土卫六上，地表也有奇异的液态甲烷和乙烷湖泊和海洋。