也许它的冰冷表面覆盖着液态甲烷和液态乙烷，它们会积聚成湖泊甚至大海，就像地球上由水形成的江河湖海一样。
The ice remains covered up even as liquid methane and ethane flow all over Titan's surface and fill up lakes and seas much as liquid water does on Earth.
顺带一提，泰坦湖泊里的液体并不是通常意义上的水，而是液态的甲烷和乙烷。
Titan's lakes, by the way, aren't your usual bodies of water — instead, they're filled with liquid methane and ethane.
在天然气生产中获得的液体，被称为液化天然气(液态天然气)，其中包括乙烷，丙烷，丁烷和凝析油，它包括戊烷重碳氢化合物。
Liquids obtained during production of natural gas are known as natural gas liquids (NGLs) and include ethane, propane, butane and condensate, which comprises pentanes and heavier hydrocarbons.
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