天然气是一种以轻烃为主的混合物，由于缺少大分子指纹化石，许多重要的成因信息难以单纯依靠组分获得。

Nature gas is a kind of mixture in which light hydrocarbons are dominant, it is very difficult to acquire some important origin information because macromolecule fingerprint fossil is absent.

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考虑到泰坦上云层温度以及富烃的大气，湖中所含的很可能是甲烷和乙烷的混合物而不是水。

With Titan's colder temperatures and hydrocarbon-rich atmosphere, however, the lakes likely contain a combination of methane and ethane, not water.

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所述漂白组合物的粘度通过增稠剂和烃的混合物控制。

The viscosity of the bleaching composition is controlled by an admixture of a thickener and a hydrocarbon.

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