土卫六拥有浓厚的大气层和疯狂世界似的气候特征：有毒的风和由碳氢化合物组成的雨水。同时，土卫六海充满着各种复杂的化学成份和有机分子。
Titan, with a thick atmosphere and a bizarro-world form of weather featuring toxic winds and hydrocarbon rain, is home to a mix of complex chemistry, complete with organic molecules.
他们计划生产的不是乙醇、而是碳氢化合物，其分子的化学性质和结构与为飞机、火车和汽车提供动力的燃料类似。
Instead of ethanol, they plan to make hydrocarbons, molecules chemically much more similar to those that already power planes, trains and automobiles.
氢化：通常在有催化剂的情况下，氢分子(H2)与其它元素或化合物之间的化学反应。
Hydrogenation: Chemical reaction between molecular hydrogen (H2) and another element or a compound, usually in the presence of a catalyst.
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