为了能够维持生命，这个新的星球不仅要有液态水，而且它的土表还必须是固态的，就像地球这样。
To be able to support life, the new planet would need not only to have water, but it would also need to be solid.
在土星最大的卫星土卫六上，科学家们发现其表面的布满液态甲烷的积洼，这些甲烷会造成有如豌豆汤一样的浓雾，而且气味更是糟到家了！
The scientists found that Titan, Saturn's largest moon, is covered with puddles of liquid methane, which give rise to a fog that's as thick as pea soup -- and smells a whole lot worse.
现在已有把二氧化碳变为合成气的工业生产，而且可以在同一个生产过程中继续把合成气转化为液态碳氢化学物。
Commercial processes are already available that use carbon dioxide to make a mixture called syngas, which can then be converted to liquid hydrocarbons in a process that can run continuously.
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