双语例句原声例句
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我们了解的生命是由氨基酸和DNA组成的，它必须在有水的环境下才能存活。
All we know about life is that it must be made of amino acids, DNA, and it needs water to survive.
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这块陨石从外太空而来。它包含着氨基酸、糖类和其他有机物等构成生命的物质。
It came from outer space. It being the stuff of life-amino acids, sugars and other organic molecules.
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所以，此前的研究者错误的认为陨星中的甲基化氨基酸就是生命的成分。
The mistake previous researchers made, therefore, was thinking of the methylated amino acids of meteorites as ingredients of life.
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They are RNA molecules but they have at some points in their life span, they have amino acids attached to them.
这些是如假包换的RNA分子,但在其生命周期的特定时间,它们会携带一个氨基酸分子
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