Conversely, the prebiotic soup of small organic molecules may have arrived from space.

相反，“原始汤”的小有机分子也可能是从太空抵达地球的。

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This has led many to argue that the starting point for the history of life on Earth was the denovo emergence of the RNA world from a nucleotide-rich prebiotic soup.

这使得很多人主张，地球生命历史的起点是在富含核酸的汤里反复出现的——也就是RNA世界。另外一些人非常怀疑这一观点。

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