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。
prebiotic soup