primordial soup
noun [ U ] uk/praɪˌmɔː.di.əl ˈsuːp/ us/praɪˌmɔːr.di.əl ˈsuːp/
原生浆液（地球上生命出现之前存在的一种液态物质）
a liquid substance that existed on earth before there were any plants, animals, or humans and from which plants, animals, and humans developed