英语词汇“gastraea”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	gastraea
释义	gastraea gastraea (ɡæsˈtriːə) na primeval double-walled sac-like form whose existence was hypothesized by Ernst Haeckel, who proposed that all animals were descended from it
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