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单词 caenogenesis
释义
  • caenogenesis

    • 英?['si:n?'d?en?s?s]
    • 美?[?s?n?'d?en?s?s]

    释义

    • n.
      新性发生
  • 英英释义

    Noun

    • 1. introduction during embryonic development of characters or structure not present in the earlier evolutionary history of the strain or species (as addition of the placenta in mammalian evolution)
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更新时间:2025/1/26 8:46:29