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单词 living fossil
释义

WordReference Random House Unabridged Dictionary of American English © 2024
living fossil, 
  1. Paleontologyan organism that is a living example of an otherwise extinct group and that has remained virtually unchanged in structure and function over a long period of time, as the coelacanth and the horseshoe crab.
  • 1920–25

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更新时间:2025/7/22 23:31:45