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trigonia

/traɪ'ɡənɪə/

📖 中文释义

  1. 三角蛤属
📘 English Definition（英文释义）
  1. n. A genus of pearly bivalve shells, numerous extinct
  2. species of which are characteristic of the Mesozoic rocks. A few living
  3. species exist on the coast of Australia.
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