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单词 cotyledon
释义

cotyledon /ko-ti-lēˈdən/

noun
  1. A seed leaf (botany)
  2. A convex subdivision of the mature placenta, each division containing a major blood vessel (zoology)
  3. A plant of the S African genus Cotyledon
ORIGIN: Gr kotylēdōn, from kotylē a cup

cotylēˈdonary adjective

cotylēˈdonous adjective

Relating to or having cotyledons

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更新时间:2026/6/6 20:33:03