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单词 chalazas
释义

chalaza /ka-lāˈzə/

noun (pl chalaˈzas or chalaˈzae /-ē/)
  1. In a bird's egg, one of two spiral chords of albumen that hold the yolk sac in position (zoology)
  2. The base of the ovule (botany)
ORIGIN: Gr chalaza hail, lump

chalaˈzal adjective

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更新时间:2024/9/20 16:39:44