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单词 pinna
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pin•na  (pin′ə),USA pronunciation n., pl. pin•nae (pin′ē),USA pronunciation pin•nas. 
  1. [Bot.]one of the primary divisions of a pinnate leaf.
  2. [Zool.]
    • a feather, wing, or winglike part.
    • a fin or flipper.
  3. [Anat.]auricle (def. 1a).
  • Latin: feather, wing, fin
  • 1660–70
pin′nal, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
pinna /ˈpɪnə/ n ( pl -nae / -niː/, -nas)
  1. any leaflet of a pinnate compound leaf
  2. a feather, wing, fin, or similarly shaped part
  3. another name for auricle
Etymology: 18th Century: via New Latin from Latin: wing, feather, fin
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更新时间：2024/11/11 13:56:07