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单词 tympanic bone
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tympanic bone, [Anat., Zool.]
  1. Anatomy, Zoology(in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the tympanum or middle ear.
  • 1840–50

Collins Concise English Dictionary © HarperCollins Publishers::
tympanic bone n
  1. the part of the temporal bone in the mammalian skull that surrounds the auditory canal
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