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单词 tympanic membrane
释义

WordReference Random House Unabridged Dictionary of American English © 2024
tympanic membrane, [Anat., Zool.]
  1. Anatomy, Zoologyeardrum. See diag. under ear. 
  • 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::
tympanic membrane n
  1. the thin translucent oval membrane separating the external ear from the middle ear. It transmits vibrations produced by sound waves, via the ossicles, to the cochlea
    Nontechnical name: eardrum
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