air sacs

 
  • 肺泡
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air sacs的英文翻譯是什麼意思,詞典釋義與在線翻譯:

英英釋義

名詞 air sac:
  1. a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways

  2. any of the thin-walled extensions of the tracheae of insects

  3. any of the membranous air-filled extensions of the lungs of birds

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