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单词 eustachian tube
释义

WordReference Random House Learner's Dictionary of American English © 2024
Eu•sta•chian tube /yuˈsteɪʃən ˌtub/USA pronunciation  n. [countable]
  1. Anatomya tube or canal extending from the middle ear to the back of the throat.

WordReference Random House Unabridged Dictionary of American English © 2024
Eu•stachian tube′  (yo̅o̅ stāshən, -stākē ən),USA pronunciation [Anat.]
  1. Anatomya canal extending from the middle ear to the pharynx;
    auditory canal. See diag. under ear 1.
  • 1735–45; named after Eustachio; see -an

Collins Concise English Dictionary © HarperCollins Publishers::
Eustachian tube /juːˈsteɪʃən/ n
  1. a tube that connects the middle ear with the nasopharynx and equalizes the pressure between the two sides of the eardrum
Etymology: 18th Century: named after Bartolomeo Eustachio, 16th-century Italian anatomist
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更新时间:2025/7/23 11:14:46