eustachian tubes

• 耳咽管

eustachian tubes的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 eustachian tube:

1. either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum

eustachian tubes的用法和样例：

例句

1. The child has earache caused by blocked Eustachian tubes.
   这孩子因耳咽管堵塞而引起耳痛。