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同义词： auditory tube
以上来源于: WordNet
N a tube that connects the middle ear with the nasopharynx and equalizes the pressure between the two sides of the eardrum 咽鼓管
The child has earache caused by blocked Eustachian tubes.
这孩子因耳咽管堵塞而引起耳痛。
The eustachian tubes get longer and usually work better in older kids, but they can still cause problems.
对于大一些的孩子，虽然耳咽管会更长一些，可以更好的发挥作用，但是还是会出现问题。
The eustachian tubes connect the middle ears to the pharynx, allowing air pressure on the eardrum to be equalized.
咽鼓管将中耳连接到咽上，可调节作用在鼓膜上的气压。
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