1. middle ear
1. On one occasion my son suffered from inflammation of the middle ear and we hurried to a leading pediatric hospital at about 4 am.
2. middle ear的反义词
2. Another theory is that yawning helps equalize pressure in the middle ear with outside air pressure.
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noun
1. middle ear
1. the main cavity of the ear
between the eardrum and the inner ear
Synonym: tympanic cavity tympanum