eustachian tube
US /juːˌsteɪ.ʃən ˈtuːb/
UK /juːˌsteɪ.ʃən ˈtuːb/
1.
耳管, エウスタキオ管
a narrow passage leading from the pharynx to the cavity of the middle ear, permitting the equalization of pressure on each side of the eardrum.
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The eustachian tube helps to equalize pressure in the ear when flying.
耳管は飛行中に耳の圧力を均等にするのに役立ちます。
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Blocked eustachian tubes can cause ear pain and hearing problems.
耳管が詰まると、耳の痛みや聴覚の問題を引き起こす可能性があります。