eustachian tube

US /juːˌsteɪ.ʃən ˈtuːb/
UK /juːˌsteɪ.ʃən ˈtuːb/
"eustachian tube" picture
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.

:
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。
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。