eustachian tube

US /juːˌsteɪ.ʃən ˈtuːb/
UK /juːˌsteɪ.ʃən ˈtuːb/
"eustachian tube" picture
1.

耳咽管, 咽鼓管

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.
耳咽管有助於在飛行時平衡耳朵內的壓力。
Blocked eustachian tubes can cause ear pain and hearing problems.
耳咽管堵塞會導致耳痛和聽力問題。