ear popping
耳朵里嗡嗡作响，通常指在飞行或高海拔地区的气压变化时
口语·描述飞行或登山时耳朵不适感
英文释义
the sensation of pressure or discomfort in the ears, often experienced during changes in altitude, such as when flying in an airplane or driving up a mountain
例句
My ears were popping during the entire flight, and I had to chew gum to relieve the pressure.
典故来源
源于航空旅行中气压变化导致耳膜内外压力不平衡，产生嗡嗡作响或不适感的现象。