eardrum
🇺🇸
/ˈɪrdrʌm/
🇬🇧
/ˈɪədrʌm/
A thin membrane inside the ear that vibrates when sound waves hit it, allowing us to hear.
The loud music caused his eardrum to vibrate intensely.
高分贝的音乐使他的耳膜剧烈振动。