earplug
🇺🇸
/ˈɪrplʌɡ/
🇬🇧
/ˈɪəplʌɡ/
A small device you put in your ears to block out sound or water.
I always use earplugs when I sleep in a noisy environment.
当我在嘈杂的环境中睡觉时,我总是使用耳塞。