柯林斯词典earplug /ˈɪəˌplʌɡ/ (earplugs) 1. N-COUNT Earplugs are small pieces of a soft material that you put into your ears to keep out noise, water, or cold air. 耳塞[usu pl] 返回 earplug剑桥词典a small piece of soft material , such as wax , cotton , or plastic , that you put into your ear to keep out noise or water （擋噪聲或防水的）耳塞 返回 earplug