earplugs

英

美 [ˈɪrˌplʌgz]

n.  耳塞(用以挡噪音、防水)
earplug的复数

柯林斯词典

• （隔音、防水、御寒等用的）耳塞
  Earplugsare small pieces of a soft material which you put into your ears to keep out noise, water, or cold air.

双语例句