earplug
n. 耳栓，耳塞
英英释义
Noun
- an earphone that is inserted into the ear canal
- a plug of cotton, wax, or rubber that is fitted into the ear canal for protection against the entry of water or loud noise
例句
- Luckily we took earplug with us, as the traffic outside our room was very noisy.真幸运，我们带有耳塞，因为房间外面的车辆噪音太大。