ear r plug耳塞
ear r plug of stethoscope听诊器耳塞
ear plug of stethoscope听诊器耳塞
Rubber Ear Plug橡胶耳塞
universal fitting ear plug百合
malleable ear plug释义软耳塞
preformed ear plug成形耳塞
Rubber Ear Plug with cord有绳橡胶耳塞;橡胶耳塞
N-COUNT（可数名词） 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]