earplug jack 耳塞插孔
earplug earphone 耳塞型耳机
shooter's earplug 射击护耳塞
earplug for diver 潜水员用耳塞
cotton-yarn earplug 棉纱耳塞
protective noise earplug 防噪声耳塞
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]
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