n.听筒
Gaines , through the earpiece, tells Jack to get her out of the building.
盖恩斯通过无线麦克风, 指示杰克将她弄出办公室所在的建筑物.
Earpiece connector for use ear defenders.
耳机连接器用于内耳防护.
My earpiece cord would clip to the back of my jacket collar.
我的听筒线会夹在外套的领子上.