A part, as of a telephone receiver or hearing aid, that fits in or is held next to the ear.
A part, as of a telephone receiver or hearing aid, that fits in or is held next to the ear.
耳塞电话接收器或助听器上嵌入耳中或附著在耳上的部分
A part, as of a telephone receiver or hearing aid, that fits in or is held next to the ear.
耳塞电话接收器或助听器上嵌入耳中或附著在耳上的部分