hearing-aid

n small device that amplifies sound and helps a deaf person to hear 助听器: have/wear a hearing-aid 有[戴]助听器


我的助听器是国民保健署资助的。: I got my hearing aid on the National Health (Service).

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.