hearing-aid
hearing-aid是什么意思、hearing-aid怎么读
【计】 助听器
hearing-aid汉语翻译
【计】 助听器
hearing-aid英语解释
名词 hearing-aid:
- an electronic device that amplifies sound and is worn to compensate for poor hearing同义词：hearing aid, deaf-aid
- a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person同义词：hearing aid, ear trumpet