hearing aid
hearing aid是什么意思、hearing aid怎么读
【医】 助听器
hearing aid汉语翻译
【医】 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：deaf-aid
- a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person同义词：ear trumpet