hearing-aids(spectacle)

• 眼镜助听器

hearing-aids(spectacle)的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 hearing aid:

1. an electronic device that amplifies sound and is worn to compensate for poor hearing

2. a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person