hearing-aids

英 ['hiərɪŋ'eɪdz] 美 ['hiərɪŋ'eɪdz]

• 助听器

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