hearing aid 同义词
英文释义: 名词 a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
英文释义: 名词 an electronic device that amplifies sound and is worn to compensate for poor hearing
翻译和释义
- hearing aid 英文释义：a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
- hearing aid 中文翻译：助听器。