ear trumpet 同义词
- hearing aid
英文释义: 名词 a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
翻译和释义
- ear trumpet 英文释义：a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person
- ear trumpet 中文翻译：(从前半聋人用的号筒形)助听器。