ear-trumpet

英 ['iərtr'ʌmpɪt] 美 ['iərtr'ʌmpɪt]

• n. 助听筒；号角状助听器

ear-trumpet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 ear trumpet:

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