ear-trumpet

英['iərtr'ʌmpɪt] 美['iərtr'ʌmpɪt]
  • n.助听筒;号角状助听器
  • deflector n.变流装置;偏针仪
  • ear n.听觉;耳朵;倾听n.麦穗vi.抽穗
名词 ear trumpet:
  1. a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired person