ear trumpet

noun

1. （旧时的）号角状助听器
   a device shaped like a trumpet , used in the past by people who could not hear well

1. This outer ear, however, is nothing but a sound-gathering trumpet.
   其实，外耳只不过是收拢声音的喇叭。
2. Do you want an ear trumpet to hear better?
   你想要个听筒听得更清楚吗？

noun

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

   Synonym:    hearing aid