加强和传送声音的喇叭状装置；以前常装在弱听人的耳朵上

加强和传送声音的喇叭状装置；以前常装在弱听人的耳朵上的英文翻译

基本释义

• a trumpet-shaped device to intensify and direct the human voice; formerly held to the ear by a hard-of-hearing person