deaf-aid
美
英 
英汉解释
例句
Ladies and gentlemen, please remove glasses, denture deaf-aid, and put them in your sock or side coat pocket.
各位旅客现在请拿下眼镜、假牙和助听器,并将它们放在袜套中或外衣口袋内。
The deaf-aid is really wonderful. I can hear you as clear as a bell.
这个助听器太好了,我能清楚地听到你的声音了。