earmu

例句：

1. 1.The doctor told me that I need to improve my ear health.
   医生说我需要改善我的耳部健康。
2. 2. She was able to hear the distant sound of the car engine.
   她能够听到远处汽车发动机的声音。
3. 3. He had a hard time communicating with his deaf friend.
   他很难和他的聋哑朋友交流。