hairs of external acoustic meatus

例句：

1. 1.The doctor examined the patient's external acoustic meatus for any signs of infection.
   医生检查了患者的外部声门，以寻找任何感染的迹象。
2. 2. The surgeon removed the foreign object from the patient's external acoustic meatus.
   外科医生从患者的外部声门取出了异物。
3. 3. The child was able to hear the sound of the bell through the external acoustic meatus.
   孩子能够通过外部声门听到钟声的声音。