pterygostium

例句：

1. 1. The doctor advised him to havesurgery on his pterygostium.
   医生建议他对他的鼻中隔进行手术。
2. 2. The patient was having difficulty breathingdue to a ruptured pterygostium.
   由于鼻中隔破裂，患者呼吸困难。
3. 3. The pterygostium is an important structure inthe nose that helps with balance and temperatureregulation.
   鼻中隔是鼻子中的一个重要结构，有助于平衡和温度调节。