alar septum

例句：

1. 1. The doctor advised him to have surgery on his alar septum.
   医生建议他对他的鼻中隔进行手术。
2. 2.She was born with an alar septum that caused her breathing difficulties.
   她出生时有一个导致呼吸困难的鼻中隔。
3. 3. The patient had trouble breathing due to the alar septum being too narrow.
   由于鼻中隔太窄，患者呼吸困难。