nasal pit

例句：

1. 1.The doctor found a small nasal pit on the patient's nose.
   医生在病人的鼻子上发现了一个小鼻道小坑。
2. 2. The patient had to have surgery to remove the nasal pit.
   患者不得不接受手术来移除鼻道小坑。
3. 3. The nasal pit was filled with pus and discharged by the body.
   鼻道小坑被脓液和分泌物填满，并由身体排出。