polyp of posterior naris

例句：

1. 1. The doctor removed a polyp from his nose.
   医生从他的鼻子里取出了一个息肉。
2. 2. Polyps are often found on the surface of the skin.
   息肉通常出现在皮肤的表面。
3. 3. The patient was diagnosed with a polyp in her throat.
   病人被诊断出喉咙里有息肉。