1、He suffers from a monorhinic condition, which means he only has one nostril. 他患有单鼻的病状，也就是他只有一个鼻孔。

2、The monorhinic fish species is unique, as it is the only known fish with a single nostril. 这种单鼻的鱼类物种非常独特，因为它是唯一一个已知只有一个鼻孔的鱼类。