pachyonychia

例句：

1. 1. The patient had a severe case of pachyonychia, which required immediate medical attention.
   这名患者患有严重的毛皮病，需要立即就医。
2. 2.The veterinarian diagnosed the dog with pachyonychia and prescribed medication to treat it.
   兽医诊断这只狗患有毛皮病，并开了药来治疗。
3. 3.Due to the dry climate in the area, many people suffer from pachyonychia, leading to discomfort and even skin infections.
   由于该地区气候干燥，许多人患有毛皮病，这导致他们感到不适，甚至引发皮肤感染。