黄色素过多症

例句：

1. 1.The patient's skin was showing signsof yellowing.
   患者的皮肤出现了黄化的迹象。
2. 2. The elderly often suffer from yellowingeyesight.
   老年人常常患有黄眼症。
3. 3.The diet rich in vitamin A can helpprevent or treat yellowing of the skin.
   富含维生素A的饮食可以帮助预防或治疗皮肤黄化。