白化病

例句：

1. 1. He has a rare genetic disorder that causes his skin to turn white.
   他患有一种罕见的遗传病，导致他的皮肤变白。
2. 2. The condition is often associated with albinism in humans.
   这种状况通常与人类的白化病有关。
3. 3. Albinism is a rare genetic disorder that affects the pigmentation of the skin and eyes.
   白化病是一种罕见的遗传病，影响皮肤和眼睛的色素。