aceratosis

例句：

1. 1. The skin on his hands has developed into a condition of keratosis.
   他的手上的皮肤已经发展成了角化病。
2. 2. He noticed that the nails on his fingers had become rough and thick due to keratosis.
   他注意到他的手指的指甲因为角化病变得粗糙和厚。
3. 3. The doctor diagnosed him with keratosis after examining his skin.
   医生在检查了他的皮肤后诊断他患有角化病。