例句 /

A congenital, often hereditary skin disease characterized by dry, thickened, scaly skin.

A congenital, often hereditary skin disease characterized by dry, thickened, scaly skin.

鳞癣,干皮病一种先天的,经常是遗传性的皮肤病,表现为皮肤干燥、变厚并出现鳞状屑片