ich.thy.o.sisn.(名词)A congenital, often hereditary skin disease characterized by dry, thickened, scaly skin.Also called fishskin disease 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也作 fishskin disease