详细解释:【医】 着色性干皮病, 着色性皮萎缩
英语解释：
名词 xeroderma pigmentosum:
a rare genetic condition characterized by an eruption of exposed skin occurring in childhood and photosensitivity with severe sunburn; inherited as a recessive autosomal trait in which DNA repair processes are defective so they are more likely to chromosome breaks and cancers when exposed to ultraviolet light