epidermis [名词] 表皮 Ex: Sun exposure can damage the cells of the epidermis over time and increase skin cancer risk . 长时间暴露在阳光下会损害表皮细胞,增加皮肤癌的风险。
scalp [名词] 头皮 Ex: The dermatologist examined his scalp for any signs of skin conditions or infections . 皮肤科医生检查了他的头皮,寻找任何皮肤状况或感染的迹象。