Epidermis
例子
The epidermis is the outermost layer of skin that provides a protective barrier for the body.
表皮是皮肤的最外层,为身体提供保护屏障。
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。



























