n.表皮；上皮
That part of the epidermis on his hand is damaged. 他手上那塊表皮受到損傷。
We may say that the epidermis protects the dermis. 我們可以說是表皮保護了真皮。
All debris and detached epidermis must be removed. 一切碎屑和分離的老皮必須清除。
