“真皮的”用英语怎么说？

48周时片状ADM的吸收率为28.2%,低于自体真皮的吸收率 ( 39.4% ).The absorptivity of ADM ( 28.2 % ) was lower than the self - dermis ( 39.4 % ).孩子们的脚最好穿真皮的鞋.Its good for children's feet to be shod With real leather.全是真皮的 吗 ?Are they all ma...