soften leather

• 鞣皮

soften leather的用法和样例：

例句

1. Each piece is trimmed with the finest cowhide leather which has a totally flawless surface, and has been tanned with plant extracts.
   每一件作品都饰以最优质的牛皮革，有著完美无瑕疵的外观，并曾被植物的提取物来进行鞣皮。