marking
n (usu pl 通常作复数) pattern of marks, esp the colours of skin, fur or feathers 斑点, 花纹(尤指皮肤、 毛皮或羽毛的颜色)
a dog with white markings on its chest 胸部有白斑的狗.
My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.