mottle

例句：

1. 1. The old painting has a mottled appearance.
   这幅旧画有斑点状的外观。
2. 2. The cat's fur is mottled with black and white stripes.
   这只猫的毛色是黑白相间的条纹。
3. 3. The leaves on the tree are mottled with green and brown spots.
   树上的叶子上布满了绿色和棕色的斑点。