bright mottle

例句：

1. 1. The butterfly's wings are a brilliant mottle of colors.
   这只蝴蝶翅膀上是一片绚丽的斑点。
2. 2. The baby's face is adorned with a bright mottle of freckles.
   婴儿的脸上点缀着一片明亮的雀斑。
3. 3. The old lady's hands were marked with a bright mottle of age spots.
   那位老太太的手背上布满了一片明亮的老年斑。