speck of color

例句：

1. 1. The painting has a speck of color on it.
   这幅画上有一点颜色。
2. 2. She added a speck of color to her outfit.
   她给衣服添了一点颜色。
3. 3. The sky had a speck of color in the east.
   东方的天空有一点颜色。