colour light signal

例句：

1. 1.The painting has a variety of colours.
   这幅画有多种颜色。
2. 2. She wore a brightly coloured dress for the party.
   她穿着一件鲜艳的连衣裙参加派对。
3. 3. The artist used different colours to create the picture.
   这位艺术家使用不同的颜色来创作这幅画。