coloured patches

例句：

1. 1. The old sofa has several coloured patches that make it look fresh and new.
   这把旧沙发有几个彩色补丁，让它看起来焕然一新。
2. 2.The children were playing with coloured patches on the floor.
   孩子们在地上玩着彩色补丁。
3. 3.She carefully sewed a coloured patch onto her dress to add some color.
   她小心地在裙子上缝了一个彩色补丁来增加一些颜色。