coloured leaf

例句：

1. 1. The autumn leaves are changing colors, and the world becomes more beautiful.
   秋天的树叶正在变色，世界变得更加美丽。
2. 2.The park has a lot of coloured leaves on display.
   公园里有很多有颜色的叶子展示。
3. 3. She picked up a coloured leaf from the ground and studied it carefully.
   她从地上捡起一片有颜色的叶子仔细研究。