maple leaf

例句：

1. 1.The maple leaves are changing color in the fall.
   秋天，枫叶开始变色。
2. 2.The maple tree is a symbol of autumn.
   枫树是秋天的象征。
3. 3. She picked up a maple leaf and studied it carefully.
   她捡起一片枫叶仔细研究。