Autumn leaves begin to turn brown.

秋天的落叶开始变成褐色。

Jimmy: Autumn leaves are yellow.

吉米：秋天的树叶是黄色的。

I love to walk on autumn leaves.

我特别喜欢踩着秋叶散步。

The wind blows the autumn leaves.

风吹动着秋天的树叶。

It was a fluttering autumn leaves.

那是一个落叶飞舞的秋日。