这些金黄色的叶子很美！

Zhèxiē jīnhuángsè de yèzi hěn měi!

These golden leaves are very beautiful!

树上的叶子开始变红了！

Shù shàng de yèzi kāishǐ biàn hóng le!

The leaves on the trees are starting to turn red!

秋天的叶子很漂亮。

Qiūtiān de yèzi hěn piàoliang.

Autumn leaves are very pretty.