3 sentences

1. 大风吹过，枯黄的落叶在空中不停地旋。

   dà​fēng chuī guò, kū​huáng de luò​yè zài kōng​zhōng bù​tíng de xuán.

   As the wind blew, the withered yellow leaves kept swirling in the air.

   Source: Dong Chinese Dictionary

2. 秋天到了，枯黄的叶子正从枝头缓缓下落。

   qiū​tiān dào le, kū​huáng de yè​zi zhèng cóng zhī​tóu huǎn​huǎn xià​luò.

   Autumn has arrived, and withered yellow leaves are slowly falling from the branches.

   Source: Dong Chinese Dictionary

3. 几片枯黄的叶子从老树上坠落，掉进了平静的小溪里。

   jǐ piàn kū​huáng de yè​zi cóng lǎo shù shàng zhuì​luò, diào jìn le píng​jìng de xiǎo​xī lǐ.

   A few withered yellow leaves fell from the old tree and dropped into the calm stream.

   Source: Dong Chinese Dictionary