Chū / qiū / shí / jié / ， / gōng / yuán / lǐ / de / shù / yè / kāi / shǐ / màn / màn / biàn / huáng。

初秋时节，公园里的树叶开始慢慢变黄。

In early autumn, the leaves in the park gradually begin to turn yellow.