qiū / tiān / dào / le / xiào / yuán / lǐ / de / wū / jiù / shù / yè / zi / biàn / chéng / le / xiān / hóng / sè秋天到了,校园里的乌桕树叶子变成了鲜红色。When autumn arrives, the leaves of the tallow trees on campus turn bright red.