zhè / zuò / chéngshì / yí / dào / shíyuè / qiūyì / jiàn / nóng / shùyè / kāishǐ / biàn / huáng

这座城市一到十月，秋意渐浓，树叶开始变黄。

Once this city enters October, the autumn atmosphere gradually thickens and the leaves begin to turn yellow.