These sentences were read aloud by real people — native Japanese speakers — for the open Mozilla Common Voice project. Listen to how a phrase sounds in real speech: the intonation, the pace, the way words run together. Two speakers mean two different people read it — compare them.
紅葉がきれいな季節になってきた。
こうようがきれいなきせつになってきた。The season of beautiful autumn leaves has come.
秋雨前線とのおつき合いでは、一雨ごとに、紅葉が濃くなってゆく。
あきさめぜんせんとのおつきあいでは、ひとあめごとに、こうようがこくなってゆく。With the autumn rain front, with each rain, the autumn leaves become deeper in color.