senile river

例句：

1. 1. The senile river flows through the town, providing a natural source of water for the residents.
   这条老年河流经城镇，为居民提供了天然的水源。
2. 2. The old man sat by the senile river, enjoying the peaceful surroundings.
   那位老人坐在老年河边，享受着宁静的环境。
3. 3.The senile river is a popular spot for birdwatchers and nature enthusiasts.
   老年河是鸟类观察者和自然爱好者的热门地点。