tributary waterway

例句：

1. 1. The river's tributary waterway is a popular spot for anglers.
   这条河的分水道是钓鱼爱好者的热门地点。
2. 2. The tributary waterway connects the two rivers and helps to dilute the pollutants in the main stream.
   这个分水道将两条河流连接起来，有助于稀释主河道中的污染物。
3. 3. The tributary waterway plays a crucial role in the ecosystem by providing habitat for various species offish and plants.
   这个分水道在生态系统中起着至关重要的作用，为各种鱼类和植物提供了栖息地。