rainfall runoff relationship

例句：

1. 1. The city receives a significant amount of rainfall each year.
   这个城市每年接收到大量的降雨。
2. 2. Rainfall is an essential factor in determining the soil's fertility.
   降雨量是决定土壤肥力的重要因素。
3. 3. The rainwater collected from the rooftop can be used for irrigation purposes.
   从屋顶收集的雨水可以用于灌溉目的。
4. 1.The runoff from the rainwater quickly fills the riverbed.
   雨水的径流很快填满了河床。
5. 2. The town relies heavily on the local stream for its water supply.
   这个城镇严重依赖当地的河流作为供水来源。
6. 3. The construction of a new dam will help to reduce the runoff of pollutants into the river.
   建造一个新的水坝将有助于减少污染物进入河流的径流量。