freeflooding

例句：

1. 1. The floods caused significant damage to the city's infrastructure.
   洪水对城市的基础设施造成了重大损害。
2. 2. The government has been working on a plan to prevent future freeflooding events.
   政府一直在努力制定一个计划，以防止未来的自由泛滥事件。
3. 3.The river's flow was greatly increased due to the recent heavy rainfall.
   由于近期的大雨，河流的流量大大增加了。