flood diversion basin

例句：

1. 1. The flood diversionbasin is designed to divert the floodwaters from the river during heavy rainfall.
   洪水分流盆地设计用来在大雨时将河水分流。
2. 2. The flood diversion basin isan essential part of the flood control system.
   洪水分流盆地是防洪系统的重要组成部分。
3. 3. The flooddiversion basin was constructed to prevent floodingin urban areas during extreme weather events.
   洪水分流盆地被建造来防止极端天气事件期间城市地区的洪水。