flood control structure

例句：

1. 1.The flood control structure is designed to prevent floods from reaching the city center.
   洪水控制结构旨在防止洪水到达市中心。
2. 2. The engineers are working on designing a new flood control structure for the region.
   工程师们正在为该地区设计一个新的洪水控制结构。
3. 3.The flood control structure is an essential part of our emergency response plan.
   洪水控制结构是我们紧急响应计划的重要组成部分。