levee footing

例句：

1. 1. The construction of the levees is crucial for flood control in this region.
   该地区防洪堤的建设对于洪水控制至关重要。
2. 2. The engineers were tasked with designing a new levees to withstand future storms.
   工程师们被指派设计新的防洪堤，以抵御未来的风暴。
3. 3. The levees are designed to hold back floodwaters and prevent them from entering the city.
   这些堤防的设计目的是阻止洪水进入城市。