arch buttress dam

例句：

1. 1.The arch buttress dam is an important structure for flood control in the region.
   这个拱形支撑坝是该地区防洪的重要结构。
2. 2. The arch buttress dam was constructed to withstand heavy rainfall and flooding.
   这个拱形支撑坝被建造来抵御大雨和洪水。
3. 3.The arch buttress dam has been a source of pride for the local community for decades.
   这个拱形支撑坝几十年来一直是当地社区的骄傲。