tidal weir

例句：

1. 1. The tidal weir is an important structure in the coastal area.
   潮汐堤坝是沿海地区的一个重要结构。
2. 2.The tidal weir helps to control the flow of water during high tides.
   潮汐堤坝在涨潮时帮助控制水流。
3. 3. The tidal weir was built to protect the shoreline from flooding.
   潮汐堤坝被建造用来保护海岸线免受洪水侵袭。