weir
noun /wɪə(r)/
/wɪr/
- a low wall or barrier built across a river in order to control the flow of water or change its direction
堰;拦河坝;导流坝 - Flood water was pouring over the weir in a thundering torrent.
洪水以雷鸣般的急流漫过堰。
词源Old English wer, from werian ‘dam up’. - Flood water was pouring over the weir in a thundering torrent.