noun🔗Share堰, 堰堤An adjustable dam placed across a river to regulate the flow of water downstream."The engineer adjusted the height of the weir to ensure the farmers downstream received enough water for their crops. "技術者は、下流の農家が作物のために十分な水を受け取れるように、堰の高さを調整しました。environmenttechnologyarchitectureutilitygeographystructuredeviceChat with AIVocabulary GamePractice Reading
noun🔗Share堰, 魚止めA fence placed across a river to catch fish."The fishermen built a weir across the stream to trap the migrating salmon. "漁師たちは、移動するサケを捕獲するために小川に堰を作った。fishenvironmentagriculturestructuredeviceChat with AIVocabulary GamePractice Reading