weir

堰

川を横切る低い障壁で、流れる水の量を調節するもの。

やさしい英語で： A low barrier across a river that controls how much water flows past it.

• Water flowed over the weir.
• They raised the weir to control the river level.
• The old weirs need new gates.

類義語： dam

よく使う表現： river weir, adjustable weir, over the weir

梁

魚を捕らえるために川を横切るように設けた柵。

やさしい英語で： A fence across a river that traps fish.

• The fish swam into the weir.
• They built wooden weirs across the stream.
• The fisherman checked his weir at dawn.

類義語： fish trap

よく使う表現： fish weir, wooden weir, build a weir

堰を設ける

水を調節したり魚を捕ったりするために、川に障壁を設ける。

やさしい英語で： To place barriers across a river to control water or catch fish.

• They plan to weir the stream.
• The river was weired to control its flow.
• Workers weired the channel near the mill.

類義語： dam

よく使う表現： weir a river, weir a stream