A wall built across a river to hold back water for storage or power.
The dam holds back the river water to create a lake.
ダムは川の水をせき止めて湖を作ります。
A man-made lake where water is stored.
The dam is full of water after heavy rains.
大雨の後、ダムは水でいっぱいです。
The mother of an animal, especially a horse.
The foal stayed close to its dam for protection.
子馬は保護のために母馬のそばにいました。
A small rubber sheet used by dentists to keep a tooth dry.
The dentist placed a dam around the tooth to keep it dry.
歯科医は歯を乾いた状態に保つためにダムを設置しました。
A small rubber sheet used for protection during sex.
Using a dam can help prevent the spread of infections.
ダムを使用すると感染症の拡散を防ぐのに役立ちます。
To build a wall across a river to hold back water.
They plan to dam the river to create a new water supply.
彼らは新しい水源を作るために川にダムを建設する計画です。