及物动词

名词

1. 坝;堤
A dam is a wall that is built across a river in order to stop the water flowing and to make a lake.

2. 在（河）上筑坝
To dam a river means to build a dam across it.

3. 雌亲;母畜
In the breeding of farm animals, an animal's dam is its mother.

1. female parent of an animal especially domestic livestock

2. a barrier constructed to contain the flow of water or to keep out the sea

Synonym: dikedyke

3. a metric unit of length equal to ten meters

Synonym: decameterdekameterdecametredekametredkm