dam

名词 dam:

1. a barrier constructed to contain the flow of water or to keep out the sea
   同义词：dike, dyke
2. a metric unit of length equal to ten meters
   同义词：decameter, dekameter, decametre, dekametre, dkm
3. female parent of an animal especially domestic livestock

动词 dam:

1. obstruct with, or as if with, a dam
   同义词：dam up

1. The dam eventually yielded and collapsed under the weight of water.
   水坝在水的压力下终於决口。
2. The water deepened after the dam was built.
   堤坝建成後水已加深。
3. The dam was not strong enough to hold back the flood waters.
   水坝不太坚固，挡不住洪水。
4. The dam gave way; it was not strong enough to hold the flood waters.
   水坝坍塌了; 它不够坚固，挡不住洪水。
5. The village was swept away when the dam burst.
   村庄在水坝决堤时被冲走了。

dam

n.（名词）

A barrier constructed across a waterway to control the flow or raise the level of water.
水坝，堰：被建造横跨在水域上的障碍物，用来控制水位的涨落
A body of water controlled by such a barrier.
水库：由水坝或堰控制的水
A barrier against the passage of liquid or loose material, as a rubber sheet used in dentistry to isolate one or more teeth from the rest of the mouth.
橡皮障：防止液体或松散物质的坝状物，如牙科用的橡皮障，把一颗或几颗牙齿与口中的其它牙齿隔离开
An obstruction; a hindrance.
障碍物；妨碍物
v.tr.（及物动词）
dammed,dam.ming,dams
To hold back or confine by means of a dam.
用水坝阻止，用水坝限制
To close up; obstruct:
阻塞；抑制：
例句：
He tried to dam his grief.See Synonyms at hinder
他试图抑制自己的悲伤参见 hinder

来源：
Middle English
中古英语
probably from Old English *damm
可能源自 古英语 *damm

【引伸】
dam.mer
n.（名词）

---------------另--------------
dam
dam 2

n.（名词）
Abbr. d.A female parent. Used of a four-legged animal.
缩写 d.四足母兽：母兽。用于四足兽
Archaic A mother.
【古语】 母亲

来源：
Middle English dam, dame [lady, mother] * see dame
中古英语 dam, dame [女士，母亲] *参见 dame

dam
dam 3
abbr.（略语）
Decameter.
Decameter.