beaver

noun

1. large semiaquatic rodent with webbed hind feet and a broad flat tail
construct complex dams and underwater lodges

2. a hat made with the fur of a beaver (or similar material)

Synonym: castor

3. a movable piece of armor on a medieval helmet used to protect the lower face

4. a man's hat with a tall crown
usually covered with silk or with beaver fur

Synonym: dress hathigh hatopera hatsilk hatstovepipetop hattopper

5. a full beard

6. the soft brown fur of the beaver

Synonym: beaver fur

verb

1. work hard on something

Synonym: beaver away

1. 河狸
A beaver is a furry animal with a big flat tail and large teeth. Beavers use their teeth to cut wood and build dams in rivers.

2. 河狸毛皮
Beaver is the fur of a beaver.

e.g. ...a coat with a huge beaver collar.
大河狸领外套

相关词组：beaver away

1. 河狸：5.变更者基石物种(modiferkeystonespecies),如河狸(beaver)因构筑巢穴,阻断了河川流水量而影响了当地水族生物的生存繁衍,这一种基石物种与上述几种不同,因為并不牵涉谁吃谁的营养层次相关性,而是藉由改变环境的结构来影响其他物种.

2. 狸：数年前,水狸(Beaver)建筑水坝阻挡泉水而形成. 池水虽然淹没树林与灌木,但也创造一个适合水生动植物生长的环境. 数年之后,水草与池边植物的腐植土将陆续填满池塘. 最后,周围的森林将取而代之,成为新生的阔叶林,阔叶林也将陆续为针叶林所取代.

3. 海狸：此外他最近还完成了朱迪.福斯特(Jodie Foster)执导的影片<>(Beaver)的拍摄. 签约<>标志着吉布森重新回到了由主要制片商支持的项目. 此外,吉布森还将于今年三月开始拍摄独立动作电影<>(How I Spent My Summer Vacation),

4. 水獭：驯鹿(CARIBOU)和驼鹿(MOOSE)吃莲叶;水獭(BEAVER)吃莲藕;麝鼠(MUSKRAT)吃所有剩下的东西;至于奥季布瓦人(OJIBWA,印地安人的一支)则吃花苞,将花苞和切碎的洋葱一起放入黄油中煎五分钟即可.