1.
A beaver looking for a building site is very choosy.
河狸寻找造窝的场所时是很挑剔的。
2.
Beavers seem to know just how high to make a dam.
河狸似乎知道该把堤坝筑多高正好。
3.
A beaver could not live without his big strong front teeth.
河狸离开它大而坚硬的前牙就不能生存。
4.
The kind of construction work a beaver specializes in is truly amazing.
河狸专门从事的那种建筑工作确实令人震惊。
5.
Beaver ducked under the bulrushes and swam to his lodge.
河狸从灯心草里突然潜入水中游向家去。
6.
To make it more comfortable, a beaver carpets the floor with grass or shredded wood.
为了使巢更舒适，河狸用草或碎木铺在地面。
7.
The beavers think as they build their dams and their houses.
河狸在修水坝或垒窝的时候也会动脑子。
8.
RESEARCHES ON HISTOLOGICAL STRUCTURE AND MICROSTRUCTURE OF CASTER SACS(CASTOR FIBER BIR ULAI SEREBRENNIKOV)
蒙新河狸香囊组织学结构和超微结构的研究
9.
Habitat Conditions, Home Range and Burrow Distribution Pattern of Beavers in Xinjiang Autonomous Region
新疆河狸的栖居条件、家域及洞巢分布格局
10.
The beaver insists on a pond for his house, usually building out in the water, but sometimes in the banks.
河狸一定要把家安在池塘，通常建在水中，但有时也在岸边。
11.
Beavers may continue to build a dam over a long time, adding to it each year.
河狸可能长时间不断地修筑一条堤坝，每年都加大一些。
12.
Any of various similar or related rodents, such as the capybara, coypu, and agouti.
类似的动物类似的或相关的啮齿动物，如水猪、河狸鼠和刺豚鼠
13.
The structure of the beaver's brain gives no indication that the animal is any more intelligent than other rodents.
河狸的大脑结构并未显示出它们比其他啮齿动物更聪明。
14.
ON A NEW TROGONTHERIUM FROM HSIATSAOHWAN,SHIHHUNGHSIEN AND WITH NOTES ON THE MAMMALIAN REMAINS FROM CHI-TSU,WUHOHSIEN,ANHWEI
记安徽泗洪县下草湾发现的巨河狸化石并在五河县戚咀发现的哺乳类动物化石
15.
But a beaver's teeth are also continually growing up from the bottom as they are being ground down from the top.
当河狸的牙齿从顶部不断地磨损时，同时也不停地从根部向上生长着。
16.
Since a beaver spends much of his time in the water, a paddle tail and webbed feet are extremely useful.
由于河狸在水中呆，的时间很多，因而鳍状的尾巴及有蹼的脚就非常有用。
17.
As the beaver chews, the soft dentine behind wears away much faster than the hard enamel in front.
当河狸咀嚼时，后面柔软的牙质比前面坚硬的珐琅质，磨损速度要快得多。
18.
But gradually the wood in them decays and the beavers add more and more mud to repair them.
然而，堤内的木头会渐渐腐烂，于是河狸又往堤上加更多的泥巴来修补。