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1·Last fall a beaver moved into the small stream beside our house.

去年秋天，一只海狸搬进了我家旁边的小溪里。

2·Keep chewing like the beaver, and you will achieve your goal in the end.

继续像海狸一样咀嚼，你最终会实现你的目标的。

3·No one believes a beaver consciously weighs the pros and cons of each of these elements.

没人会相信一只海狸能有意识地去权衡每个要素的利弊。

4·Being an eager beaver, he sometimes is not well-liked by his colleagues. 

他做事非常卖力，有时不受同事的喜欢。

5·Hurt his back chasing a beaver.

捉海狸的时候伤到了背部。

6·The Beaver: Can You Forgive Him?

《海狸》：你能原谅他吗？

7·Mrs Beaver: Beaver, is that you?

水獭太太：水獭，是你吗？

8·The hat is made of beaver.

这顶帽子是海狸“毛皮”制的。

9·That's what I say, chimed in Mr Beaver.

“我就是这么说的。”海狸先生插嘴说。

10·The hardest part was racing Fox and Beaver.

最艰难的部分是同狐狸和海狸比赛。

海狸

1·And that was a problem for Johnny beaver, because without the aspens he couldn't dam the rivers and streams.

这对雄海狸来说可不是好事，因为没有了白杨树它们无法在河溪里筑坝。

2·Medium-sized mammals, such as beaver and snowshoe hares, can be an important secondary food source.

一些中等的哺乳动物，比如海狸以及北美野兔也是它们重要的第二食物来源。

3·Who’s to say the Loch Ness Monster isn’t an ancient beaver experiment that got out of hand?

谁又敢说尼斯湖水怪不是古代海狸实验的失败产物呢？

4·The animal is best described as a hodgepodge of more familiar species: the duck (bill and webbed feet), beaver (tail), and otter (body and fur).

把这种动物形容为熟悉物种的大杂烩最恰当不过了：鸭子(喙形嘴和有蹼的脚)，海狸(尾巴)，和水獭(身体和毛皮)。

5·If you are going to investigate the beaver dam, watch your step! (the bears are not careful where they dump!)

如果你还想要去调查海狸水坝，注意你的脚下！

河狸

1·The beaver USES its large sharp teeth gnaw it.

河狸用它那尖锐的牙齿咬树皮。

2·We may find that an island of tree branches in a lake is a beaver's home. Entrances and tunnels to the home lie underwater.

我们可能看到，湖中一个由树枝构成的小岛，原来是河狸的家。入口和进入家中的通道都在水面下。

3·Carving ye beaver family has first, now look at the effect is good, crafts people, come on, micro business next year is your world!

雕爷的河狸家已经率先试水，目前看效果不错，手艺人们，加油，明年微商界是你们的天下！

4·The American beaver has long been hunted for its velvety fur.

长期以来，人们捕猎美洲河狸，以获取它的绒毛皮。

5·And Oregon, the Beaver State, borrows its nickname from the large, flat-tailed rodent that USES trees to build DAMS.

俄勒冈州，也成为河狸之州，从一种用树木建大坝的大尾巴啮齿动物得来的。

山狸

1·I had a man once send me a chip of wood that showed the marks of a beaver's teeth.

曾经有人送我一段木片，上面有山狸的齿痕。

(1)eager beaver做事非常卖力气的人，做事勤奋的人（特别指做事过于卖力气以讨好上司的人）