4周搞定2000+托福核心词
海狸
beaver
常考释义
And remember what I said about groundwater, imagine if we still had all those beavers around, all those wetlands, what would our water supply be like then?
请记住我说过的地下水;想象一下，如果我们还有那些海狸在周围，所有的那些湿地，那我们的供水会是怎样的呢？
来源于：听力OFFICIAL13 L2n. 海狸
“Innovative Beaver Habitat?” he says.
“新型海狸栖息地？”他问。
He's a beaver, Mom. That's what they do.
它是海狸，妈妈。这是它们的天性。
来自《海狸》
图片源自网络
And remember what I said about groundwater, imagine if we still had all those beavers around, all those wetlands, what would our water supply be like then?
请记住我说过的地下水;想象一下，如果我们还有那些海狸在周围，所有的那些湿地，那我们的供水会是怎样的呢？
来源于：听力OFFICIAL13 L3Now, beaver populations are on the rise again, but there’s something to think about.
现在，海狸种群再次上升，但有一些需要思考。
来源于：听力OFFICIAL13 L3Precisely! So the beaver in this ecosystem is what we called a keystone species.
准确地说，在这个生态系统中的海狸就是我们所说的一个关键种。
来源于：听力OFFICIAL13 L3But when Europeans came, they started hunting the beavers for their fur, because beaver furs were really warm and it was really popular for making hats in Europe, so the beavers were hunted a lot, overhunted; they were almost extinct by the 1800s.
但是，当欧洲人来了，为了它们的皮毛他们开始狩猎海狸，因为海狸毛皮是真的很温暖，在欧洲用这个做帽子是非常受欢迎的。所以，海狸被猎杀了很多，过度捕杀，到19世纪位置，它们几乎绝迹，
来源于：听力OFFICIAL13 L3Yeah, well, there used to be beavers all over the place, um, something like two hundred million beavers just in the continental United States.
是的，曾经在那里到处都是海狸，大约有2亿海狸，仅在美国大陆。
来源于：听力OFFICIAL13 L3Female student: OK. Well, beavers live near streams and rivers and they block up the streams and rivers with, like, logs and sticks and mud.
学生：OK，海狸住在小溪和河流附近，它们用原木、棍棒和泥阻止了溪流和河流。
来源于：听力OFFICIAL13 L3Professor: OK, wait. I see where you’re heading with this, but before we go into how European settlement affected the ecosystem, tell me this, what kind of environment do beavers live in?
教授：OK，等等，我看到你用这个朝什么方向发展，但在我们进入欧洲如何影响生态系统之前，告诉我这个---海狸生活在什么样的环境下？
来源于：听力OFFICIAL13 L3No one believes a beaver conscientiously weighs the pros and cons of each of these elements.
没有人会相信海狸有权衡利弊的能力。
来源于：听力OFFICIAL16 L5Beavers will cut down only large trees that are close to the water.
海狸只会推倒距水较近的大树，
来源于：听力OFFICIAL16 L5Now, I would’ve thought the bigger the tree, the farther the beaver would be willing to travel for it.
现在，我们当然会觉得如果树木越大，海狸为了获得这些树木的木材而进行远距离走动的意愿也就越大。
来源于：听力OFFICIAL16 L5Beavers certainly go farther from the water to an Aspen tree than for an Ash tree.
海狸们如果需要杨树的话，它们当然需要比获得灰树走得更远。
来源于：听力OFFICIAL16 L5First, let’s say a beaver could get the same amount of wood from a single large tree when it has lots of branches as it could get from three small trees.
第一，我们假设当一棵大树有许多枝干，所以海狸能够从它身上获得的木材总量相当于三棵小树，
来源于：听力OFFICIAL16 L5Beavers peel of the bark to eat and they also use the branches for building their shelters.
海狸们把杨树桩剥皮为食，用杨树枝修筑居所。
来源于：听力OFFICIAL16 L5Beavers eat plants, mostly trees, and they also use trees and tree branches to construct their homes in streams and lakes.
海狸是素食类动物，主要吃植物。但同时他们又利用树木和树枝来建造自己的住所，
来源于：听力OFFICIAL16 L5n. 海狸皮毛
He hoped to do brisk trade with the natives for beaver pelts he could sell to European aristocrats.
他希望与当地人进行简单的贸易，用他的斧头换海狸皮，然后再转卖给欧洲贵族。
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