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They're so familiar to us, we can forget how extraordinary they are.
我们对狗太过熟悉，往往忘了它们有多么无与伦比。
Even the simple act of shaking off water hides a spectacular technique.
就连简单的甩水动作都暗含着高超的技巧。
When you slow it down a thousand times, you can see the head turns a full 180 degrees.
将速度放慢一千倍，可以看到头部的摆动幅度是整整一百八十度。
This kickstarts a rotational momentum that corkscrews down the body.
因此产生的角动量顺着身体螺旋向下传递。
Expelling water from their fur quickly so they don't get cold.
用这种方式将水迅速甩离皮毛以免着凉。
If you've ever been drenched by a dog, you'll know how efficient this technique is.
如果你曾被狗甩了一身水，就能体会这门技术的高效。
Their physical abilities may be remarkable, but it's their relationship with us that lies at the heart of their success.
它们的体能卓尔不凡，但犬类如此繁荣的关键是它们与人类的情谊。
We've trained them so that they'll hunt for us, guard our homes, retrieve on command and herd our livestock.
我们训练狗用以捕猎、看家护院、听令取物，以及放牧牲畜。
But they also bring their own magic to this partnership.
但它们也会向人类展露自己的魅力。
Dogs seem to understand our needs and have a desire to help us out.
狗似乎能理解我们的需求而且乐于施以援手。
I've not taught her to do it, she's just done it.
我从没教过她，自己就会了。
Jess, come here. Here. Sit down, then. Sit. Sit.
洁丝，快过来 这里。坐下，乖，坐好。
