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So he runs around the park with my daughter with the stroller and runs a lot.
他用婴儿推车推着女儿围着公园跑，而且会跑很久。
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Now I know how you like to tweet your female relatives "It says right here and we signed it."
我知道，你会在推特网上给你的女性亲友留言说,“这是法律条约规定的，我们已经签署了的“
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So, what they do is, the first time they might scratch at the bars, push at the ceiling, dig at the floor, howl, etc.
起初小猫可能会抓栏杆，推顶棚，挖底板，吼叫等等。
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But we all know that the reason things come to a halt when you push them is, there eventually is some friction or drag or something bringing them to rest.
但我们都知道,推完之后会停下来的原因就是,最后还是有某种摩擦或者拖拽,或者别的什么使得物体静止下来
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how many would push the fat man over the bridge?
有多少人会选择把那胖子推下桥？
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We'll revert especially to the notion of "pushing" in other contexts later in the course, but for the moment you can see the way in which there is a tension between that which pulls and that which pushes which is one of the motive forces of the story.
以后我们会在,其他作品中回归“推“的本意，但是现在我们能看得出来,在推和拉之间有一种张力,这也是整个故事发展的动力之一。
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This thing, if you now go ahead and very gently corrupt a few of the bytes, you can see that you can push down on that thing pretty easily.
如果我们很小心的,损坏了若干字节，你将会发现很容易把这个东西推下去。
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So what we see is on ammonia here, 107 we know that it's less than a 109 . 5, it's actually 107, so it's less than a 109 . 5, because of that lone pair pushing down in the bonding electrons.
我们看到在氨分子里，我们知道它比１０９．５要小，它是，所以比109。5要小，因为孤对会把成键电子向下推。
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What do you do the rest of the time? Just push?
剩下的时间你会干什么,就是推吗
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Somehow, if you could manufacture a really smooth frictionless surface, that if you took a hockey puck or something and an air cushion and you give it a push, in some idealized world, it'll travel forever.
如果你制造一个绝对光滑无摩擦的表面,然后在上面放个冰球或者别的什么,或者气垫,然后推它一下,在理想条件下,它会永远运动下去
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One way is to just use your common sense and realize that if you push it this way, these two guys are going to move together.
第一种方法就是你可以通过常识感觉到,如果你这样推它,这两个物体会一起运动
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