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It allows you to define the concept of a thermometer. You have three objects, one of them could be a thermometer.
从热的物体流向冷的物体,由此我们可以定义温度，我们还可以用它来定义温度计：
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In the first example, you could be at a social gathering and you really feel the need for some nicotine.
在第一个例子中，你可能在一个社交聚会上，你特别想找个地方抽根烟。
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We're going to have other ways of building them, but it could be a collection of all the primes. Hm.
但是我们很快就要学习到，实际上这些集合是可以是任意的。
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The cart could be a little ways up the hill, and in this case, it's enthalpy, but again, there would be lots of accessible states.
在这种状态下，小车会稍稍向山坡上移动，在现在考虑的情况下，自由焓决定一切，但是同样有很多可能的状态。
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The collateral could be a number of things including mortgages--securitized mortgages that are risky and dangerous assets.
抵押品可是很多种东西,包括抵押贷款-证券化按揭贷款,这种有风险的，危险的资产。
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This could be a vegetarian dog, a poison apple, an explosive chair, but they're typically true.
这可能是吃素的狗，有毒的苹果，会爆炸的椅子，但这种刻板印象通常都是对的。
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In addition, it had a butt made also of bronze, which could be a lethal weapon.
另外,它的尾部也是铜质的,同样也可作为一种有力的武器
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It could be a miniature worn by a Provencal damsel, no?
这很像一个普罗旺斯少女的缩略图，不是吗？
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It could be a folk tale. It could be a history book.
可以是民间传说，也可以是历史书。
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And today you wonder if there could be a Cornel West.
今天你会想也许科内尔，韦斯特就因此而不存在了。
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So notice that this could be a very early canon list.
所以这可能是一张非常早的正典书目。
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He could be a bit more unbiased and tolerant of other perspectives."
他可以对其他观点更公正与容忍“
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Well, it would be useful because if I could take cells from the skin, find stem cells in the skin and then de-differentiate them so that they were now capable of becoming liver, or brain, or things that they're not going to become in their normal site, then that could be a very powerful tool for medicine.
这是因为,如果我能取一些皮肤细胞,找一些皮肤干细胞,并将它们去分化,那它们就能分化成肝脏,大脑或其他一些,它们原本分化不出来的细胞,这可以成为一个医学利器
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In another situation, you could be at a casual lunch setting with friends, eating pizza.
在另一种情况中，你可能正与朋友一起吃一顿便饭，你们吃的是披萨。
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Iran, unfortunately, becuase of our relations with Iran, Iran could be a much bigger and better parterner in Afghnastan.
伊朗本可以发挥更大的作用，由于我们与伊朗的恶化的关系。
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And when he goes picking in the cotton fields, he imagines that he could be a slave.
当他去采棉花的时候，他把自己想象成一个奴隶。
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