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Some people who like to eat very hot chili peppers say that they can help you breathe better if you have a cold.
VOA: special.2009.04.21
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I'm hot, compared to the air of the room, or cold if I'm somewhere that's warm.
我相对于室内的空气是热的，或是冷的如果我呆在一个温暖的地方。
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I mean, the weather is always nice. I mean, it never gets too cold, never gets too hot.
天气一直很好。不会太冷，也不会太热。
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Do this when the weather is not too hot and not too cold.
VOA: special.2009.04.28
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But the roles are reversed in the following passage, and this is where the text blows hot and cold.
但是在接下来的文章中角色互调了，这是文中描述冷热无常的情景。
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What that means is we want to run the hot reservoir as hot as possible and the cold reservoir as cold as possible.
也就是说我们希望高温热源温度尽可能高,同时低温热源温度尽可能低,从原理上说。
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You see like the hot periods and the really cold periods.
你可以看到酷暑时节和寒冷时节。
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The colder that cold reservoir is, the hotter that hot reservoir is, the better off we are.
低温热源温度越低，高温热源温度越高，效果就越好。
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You can feel something cooling off right. I mean simple examples of these happen when you you know, if you buy cold or hot packs.
可以立即反应的东西,你可以感到有的东西会冷却，对吧？,我是说，举个简单的例子。
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You know the heat isn't going to flow from a cold body to a hot body without putting some work in to make that happen.
大家知道热量不会自发地,从冷的物理流动到热的物理,除非对它做功。
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When something hot, it's got a higher temperature than when something is cold.
当某样东西是热的时，它的温度,比冷的东西要高。
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In fact, there's a rabbinic image, there's a rabbinic tradition that talks about this period of time, and has God and Moses talking, and God says: Listen, between the two of us, whenever I blow hot, you blow cold, or when I pour hot water, you pour cold, and when you pour hot, I'll pour cold, and together we'll muddle through, and get through here.
事实上，这里有一个与犹太律法相关的意象，犹太律法传统,描述了这段时间中，上帝和摩西又一次谈话，上帝说：“听着，在我们两个人中间，当我吹热风，你要吹冷风，当我泼热水，你要泼冷水，当你泼热水的时候，我们泼凉水,我们将一起应付各种情形。
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You couldn't just run something successfully in a cycle and get work out of it, using the heat from the hot reservoir, without also converting some of the heat that came in to heat that would flow into a cold reservoir.
如果一样东西在循环工作过程中,只有热从高温热源中流出，而没有热流入低温热源，那么此过程,不可能对外做功,不可能把所有热。
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the zeroth law, which is the common-sense law, which says that if you take a hot object next to a cold object, heat will flow from the hot to the cold in a way that is well defined, and it allows you to define temperature.
上节课我们讨论了，热力学第零定律,这一定律源自常识：如果把一个热的物体,与一个冷的物体挨在一起，热量就会以确定的方式。
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So again, hot and cold. And in many ways, Moses sets the paradigm for the classical prophet.
所以又一次，一冷一热，在许多方面，摩西为先知塑造了一个良好的典范。
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And we had the similar statement by Kelvin about the heat engine that required that some heat gets dumped into a cold reservoir in the process of converting the heat from the hot reservoir into work.
相同的陈述,同样的有开尔文表述：,把热量完全从高温热源,转移至低温热源的过程中,必然有功的输出。
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The whole thing is being powered by sending heat from the hot to the cold reservoir.
所要做的所有事情,就是把热量从高温热源输送到低温热源。
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That's common sense. This is part of your DNA, And then their final product is an object, a b which ends up at a temperature or a warmness which is in between the hot and the cold.
这是常识，是你的一部分，它们的最终产物是一个物体，其温度或温暖程度,介于热与,冷之间。
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