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It is mixed for about two hours with some common chemicals and then allowed to cool.
VOA: special.2011.07.25
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So you need first to take the liquid helium and cool it below 53 degrees Kelvin before you can do the Joule-Thomson to cool it even further to make liquid helium.
我们首先需要,把温度江都53k一下,然后利用焦耳-汤姆孙实验,来继续冷却它。
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so I don't know, I think it's just really cool to be able to work something from the ground up.
所以，我不知道，我就是觉得能从头开始做一件事很酷。
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It is mixed for about 2 hours with some common chemicals and then allowed to cool.
VOA: special.2009.01.26
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All right, this is what's called a recurrence relation, there are actually cool ways to solve them. We can kind of eyeball it.
好，这就是所谓的递归关系,也就是解决问题的相当好的办法,我们可以来看看。
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It's a cool day because everybody gets to give balloons and chocolates and all that stuff to the person you're in a relationship in or whatever."
VOA: special.2010.02.08
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But one that I was very interested in was biology, and the reason was we did a lot of cool labs in high school, I loved doing the dissections -- it was very interesting to me to think about how different organs worked, how the heart could be a pump, how the lungs worked.
但当时我很喜欢生物学，因为我高中做了很多很酷的生物实验,我很喜欢解剖-,我觉得了解不同器官,怎么工作很有趣,像心脏怎么泵血。
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It's a cool style of music and I want to keep doing it."
VOA: special.2010.06.21
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It'd be pretty cool to see actually.
这听上去很棒啊
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It was an attempt to cool the highly radioactive fuel rods from overheating.
VOA: special.2011.03.19
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A lot of cool stuff to do, I mean, I got opportunity to work in the city. It's a great city.
有很多很棒的事情可做，我的意思是，我能够有机会
在这里工作。这是个非常棒的城市。
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It is how the body releases water to cool the skin.
VOA: special.2010.07.27
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That's funny. I mean, that's really cool. If someone is witty enough to do that, then it's awesome.
这确实很好笑，真的很酷！如果有人真的够诙谐能做出那种事，真的很棒！
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They also say it may help to wash with cool water.
VOA: special.2010.07.27
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You take your room temperature liquid helium and you cool it with liquid nitrogen to 77 degrees Kelvin, the new, you're not quite there yet 77k unfortunately right? Then you take hydrogen you cool it would liquid nitrogen to 77, then you can use your hydrogen gas.
首先要有常温的氦气,拿液氮把它冷却到77k，那个新来的7,你不坐在那儿，对吧？,然后用液氮把氢气降温到,然后就可以使用这个氢气了，想要用氢气来做焦耳-汤姆孙实验。
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"It's really cool to walk into public places, like a mall or something like that, and have people just go nuts,".
VOA: standard.2009.12.22
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it's kind of cool to be able to meet people who are higher up,
能够见到成就很高的人是很荣幸的，
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"I think it's great." "I think it's cool, and we're going to help him out."
VOA: standard.2010.07.06
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I liked the chance to be behind the camera. It was really cool.
我喜欢在镜头后面的机会。真的很酷。
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So it's kind of cool to stand in one place and see
在一个地方就能逛到
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It's a big secret. Everyone just wants to be cool.
一个大秘密。每个人都想很酷。
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it's just really cool to see them do what they do.
当你看到他们所做的事情的时候，那种感觉真的很棒！
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I hear it's a really cool place to go.
我听说这是个令人神往的地方。
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