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I had my head in and was about to open the lantern, when my finger slid on a piece of metal and made a noise.
VOA: special.2009.05.16
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And there is a relationship here, and that is that the number of photons absorbed by the metal are related to the number of electrons ejected from the metal. So, in this figure here what I'm actually showing is these little sunshines, which let's say are each one individual photon.
这里有一个关系是，被金属吸收的光子,和被金属逐出的电子是相关的,所以，我展示的这个图,是这些小太阳，我们这里代指每一个独立的光子。
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I used to listen to a lot of hip-hop music and heavy metal when I was younger.
我年轻的时候，我常常听一些嘻哈和重金属音乐。
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These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it might be possible to regenerate damaged joints using a patient's own stem cells.
VOA: standard.2010.08.11
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Lastly, up here, is a picture of a much smaller device, this is actually an artificial heart valve that is made of plastics and metal and can replace the valve inside your heart.
最后,在上面这里,这张图片是一个相对较小的装置,这实际上是一个人工心脏瓣膜,由塑料和金属制成,可以取代人的心脏瓣膜
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A pickup is a device that captures the vibration of the metal guitar strings and changes them into electronic sound signals.
VOA: special.2009.09.27
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So, you might ask then well what is the significance of shooting different amounts of photons at a metal?
所以，你们可能会问向,金属发射不同数量的光子,有什么重要性？
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Workers stand outside stores, ringing a bell and collecting money in a red metal kettle from shoppers passing by.
VOA: special.2009.11.02
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Mercury is a liquid metal, and mercury, the planet, is the fastest moving naked eye heavenly body. Mars, iron, why is Mars red?
水银是液态金属，水银，行星，是肉眼能看到的运动最快的天体,火星，铁，为什么火星是红色的？
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A stencil is a thin sheet of metal or plastic out of which a design has been cut.
VOA: special.2009.09.02
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The magnet creates a field which changes the polarity of a tiny, tiny portion of the metal particles which coat each platter's surface.
这个磁体创建一个,能改变覆盖在,磁盘表面小金属粒子的磁极。
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In some cases,instead of a cast, a splint made of plastic or metal will be secured over the area to restrict movement.
VOA: special.2009.02.04
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A car is just some metal, plastic, rubber.
汽车就是铁，塑胶，还有橡胶组成的。
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Then he used the plaster form as a guide to make the final statue out of bronze metal.
VOA: special.2010.05.31
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Yet, they wanted to get clean and so what device they used was to take oil, typically olive oil, spread it on themselves, then get a scrapper, a metal scrapper, and scrap off the oil with it what was underneath the oil.
当他们想要保持清洁时,他们所使用的东西就是油,通常是橄榄油,把橄榄油抹在身上,然后拿一个刮板,金属刮板,把污垢和油一起刮下来
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Now,at last, the two coasts of the United States were united by a single line of metal rail.
VOA: special.2010.02.25
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So, the active part of the thermometer could be water. It could be alcohol, mercury, it could be a piece of metal.
那么温度计的工作部分,可以是水可以是酒精，水银，可以是一块金属。
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A book drop is the small metal door in the wall of the building where people can return books when the library is closed.
VOA: special.2009.02.23
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and we are a black, Afro-American heavy metal group.
我们是一个由非裔美国黑人组成的重金属乐队。
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Once again, he took off a metal band from his arm and gave it to me.
VOA: special.2010.07.31
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Due to an explosion, a metal pipe went through his head like so.
由于一场爆炸,一根钢管刺穿了他的脑袋,就像这样
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He slowly took off a metal band from his arm and held it out to me.
VOA: special.2010.07.17
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This device held here is really made of mainly plastic and a little bit of metal.
这个装置大部分是用塑料做的,还有一点金属
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A compass is a device containing a metal object that points toward the magnetic north pole.
VOA: special.2010.07.14
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So, for example, we were talking about a threshold frequency as in a minimum frequency of light that you need in order to eject an electron from a metal surface.
举个例子来说，我们谈论的临界频率是,光从金属表面逐出一个电子,所需的最小频率。
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Glassblowing involves gathering hot liquid glass on the end of a metal pipe called a blowpipe.
VOA: special.2009.09.16
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And often, if you want to make a lot of it, you have to think about the thermodynamics of the system, how fast the reactions will go and kinetics, and then whether they'll go, the thermodynamics, and sometimes then you need to adjust the reactions, maybe use a transition metal to make it go better.
这种分子就不能正常工作，而且通常来说,如果你要大量生产一个东西,你必须考虑系统的热力学，反应速率和动力学,还有反应是否会发生，热力学，而且有时候你需要调整反应的发生。
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You are no longer a captive but wear the metal of great rank among their people.
VOA: special.2010.07.31
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that's one way to think about it, and there's also another way, and this is the way that your book presents it. If you, in fact, have two of the same atom right next to each other, let's say you have a crystal, or let's say you're talking about a metal, what you can do is just look at the distance between the two nuclei, and split that in 1/2, and take the atomic radius that way.
这只是一种定义的思路，另外还有其它方法，也就是你们课本上的方法，如果你，事实上，有两个相同的原子彼此靠在一起，比如说你有一个晶体，或者说你讨论的是一个金属，你所要做的就是,看看这两个原子核之间的距离，然后将距离除以二，就得到了这个原子的半径。
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Basically what he did is he took a very thin metal foil and he bombarded it with charged particles.
简单的说他做的工作是,用一张非常薄的金属箔,然后用带电的粒子轰击它。
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