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One such material is asphalt, a substance often placed on top of buildings and used to cover road surfaces.
VOA: special.2010.03.02
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You need a substance and then that substance has to have a property that changes depending on the heat flow, i.e., depending on whether it's sensing that it's the same temperature or different temperature than something else.
你需要某种物质,它的某种性质,随着热量的流动而改变，也就是说,依赖于它是否感觉到它,与其他的物体处于相同的温度。
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It is a substance self which therefore endures through time, thus thoughts and actions at different moments of time may pertain to the same self.
因此不同时期的行为和思想,可能会从属于同一个，好，那么我们怎么编码实现这个呢？,听起来像个人工智能的问题。
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A BTU is the amount of heat energy needed to raise the temperature of about one-half kilogram of a substance by one degree Fahrenheit.
VOA: special.2010.11.23
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You need that object to be a substance, to be something.
这个物体得是某种物质，某种实体。
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He made everything - except coffee - from sourdough, a substance used in making sourdough bread.
VOA: special.2009.01.24
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An agonist is a substance that mimics the action of a natural ligand, and I show you a couple of examples of agonists here.
激动剂是能够模拟天然配体分子的物质,在这里我给出了一些激动剂作为例子
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The female mosquito uses its thin sucking tube to break the skin, find blood and inject the victim with a substance that keeps blood flowing.
VOA: special.2009.05.26
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A nutrient is considered a substance within the food, that's when it digests it, absorbs, promotes some bodily function, so that it has some metabolic health value when people consume it.
营养素是包含在食物中的物质,由人体消化,吸收,推动身体机能,食品必须具有值得人类去代谢的健康价值
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Ultraviolet light from the sun changes a substance in the skin into vitamin D.
VOA: special.2009.04.21
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And so he concluded, "I knew that I was a substance, the whole essence or nature of which is to think, and that for its existence, there is no need of any place nor does it depend on any material thing.
因此,他总结到,"我知道我是个实体,是思考主体的本质或本性,而这种思考主体的存在,无需任何空间,也不依赖于任何有形实体
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Drop several seeds over the surface of the pot and cover with a thin layer of vermiculite, a substance that can hold air, water and nutrients.
VOA: special.2009.04.21
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When I realized that I was writing plays, I read a lot more plays for style and for substance and for technique.
当我意识到我在写剧的时候，我会读更多剧本来学习形式,内容和技巧。
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A substance that can produce deadly levels of cyanide when eaten must be removed.
VOA: special.2010.06.08
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If you have a large number of atoms in an aggregate, it is going to require that the substance turn solid and condense at room temperature.
如果有很多原子进行聚集，在室温下,会使的物质转变成固体状态。
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The scientists gave some of them a substance from apples called polyphenol antioxidants.
VOA: special.2011.03.29
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The matter the substance the material basis of a regime concerns its citizen body.
本质，政体的物质基础,是其公民本体最关心的。
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He was studying a substance in the hull that covers rice.
VOA: special.2009.04.21
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As I said, it's a particularly hazardous substance, this is worked with in fume hoods.
就像我说过的，这是特别有害的物质，在通风柜中才能用。
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Tar is a substance produced when tobacco leaves are burned.
VOA: special.2010.03.09
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Some other kind... the body is a material substance.
而其他的一些东西...,比如肉体就是物质实体
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The researchers say their study shows a vaginal gel substance reduced the risk of HIV infection among women who used it.
VOA: special.2010.07.21
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We have a lot of rigor, a lot of substance.
大量精确的实质内容。
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Scientists at the Goddard Space Flight Center in Greenbelt,Maryland, found the substance glycine in material brought back to Earth from a comet.
VOA: special.2009.09.30
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This would an example of a substance that inhibits the action of a natural ligand and they can inhibit in a variety of ways.
这类物质能够以多种方式,抑制天然配体的作用
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Her experiments for the project were supposed to produce a clear substance similar to a thick syrup.
VOA: special.2010.02.09
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We have a substance.
我们有一种工作物质。
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Cells in the airways begin to produce too much of a thick, sticky substance called mucous.
VOA: special.2009.07.28
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And, in fact there's a technique of analysis used today that's called Rutherford back scattering where people actually saw that this is a means of identifying the substance, the sample.
事实上这是现在用的一种分析技术,称作卢瑟福背散射,就是人们实际上看到的那样,这是鉴别物质样品的一种方法。
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One even might go so far as to say that it could be a controlled substance.
其中有一种甚至到目前为止,还是受管制药物
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