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Buff is also a soft cloth used to rub a surface until it looks bright and shiny.
VOA: special.2009.05.17
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They're stuck to a surface that's provided by the environment that's around them, they're not swimming free in solution.
他们黏联在,周围环境的表面上,而不会在溶液中自由运动
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The reason you have to get it out of your head is you need to be able to see it on a surface that is not in your mind.
这么做的原因是,你需要,客观地观察它,而不是看它在你大脑中的样子。
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It has a surface area of almost twenty thousand square kilometers.
VOA: special.2009.08.19
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In some senses most of the cells in our body are stuck to a surface.
大部分情况下,我们体内的细胞都黏联在某个表面上
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The robots were moving on a surface where they could slide.
VOA: special.2009.04.24
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That is the lowest point on the earth's land surface so this dramatic drop in just a very short geographical area.
这是地球陆地表面的最低点,这急剧下降是在很短的地理范围内。
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"So typically we report those positions, tell them what we see, that it could possibly be seaweed, and they can vector a surface asset to confirm."
VOA: standard.2010.07.05
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Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.
是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。
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It says they should be placed on a separate sleep surface from their parents,without blankets, pillows or other soft bedding.
VOA: special.2009.08.26
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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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Space scientists have collected a wealth of information from spacecraft that have orbited,landed on and dug into the Martian surface.
VOA: special.2010.07.28
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When you're falling to the surface of the Earth, you are describing a problem of constant acceleration.
当你讨论下落问题时,你在描述一个加速度恒定的问题
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With shadow puppets, the puppeteer stands behind a white cloth surface and rests the slightly see-through puppets against the cloth.
VOA: special.2009.09.23
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There is a 1% chance it is beyond, but the 99% surface is spherical.
只有1%超出了，至少是99%可能位于的范围的轮廓。
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One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.
VOA: special.2009.01.20
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This surface layer thickens at an early stage in a mouse after 8 days of development.
发育8天后，老鼠早期胚胎的,外胚层开始增厚。
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They can develop as flat, discolored areas of skin or as raised growths, often with a rough surface.
VOA: special.2010.07.06
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is very close to its surface a kind of anal-phase parable.
和那种肛门期的寓言很像。
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The researchers say the report offers evidence that one or more comets were responsible for a sudden cooling period on Earth's surface.
VOA: special.2009.01.20
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The Prince appears, on its surface, to be a most conventional work.
君王论》表面上展现出，是一本最拘于常规的书籍。
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Armstrong began to describe what he saw: "The surface appears to be very, very fine grain,like a powder.
VOA: special.2009.07.15
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We talked about host cells that are perhaps infected with a virus, displaying pieces of that virus, antigenic pieces of that virus in the context of a surface receptor called MHC-1, presenting that.
我们说到过,可能受到病毒感染的宿主细胞,表现出病毒的一部分特征,病毒的抗原部分,其表面受体称为主要组织相容性抗原-1,MHC-1负责呈递抗原
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It is a small device that you move around on a flat surface in front of a computer.
VOA: special.2010.08.01
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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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Embroidery work involves using colored yarn and a needle to create designs on the surface of cloth.
VOA: special.2009.11.04
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Then, your muscle cells would start producing Hepatitis B surface antigen and your immune system recognizing that's a foreign protein would start responding to it.
于是,肌肉细胞将会,开始制造乙肝表面抗原,然后免疫系统就会识别出,那是外来蛋白质并且产生免疫应答
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The artist draws an image with oily ink onto a piece of stone or other flat surface.
VOA: special.2009.09.02
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It is a protrusion of the cell sticking out of the epic al surface.
伸出细胞的美丽表面。
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The surface of the Republic reveals that it is a dialogue.
理想国》的表面展现出,这是一场对话。
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