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I've got to go to the first place, figure out how far over to skip, go to the next place, figure out how far over to skip, eventually I'll be out the door.
需要多长时间？,这太离谱了，因为我需要先去第一个元素,计算出下一个元素。
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Make a lot of the virus, it has all of its antigenic epitopes on it, but we'll just kill it so that it can't replicate.
先增殖出大量的病毒,病毒表面有特定的抗原决定簇,然后杀死病毒使其无法复制
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Let's just draw a picture of that; we'll come back to this in a minute.
我先画出图像,一会再细说
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the first step in any Lewis structure is drawing the skeletal structure.
画任何路易斯结构第一步,都是先画出它的骨架。
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The other way is, I toss the coin first and I can conceal the outcome and then I ask, how much would you like to bet?
第二种,我先掷出硬币,然后盖住,问你,你愿意下多少赌注
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Okay, so the rule for adding the two vectors is, you draw the first one and at the end of that first one, you begin the second one.
矢量的加法法则就是,先画出第一个矢量,然后在它的终点,再画第二个矢量
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The suggestion Plato seems to be making by making Thrasymachus blush is, despite all of his tough talk, that he's not as tough as he appears to be, as he wants to think of himself to be.
柏拉图的暗示似乎是透过,让，Thrasymachus，感到困窘，先不管他先前那些顽固的言论，展现出他其实不像表现出的那般顽固，不像像他自己认为的那样顽固。
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They differentiate, they make many copies of themselves - I'm sorry they proliferate, they make many copies of themselves, and then they differentiate into antibody production machines.
它们开始分化,再制造很多自身的拷贝,对不起应该是先扩增,扩增出很多自身的拷贝,然后分化成为制造抗体的机器
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Hydrogen, we can first draw in our atomic electrons.
氢原子，我们可以先画出原子电子。
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Let me just solve this for--let's solve x1 for r.
现在我们先解出用r表示x1的关系等式。
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So instead you'd have to maybe if you start with wavelength, go over there, and then figure out velocity and do something more like kinetic energy equals 1/2 n b squared to get there.
这时你要先从波长开始，到这，然后算出速度,然后像动能等于1/2nb平方得到这。
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Because HIV is an RNA virus and if it enters your cell the only way it can replicate, it can put its DNA into your cells, is by first making DNA out of its RNA genome.
因为HIV是RNA病毒,如果它进入你的细胞,它复制自己的唯一方式,它能把自己的DNA转入你的细胞,方法是先用自己的,RNA基因组制造出DNA
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