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Given this information, many people want to know how safe is it to travel?
VOA: special.2009.07.14
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I don't know how many kids, generation after generation, get in trouble because they do not remember the following fact.
我不知道有多少孩子,一代又一代,因为没有记住下面的内容而遇到困难
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But for the most part, I mean, I've seen... I don't know how many times I've seen paparazzi almost get hit by cars.
但是大部分情况下，我是说，我见过……我都忘了多少次我看到狗仔队差点被车撞上。
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Dr.Vallenas says many mothers are discouraged from breast-feeding because they do not know how to get their baby to latch on properly to the breast's nipple, or because they suffer pain and discomfort.
VOA: standard.2009.08.01
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You can go ahead and use that equation, or you could figure it out every time, because if you know the total number of nodes, and you know the angular node number, then you know how many nodes you're going to have left.
你们可以直接用这个方程，或者每次都自己算出来，因为如果你们知道了总的节点数，又知道角向节点数，就知道剩下的节点数是多少。
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People don't usually know how many shares are outstanding in the company that they invest in.
人们通常不知道,他们所投资的公司到底发行了多少股票
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I don't know how many of you have not read any Plato before, but for those of you who haven't, I actually think you're in for a treat.
我不知道你们当中有多少人,之前未曾读过柏拉图的作品,但是,还未拜读过柏拉图的同学们,我敢肯定你们会喜欢上他的
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I don't know how many of you have used that resource.
我不知道你们有多少人利用过该资源。
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You need to know if it's an equilibrium, and you also need to know how many components you have in your system So, a glass of ice water with an ice cube in it, which is a heterogeneous system, has only one component, which is water, H2O.
要知道它是不是平衡的，你还需要知道,你的系统中有多少组分,一杯放了冰块的水，虽然它是个非均匀系统，但它只有一种组分，那就是水。
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And so you're able to take... I don't know how many there are.
所以你可以做一下以前的考题……我不知道总共有多少份。
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I think you should take the lab sometime, but I don't know how many semesters that you have to take.
我觉得你们应该是不是地去做几次实验,我不太清楚你们要上多少个学期的课
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It just needs to know how many bytes of memory do you want?
它需要知道你想分配多少字节的内存？
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I don't know how many years it was.
我忘了是多少年前。
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For example, you can bring people into a lab or something like that and show them food and say, well can you estimate how many calories are in this, and you actually know how many calories are in it, and you get the error.
比方说,带一些实验对象进入实验室,向他们展示一些食物并问,你们能估计这些食物含有多少卡路里吗,人们认为自己对卡路里含量心里有谱,但他们错了
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What's important about the construction of St. Petersburg-- I don't know how many of you have ever been there; I haven't been there for a very, very long time-- this city is not like Moscow at all.
那么修建圣彼得堡到底有什么重要的意义呢,我不知道你们之中有多少人去过那儿,我并没有在那个地方逗留过很久,但这座城市和莫斯科完全不一样
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How many people here are sort of complicated, ambidextrous, don't know, "Bit of the right, bit of left" people?
有多少人是有些不确定,左右都行,说不清,"时左时右"
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This will be the definition of the mole as the amount of carbon weighing exactly 12 grams, so I would like to know now how many particles, how many carbons are there in that mole.
摩尔的定义就是,12克的碳的数量，我想知道有多少粒子，一摩尔会有多少碳粒子。
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How many of you know what iambic pentameter is?
你们有多少人知道抑扬格的五音步格诗？
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Now I call that, and it says, 20 tell me how many heads you want, give it a 20, and tell it how many legs 56 you want, give it 56, and it prints out the answers. I know, whoop-dee-doo.
请告诉我你想要几个头，设为，然后告诉它你想要几条腿,设为,最后它会打印结果，哇哦。
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But that formulation seems in many ways to be question begging. How much precision does the subject allow? How do we know?
所允许之外的精准,但这样的逻辑本身即,在很多方面启人疑窦？
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How many don't know--a rousing show of hands here--don't know who wrote Chicago?
多少人不知道,原来有好多人不知道,芝加哥是谁写的
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I don't know how many know that there are trace, trace amounts, of cyanide in almonds.
我不知道有多少人知道在杏仁中有非常，非常微量的氰化物。
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One of the stories that is often told is the goldsmith banker's story that goes back I don't know how many hundred years.
经常被人们提起的一个故事是,金匠银行家的故事,它可以追溯到,我不知道是几百年以前了
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I don't know how many of you have read Tale of Two Cities.
我不知道你们中多少人读过双城记。
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It doesn't mean anything until you know how many shares are outstanding because if I own one thousand shares and then you look it up and find out how many shares are outstanding-- there are one thousand-- you say, hey I own the whole company.
这毫无意义,除非你知道总共发行的股票数量,如果你有十手股票,但后来发现,总共发行的股票数量,就是一千股,你就可以说,整个公司都是我的
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What I just spent many lectures discussing is the fact that we can not know how far away an electron is from the nucleus, so we can't actually know the radius of a certain atom.
我花了这么多课时所讨论的正是我们,不可能知道电子离原子核有多远这一事实，因此我们不可能知道某个原子的半径。
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how many teachers working in the classroom ? day in and day out know about the Pygmalion effect?
有多少教师在课室努力工作,日复一日地研究皮格马利翁效应？
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So this means we can actually calculate this for any molecule that we've drawn the Lewis structure for, because we actually do need to draw the Lewis structure before we know, for example, how many of each of these we have, or at least go through the rules.
这意味着我们可以将原来画过,路易斯结构的分子的形式电荷计算出来，因为我们其实在画出,路易斯结构之后才能知道，比如，这些量的值是多少，或者至少我们需要经过前面的那些步骤。
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How many of you know more than one language pretty fluently?
你们有多少人能熟练掌握不止一门语言
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Go through these names and circle how many people you know.
看这些名字，把认识的圈起来。
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