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That happens because of space issues that you were asked to do that, because you can always assume that all of the core orbitals are already going to be filled.
这是出于空间的考虑,要求你这么做是因为，你总是可以假定所有的,芯电子轨道都已经填满了。
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You can always count on seeing tourist on the train with an American Girl bag or an American Girl box
你总是可以在火车上看到拿着“美国女孩”的包和盒子的游客，
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In terms of where different atoms are in a molecule, if you have a hydrogen atom or a fluorine atom, you can pretty much guarantee they're always going to be terminal atoms.
对于不同原子在分子中的位置，如果你有一个氢原子或者一个氟原子，那你基本可以保证,它们总是最末端的原子。
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Hardy wants to use really old dialect words, when he can, and there's power in that. And this is a poem composed in 1915.
哈迪在他可以的时候总是想使用真正的古代方言，而在其中是有力量的，这是一首在1915年作的诗。
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And "Dog" Is also a morpheme, but not always because there are single morphemes and then there are words that are composed of many morphemes.
狗"也是一个语素,但词和语素并不总是相同,因为语素是独立的,但词却可以由很多语素组成
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Everyone knows from calculus that if you're trying to find a function about which you know only the derivative, you can always add a constant to one person's answer without changing anything.
学过微积分的人都知道,如果你想根据已知的导数,求出其原函数,你总是可以给某人的答案,随便加一个常数,且不影响结果
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And my real answer is, go try it out, because obviously you can tell I frequently do this the wrong way and the TAs give me a hard time every time. John.
你可以，而我真正的答案是去试一试吧,因为很明显你可以发现我老是做错,而我的助教总是给我难堪，约翰。
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And just to give you some small defense of that approach, I always like to ask students, "Suppose we didn't have a single historical record, no newspaper, no diaries. You know nothing totally reliable for what happened in the latter part of the eighteenth century in America."
我可以给你们一个反驳的理由,我总是问学生们,"如果没有历史文献,报纸和日记,那么对于美国十八世纪后期的历史,你们将一无所知"
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You'll hear them all the time and you should be using them all the time as well.
你会总是听见人们在使用这个句型，你也可以经常使用到生活中。
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It depends on the class, like, organic chemistry, for instance, is always open book, open notes.
这要看是什么科目，例如说有机化学总是开卷考试，可以看笔记。
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I'll see, like, some people, you know, playing guitar on the street corners.
我总是可以看到很多人在街角弹吉他。
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You could always find a portfolio that had a higher expected return for the same standard deviation.
你总是可以找到一个投资组合,具有较高的预期回报,而标准差不变。
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There's a sense in which you can see this happening all the time in Areopagitica.
你可以看到这个情况在《论出版自由》中,总是不断发生着。
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In other words, we choose a convention for the zero of entropy, so that then we can write entropies of products and reactants always referring to the same standard state.
换句话说，我们选择了一个,焓零点的约定，这样我们,就可以总是相对于同样的标准,状态写出生成物和反应物的焓。
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And you can always feel like there is people to talk to,
你总是觉得有人可以一起交谈，
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So I'm always looking for a place to keep my camp.
所以我总是要寻找可以宿营的地方。
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When we look at this angular part, we see that it's always the square root of 1 over 4 pi, it doesn't matter what the angle is, it's not dependent on the angle.
当我们看这角向部分，可以看到它总是等于１除以４pai开根号，这和是什么角度没有关系，它和角度无关。
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So you don't want to put in a negative energy, that's not going to help you out, you need to put in positive energy to get an electron out of the system. So that's why you'll find binding energies are always negative, and ionization energies are always going to be positive, or you could look at the equation and see it from there as well.
因为这对电离没有帮助,你需要一个正的能量,使得电子脱离这个系统,这就是为什么你会发现,结合能总是负的而电离能总是正的,或者你们看这个方程也可以发现这一点。
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So, no matter whether or not you write out the full form here, or the noble gas configuration where you write ne first or whatever the 3s1 corresponding noble gas is to the core electrons, we always write out the valence electrons here.
所以无论你是否,写出了完整形式，或者对应于价电子的惰性气体,再一次,我们可以写Ne然后，我们总是可以在这里写出价电子。
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