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What do you think? Even with these glasses on, I can see no hands up, any suggestions? Somebody help me out.
戴着眼镜我也能看出来没人举手，有想法么？大家来帮帮我吧，你们对这个算法的增长率是怎么认为的？
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But I sometimes, I come just walk around, look at Yankees Stadium as you can see behind me
但我有时候过来附近只是散散步，看看位于我身后的洋基体育场，你也看到了。
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Actually, let me put it on this board so you can see it.
让我写到黑板上吧,这样你们能看到它。
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But it's been very interesting to me and researching this book, you can see how there are very many sides within specific religious communities.
但我对此很有兴趣,研究一下这本书，你会发现,立场观点是多么地五花八门,各个宗教团体内都是如此。
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I don't know if you can see, probably not, what's written on here, so let me point out to you a few things.
我不知道大家是否知道，这很可能不是其中的一种，那么让我来为大家指出一些事实。
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If you'd like to see me subtitled in Spanish can you actually watch CS50 this year in Spanish and soon two dozen languages?
如果你想看带西班牙语字幕的视频,今年CS50课程里就能看到,以后我们还会添加24种语言的字幕？
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And your dad is like, "Oh, give me a big hug, I can't wait to see you."
你的爸爸说，“哦，来赶紧给爸爸抱一下，我等不及要见你了。”
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You can see the atomic mass unit will be, excuse me. Let me go at it a different way.
你可以看到原子质量单位就是，不好意思，我们换个方式说。
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Let me just show you that by maxing them up and you can see they are exactly the same.
我放大一下,大家来看他们如何一样。
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Let me show you some examples so you can see what I mean.
下面我们来看几个例子，好让你们明白我的意思。
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Okay. Just because you are not making eye contact with me doesn't mean I can't see you. Okay.
好了，你们跟我没有眼神接触,不代表我不能看到你们。
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What kind of themes? Let me talk a little bit about some of them. Let me just talk about, oh, about three or four of them, just so you can see what hopefully you'll be getting yourself into.
什么主题,这方面我说一说,我就说说,其中的三到四个,这样你就能明白,你要学什么
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Yeah, if my machine will come back up, there we go. So, I'm going to now go ahead and write a little piece of code, and I put it here and I hope you can actually see these better this time, let me uncomment that region.
让我们写出代码来吧，好，如果我的电脑能回来的话,好了，那么，我要去写一小块代码,我把它放在这里以期望大家这次,能看的更清楚点。
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I left out the noble gases here because they do something a little bit special, and actually, I'm going to give you one last clicker question today to see if you can tell me what you think noble gases do.
我并没有把稀有气体算在里面,因为它们的电子亲和能有点特别，实际上，我将会把这作为今天的,最后一个选择题，来请大家告诉我,你们觉得稀有气体电子亲和能应该是怎样的。
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So, for example, if we look at sodium channels, and sodium channels are some of the particularly prevalent ones when we're talking about neurons, if you think about the cell membrane, and this little green cartoon is me trying to show a sodium channel here, and in this case, you can see that it's closed, such that no ions are getting through.
比如，让我们来看一下钠离子通道，钠离子通道是我们会经常遇到的几个之一,在讨论神经元的时候，如果大家想想细胞膜，而这个绿色的小示意图就是我用来表示,钠离子通道的，在这种情况下，大家可以看到它是关闭的，因此没有离子可以通过。
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I don't know what the dates say, 1916, excuse me, and you can see what he's done.
我不知道具体时间了，1916年，不好意思，你能看到他在做什么了。
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