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Please don't show up at 10:30 or 11:00 and start asking questions.
请不要在10点半或者11点0,开始提问。
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So, if you can't immediately know, and you don't all have periodic tables in front of you, so that's fine, but if you have a periodic table in front of you, you need to be able to count valence electrons, so work on that if it doesn't come naturally to you in terms of figuring that out.
如果你不能马上想到，而且你手上没有周期表，那还好，但如果你面前有一张周期表，那你就得具备从中查出价电子个数的能力，如果你不能自然而然地想到,请在这方面多下点功夫。
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For those of you who don't realize it, it's now about 12:00 in the evening tomorrow in Beijing Yeah, so anyway, I'll probably fall asleep by about 10:30.
对那些没有注意到的人，请于明晚12点左右联系我,不管怎么说，我会在10点半左右睡觉。
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Stand up, give me your name. Stand up. Shout it out to the crowd.
请起立,说出你的名字,大点声说
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Turn it down just a little bit, Lynda, please.
琳达请将声音稍微调小点好吗
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So Let's give these guys a big hand.
请大家给他们来点掌声
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Once I've got that, you notice I can now define a polar point, same way. Notice I've now solved one of my problems, which is, in each one of these cases here, I'm creating both x y and radius angle values inside of there.
你们注意到我现在可以，定义一个极坐标点了，以同样的方式,请注意到现在，我已经解决了我的问题之一了，也就是，在这些例子中的每一个,我在里面都创建了x，y值。
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Come forward as far as you can and then really shout, yep.
尽可能朝前靠,请大声点说
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What's your name sir? Stand up and shout.
你叫什么名字,请站起来大声点说
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Shout out, even I can't hear you.
请再大声点说出来,不要连我都听不清
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Shout out again.
请大点声说
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So even that wasn't loud enough okay, so we we really need to get people-- That was very clear, very nice, but we need people to stand up and shout, or these people at the back can't hear. So your name is?
这样声音还是太小,所以我希望,之前的同学的解释清晰正确,但以后请大家站起来大声点说,否则后面的听不到,你的名字是
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Nina. Say again loudly.
请大点声说
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