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And this is going to sound like a weird topic, we're going to see why it's of value in a second.
这听起来像个怪异的主题，我们将会去学习一刹那。
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because I know that it's definitely a hot topic.
因为我知道这个话题太热门了。
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This is a really good topic to do the class before an exam because it's a little bit of a lighter topic.
这对于考试之前的一节课来说,是一个非常好的课题,因为这是一个稍微轻松一点的课题。
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I think it's hard because we haven't seen the movie Just jumping topic, when I turned on, when I was watching The Magnificent Ambersons.
我说的可能有些晦涩，毕竟我们都还没看,那换个话题好了，当我在看《安巴逊家族》时。
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Now let's get onto the course topic for today, which is food and evolution.
现在我们要进入今天的主题,即食品和人类演化
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I want you to look at this picture, read the little bit about gene - control of gene expression - that's in the book, know that it's a big topic, that we're not going to talk about it except we're going to talk about some examples where control of gene expression can be exploited in order to treat diseases, for example. So I'll see you on Thursday.
所以我希望你能看一下这张图,读一些,教材里基因调控的章节,这是个很大的话题,我们不会进一步深入去探讨,但一些基因调控,用以治疗疾病的例子,我们可能还会在之后的课程中讲到,那我们周四见了
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Life insurance is actually an insurance against one of you dying; it's a very unpleasant topic.
人寿保险实际上是为死亡投保,这是个让人极度不快的话题
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And that's what we're going to spend today on, is talking about that topic. I'm going to use it to build over the next couple of lectures.
我们今天也是讲这些内容，而且这些内容,将贯穿我们下面几节课。
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So that's the topic that I'd like to address today.
这就是我今天要解决的问题。
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Yeah. That's a really interesting topic right now
现在这真是个有趣的话题，
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I said, well, let's do something on, I don't know, pick a topic.
我说，好，让我们做点东西，我不知道，选一个课题。
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Now of course, nutrition is the kind of subject that one could spend the whole semester on, could spend--do multiple classes on, because it's a very interesting, fascinating, and complex topic.
当然,要学习营养学这门课程,可能需要整个学期的时间,耗费很多课时,因为这个话题十分有趣,且吸引人,而又一言难尽
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I also want to note that the end of the material today, so this last topic here, that's the end of the material that's going to be on this first exam.
我还想告诉大家，今天这些内容结束的地方，这个最后的主题，也就是第一次考试,要考到的地方。
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Any of you who have come from Europe will care a lot more about this issue in all likelihood, than the Americans because it's been a much hotter topic in Europe.
比起美国的同学,来自欧洲的同学,会对这个话题会更感兴趣,因为这个话题在欧洲倍受关注
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Control of gene expression is a very big topic and so I'm going to show you one cartoon to sort of tell you that it is a big topic that's really important.
基因表达的调控是个大课题,我给你们放一些动画,好让你们理解,其涉及范围之广,意义之重
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So let's turn our attention to a new topic, which is thinking a little bit about the periodic table, and also talking about periodic trends.
我们的新主题上，我们将会讨论一点关于元素周期表的知识，同时也会讲一讲周期性规律。
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And as a reminder, hopefully I don't need to remind any of you, but exam 1 is on Wednesday, so rather than our clicker question being on something from last class, which is exam 2 material, let's just make sure everyone remembers some small topic from exam 1 material, which is the idea of angular nodes.
而作为一个提醒--我希望大家都不需要提醒，但是这周三就要进行第一次考试了，因此我们的这个选择题,不是关于上节课内容的，那是第二次考试的内容，这里只是想确认大家都记得,第一次考试所要求的一些小问题，也就是关于角向节点的概念。
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OK. We wanted to finish up that section, we're now going to start on a new section, and I want to try and do one and a half things in the remaining time. I'm going to introduce one topic that we're going to deal with fairly quickly, and then we tackle the second topic, it's going to start today, and we're going to carry on.
我们该结束这一段了，现在我们要开始新的课程，我在接下来的时间里要做1。5件事情,我首先会很快的对一个我们,要学习的课题,进行一个介绍，然后再进入第二个话题，今天我们只是开始这个话题，以后还要继续讲。
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Anyway, I want then to move on to the topic of today's lecture, Insurance is the other side of the risk management institutions that we have.
下面开始今天这节课的主题,保险是我们现有的另一种,风险管理制度
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Let's move on to the last topic in terms of this first exam, which is thinking about the idea of isoelectronic atoms, or isoelectronic ions. And isoelectronic is very straightforward, it just means having the same electron configuration.
下面我们继续讲第一次考试的最后一个主题，也就是等电子原子，或等电子离子的概念，“等电子的“是非常直接的表达，它的意思就是具有相同电子排布的。
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But it's a very interesting topic, so today we're going to talk about how do you measure what people eat, and you're having some experience that yourself with the daily plate dietary assessment.
这个话题实在有趣,所以今天我们要讲如何评估人们吃的东西,你们就能学到一些知识,来做自己的日常的饮食分析
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And it's a topic I want to pick up on today, we're going to do for the next few lectures, and it's a topic I want to spend some time on because this idea of capturing data and methods, the term we're going to use for it, but data and functions that belong to that data, things that can be used to manipulate them, is a really powerful one.
我们会在今天讲这个话题,在后面几节课还会讲这个,这是个我愿意花点时间，在上面的话题因为这是个,捕获数据和方法的思想,我们用这个术语来形容它，数据中包括了数据和函数等，能用来操作它们的东西,真的是很强大的工具，我们真正要讲的东西是，我们要学会如何把信息。
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That's what I wanted to say in finishing up last week's topic of DNA technology.
现在我已经把,上周DNA技术剩下的部分讲完了
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that's our topic here, we're talking about periodic trends.
这是我们的主题，我们要讨论周期性规律。
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N 2 So any chemist should be able to just look at n 2 and know that it's a triple bond, but that's not something that we've learned how did to do yet, so let's go ahead and start a new topic that's going to allow us to have some sort of sense of what the valence electron configuration, which includes whether something's a single or double or a triple bond can be figured out for any given molecule.
任何一个化学家都应该能够仅仅通过看到2,就知道它有一个三键,但是我们还没学习如何做到这点，因此下面我们就开始进入一个新的主题,它将使我们能够有一定的认识,对于价电子的排布情况，包括可以对任何一个给定分子中的键是单键双键,还是三键作出判断。
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