Well first off, tell me what the problem is.

首先，先告诉我是什么问题。

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All right. So, let's pick up where we left off, first of all we're still on the hydrogen atom from Monday.

好，让我们从上次停下的地方讲起，我们还要讲周一讲的氢原子。

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We're off because our downbeats, our strong pulses always have to come on the first part of the bar, this note.

我们做错了,因为我们的重拍,我们的强拍,总是在每个小节的第一拍的那个音

耶鲁公开课 - 聆听音乐课程节选

So in terms of remaining valence electrons we have 12, so we can finish off each of our Lewis structures, so that's our first structure there, and our second structure there.

那么关于剩下的价电子，我们有十二个，因此我们可以完成这两个路易斯结构了，那么这是我们的第一个结构，而那是我们的第二个结构。

麻省理工公开课 - 化学原理课程节选

I was going to say when you first start doing this, even people who have been doing it for a long time still go off on ten-minute daydreams before realizing that their minds were wondering.

我本想说第一次尝试时，但即便是修行多年的人,也会走神十分钟之久,方才意识到自己刚做了白日梦。

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So let me start off with-- is this the first day of shopping or was it yesterday?

首先我想问一下,第一次的试听课是今天还是昨天

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When I started off I was programming for Sygen and I wrote the first version.

一开始为网站写代码的时候,我写了第一个版本。

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We'd all be better off dead, " or perhaps more accurately still, " all be better off never having been born in the first place."

我们死了会更好，“或者更准确地说，“没有出生会更好“

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I want to flip back to text for a moment before I return to talk about a whole contradictory set of methodologies, or methodologies that pull in another direction. But first I want to get us up to the patriarchs and matriarchs where we're going to be starting off on Monday.

回到谈论一整套相互冲突，截然相反的,研究方法之前，我想跳回到经文部分,首先，我希望你们关注一下宗教创始人的部分,这点我们会在周一开始讨论。

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And an analogy I like to think about is that your--when you bring your car in to repair it-- for repairs, when you're repairing your car, the first thing you do is you stomp it and shut off the engine.

我想打个比方,当你开你的车去修时-,当你修你的车时，你首先要做的是,刹车，关掉引擎。

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All right, so where we left off with the photoelectric effect was when we first introduced the effect, we were talking about it in terms of frequencies.

好，我们刚才停止光电效应这个话题,是当我们第一次用频率，来讨论这个效应的时候。

麻省理工公开课 - 化学原理课程节选

The first of these is rhythmic, so we're going to turn now -I guess we'll turn off the lights and we're going to go to a couple of slides here.

其中第一项技巧就是节奏,因此我们现在就要看看,我想我们要关灯,因为我们将要看组幻灯片

耶鲁公开课 - 聆听音乐课程节选

Then the first time so he came up a major third there and then quickly backed off with just a half step below it, which completely gave it a different feel.

于是开始的时候,乐曲中出现一个大三和弦,然后快速地降低了半个音,这种变化给人完全不同的感受

耶鲁公开课 - 聆听音乐课程节选

So first, I'd like to start off with some definitions.

首先,我要讲几个定义

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选