In January, in his State of the Union speech, President Obama promised to double exports in five years.

VOA: special.2010.07.09

If you double everything in the system, the temperature is not going to change, it's not going to double.

如果你把系统中所有的东西增加一倍，温度是不会变的，它不会跟着增加一倍。

麻省理工公开课 - 热力学与动力学课程节选

And I pretty much worked hard, double harder and tried to get as much as I can in.

我确实很努力，我付出了双倍的努力并且尝试着得到更多。

对你而言，钱是？ - SpeakingMax英语口语达人

And he set a goal to double American exports over the next five years.

VOA: special.2010.01.30

If we want to talk about two hydrogen atoms, then we just need to double that, so that's going to be negative 2 6 2 4 kilojoules per mole that we're talking about in terms of a single hydrogen atom.

而要讨论两个氢原子，我们只需要把它乘以二，因此应该是负的，2624，千焦每摩尔,这就是单个的氢原子的情况。

麻省理工公开课 - 化学原理课程节选

Foxconn has agreed to double basic pay to nearly three hundred dollars a month.

VOA: special.2010.06.18

How long does it take for the population of cells to double?

一组细胞的倍增时间是多久呢

耶鲁公开课 - 生物医学工程探索课程节选

Senator John Barrasso, from the western state of Wyoming, says Republicans support a comprehensive plan to double the U.S.investment in energy research.

VOA: standard.2009.05.23

That's an organization of people who sell real estate and they have ad campaigns trying to convince you that home prices are going to double.

AR是房屋销售者成立的组织,他们会发动广告攻势并试图让你相信,房价就要翻倍了

耶鲁公开课 - 金融市场课程节选

And while Europe wants to double the IMF's resources to $500 billion, Washington is pushing for a higher increase of $750 billion.

VOA: standard.2009.03.20

Ok, double line. If there are no questions I'm going to make a dramatic change in topic.

好的，这是重点，如果没什么问题,我要讲下面的内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

Strickland says it will have the capacity to double the initial once the nation's power grid is improved.

VOA: standard.2009.09.13

And just intuitively, when might you need to put a backslash in front of a double quote given the examples we've seen thus far?

凭直觉来看，迄今为止，你们什么时候,会用到\“呢？,举个例子？

哈佛公开课 - 计算机科学课程节选

Next year, his Democratic Party of Japan plans to double monthly child care allowances given to families.

VOA: standard.2010.02.25

But if that broke, if that wasn't available to him, he could turn to his short sword, which was a thrusting sword, not like the Roman short sword which was double edged and slashing.

但是如果矛断了,他就不能使用矛了,那么他就得使用短剑了,这种短剑也是用来刺的,不像罗马士兵的双刃剑那样用砍的

耶鲁公开课 - 古希腊历史简介课程节选

The Obama administration has already promised to double the non-military U.S.foreign aid budget to $50 billion a year by 2012 and Clinton's speech offered no new commitments.

VOA: standard.2010.01.06

So control of these international highways brought a great deal of wealth to the area, but the central location was a double-edged sword, because in times of peace it would bring prosperity, but, of course, in times of war the land was perpetually invaded as armies would crisscross the land going off to do battle with the great powers.

对这些国际要道的控制,给这个地区带来了大量的财富，但这处于中心的地理位置也如同一把双刃剑，因为在和平时期它带来繁荣，但，在战乱时期，这块土地常常被侵略,当军队在此刀刃相交,或者经过与强国征战。

耶鲁公开课 - 旧约导论课程节选

which it also plans to export. Ford has said small cars represent the future for automakers, and expects sales of these cars to double over the next decade.

VOA: standard.2009.09.25

It is a double column, You can see, it starts with hydrogen and goes to mercury in ascending order of atomic mass.

双纵栏，你们看到，从氢开始,然后到水银，按原子质量的升序排列。

麻省理工公开课 - 固态化学导论课程节选

In a White House bill-signing ceremony Wednesday, the president reaffirmed a goal he set out early this year: to double exports of U.S.goods and services in the next five years.

VOA: standard.2010.08.11

All right. So you probably read in the book that the bassoon is a double reed instrument, and so just to show you what that looks like-- You've probably seen it but if you haven't, two pieces of wood vibrate together when I blow through them.

好的,你们可能在书上看到过,巴松管是个双簧乐器,我将为你们演示双簧怎样演奏,你们可能见过,如果没有请看我演示,我吹奏时,两个木片会一起震动

耶鲁公开课 - 聆听音乐课程节选

The U.S.sealed the victory in the 72nd minute through Clint Dempsey, who pounced on a loose ball in front of the Spanish net and deposited it in the goal to double the American lead.

VOA: standard.2009.06.24

but I think I'm going to be, um, I'm double concentrating in economics and religious studies.

不过我想我该做出选择了，目前我在学习的是经济和宗教方面的内容。

想学习宗教学 - SpeakingMax英语口语达人

The 27-member bloc agreed to double loans available to eastern European countries to $68 billion and to contribute about $100 billion to the IMF as part of an overall funding increase so the institution can help countries worldwide battle the economic downturn.

VOA: standard.2009.03.20

So, our two glitches we see when we go from the 2 p, or from 2 s to start filling the 2 p, and then we also get another glitch when we've half-filled the 2 p, and now we're adding and having to double up in one of those p orbitals.

因此，我们的看到的两个小偏差，一个是在开始进入，2，p，轨道，或者说在填满，2，s，轨道之后,开始填，2，p，轨道的时候出现的，另一个则是在，2，p，轨道半满之后,开始继续加电子，使得其中一个，p，轨道上的。

麻省理工公开课 - 化学原理课程节选

And the United States is expected to nearly double its seventy million dollars in security assistance to Yemen.

VOA: special.2010.01.09

So let's take a look at what actually happens if we're talking about a carbon-carbon double bond, we're going to have a double bond.

让我们来看一看碳碳双键的情况,例如在乙烷里，我们有个双键。

麻省理工公开课 - 化学原理课程节选

But they say the work will make it possible to safely double the number of visitors permitted inside.

VOA: special.2009.06.29

Those are two continuous strands that wind around each other to form the double helix.

这两股主链,相互缠绕形成双螺旋

耶鲁公开课 - 生物医学工程探索课程节选

So it's very important to be keeping in mind that any time you see a double bond, you have a pi bond there, so you're not going to see any rotation around the bond axis.

所以你们要记住,任何时候你们看到一个双键，这里面有π键，你们不会看到关于键轴的任何转动。

麻省理工公开课 - 化学原理课程节选