The pilot reported a double bird strike - a rare event where birds enter both engines.

VOA: special.2009.01.30

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

And I live in Hungary, so I'm a double citizen

我住在匈牙利，所以我是双重公民，

英语学习就要这样 - SpeakingMax英语口语达人

Concerns about a double-dip recession were back in the news this week.

VOA: special.2010.07.02

So if we look at its length, it's actually shorter than a single bond, but longer than a double bond.

因此如果我们看它的键长的话，它实际上比单键更短，却比双键更长。

麻省理工公开课 - 化学原理课程节选

We no show up. Thursday was a double-header, nobody show up.

VOA: special.2009.07.19

" "I'll have a small coffee please " and a double espresso mocha skinny frothed" except the barista makes a mistake.

我要一小杯咖啡,“还要一杯双倍浓度无咖啡因少泡沫的穆哈咖啡“,除非店员弄错了。

耶鲁公开课 - 心理学导论课程节选

Critics accused the Obama administration of holding a double standard by being more lenient on financial institutions also receiving federal assistance.

VOA: standard.2009.04.05

Milton recognizes that way of thinking as a double standard, ; and he isn't satisfied with this vulgar double standard; so he comes up with a vulgar double standard of his own.

弥尔顿认为这种思维方式有双重标准，他并不满足于低俗的双重标准;,因此他提出了一个他自己的庸俗双重标准。

耶鲁公开课 - 弥尔顿课程节选

Intelligence officials say Balawi was a double agent, posing as a Jordanian informant but working for the al-Qaida terror network.

VOA: standard.2010.01.09

They would naturally hybridize and form a duplex, or a double stranded nucleic acid.

它们会自然杂交并形成双螺旋,或者说双链核酸

耶鲁公开课 - 生物医学工程探索课程节选

Posner says the UN Council is guilty of engaging in a double standard.

VOA: standard.2009.10.03

Sometimes you need to escape a double quote.

有时候是双引号。

哈佛公开课 - 计算机科学课程节选

Avraham Tzion,an Israeli expert in international law, says the U.N.has a double standard.

VOA: standard.2009.10.23

The moderate right wing votes she's going to split with Claire Elise, and jean's going to have all the left wing votes, extreme and moderate, and so from Stacy's point of view this is a double bad.

温和的右派选票会被她,和克莱尔·伊莉斯分享,吉恩将会获得所有的左派选票,极端的和温和的,因此从斯泰西的角度看这是加倍的差

耶鲁公开课 - 博弈论课程节选

It's a surefire recipe for a double-dip recession,or worse,".

VOA: standard.2010.01.12

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

That basically means investors are worried that we are probably going to be going into a double dip scenario because of the sovereign debt crisis that is occurring in Europe."

VOA: standard.2010.05.25

I just showed you that you can have a single wave, a double, a triple and so on.

我想说的是你能得到单个波，双波，三条波等等。

麻省理工公开课 - 固态化学导论课程节选

Despite what he calls overblown fears of a double-dip recession, Cardillo predicts the U.S.economy will grow between two and a half to three percent for the second half of the year.

VOA: standard.2010.07.20

It's not so much a double standard is needed; it's a tie.

无关什么双重标准,双方旗鼓相当

耶鲁公开课 - 死亡课程节选

The pump developed by researchers is a double pump - in addition to insulin, it automatically secretes glucagon, a hormone that taps glucose reserves in the liver, raising blood sugar levels when they get too low, a condition called hypoglycemia.

VOA: standard.2010.04.15

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

I don't know if that's true, but that's what we hear. And the Indians are very,very worked up about this and say,"Well,you know, the Chinese have had this capability to listen in on BlackBerry communications for years- there's a double standard."

VOA: standard.2010.08.11

Three plus five. I can take something to a power, double star, just take three to the fifth power.

+5，我也可以,求一个数的次方，例如求3的5次方。

麻省理工公开课 - 计算机科学及编程导论课程节选

"It is a double track approach,of course, to have a very clear position on sanctions, not only on Security Council, but specific new measures from the European Union on the financial side - on the oil and gas sector, in all elements that can give to Iran a very clear message that they have to move and respond to the requirements of the international community."

VOA: standard.2010.07.28

And we find the same thing for these two atoms here, it's not actually a double bond, it's somewhere between a single bond and a double bond.

而且我们发现这两个原子的情况是一样的，它其实不是一个双键，而是介于单键与双键之间的。

麻省理工公开课 - 化学原理课程节选

But there are concerns that Japan and the United States could face a "double-dip" recession.

VOA: special.2009.08.21

But once you have a double bond here, we have our pi bond, as well as our sigma bond.

但一旦你有了双键，我们有π键，也有sigma键。

麻省理工公开课 - 化学原理课程节选

I want to start by showing you this cartoon that you already know about with the structure of a double helix.

我想要给你们看这张卡通模型,你们都知道,这是DNA双螺旋结构

耶鲁公开课 - 生物医学工程探索课程节选