And they say it can double or triple crop production.

VOA: special.2009.09.01

So this unique temperature and unique pressure defines a triple point everywhere, and that's a great reference point.

这样，无论在何处,三相点都具有相同的温度和压强,十分适合来作参考点。

麻省理工公开课 - 热力学与动力学课程节选

And something that we'll see later on is that triple bonds, for example, are going to be stronger than a corresponding double bond or a corresponding single bond.

而我们以后还会看到三键，举例来说，应该更强，相较于相应的双键,或者相应的单键来说。

麻省理工公开课 - 化学原理课程节选

Under the plan, the government would also triple the number of condoms distributed each year to 1.5 billion.

VOA: standard.2010.04.26

Well, I guess it's the problem that people who teach the eighteenth-century novel always have, or the Victorian novel: the Victorian novel like the triple-decker, the three-volume novel.

好吧，我猜这个问题是,讲授十八世纪小说,或维多利亚时期小说的人经常遇到的：,像维多利亚时期的三层小说，三卷本小说。

耶鲁公开课 - 1945年后的美国小说课程节选

However,in June's Belmont Stakes, Borel missed a personal Triple Crown when "Summer Bird" won the New York race.

VOA: standard.2009.12.24

Both melody and bass could have had a triplet but he chose to have the duple in the bass--the triple up above.

旋律和低音部都可以运用三连音,但是他选择低音两拍,高音三拍

耶鲁公开课 - 聆听音乐课程节选

The $250 billion increase is part of a plan to triple IMF resources over the next few years.

VOA: standard.2009.04.26

So the partial pressure or the pressure by which you have this triple point, happens to be 6.1 times 10 to the minus 3 bar.

而要小得多,事实上，水的三相点时的压强是6。1毫巴。

麻省理工公开课 - 热力学与动力学课程节选

It is breathtaking. The new administration's budget for next year alone calls for a $1.2 trillion deficit nearly triple any past federal deficit,".

VOA: standard.2009.03.21

We see three bonding pairs so this is a triple bond, indeed a multiple bond.

我们看到3对成键电子所以这是一个三重键，它确实是多重键。

麻省理工公开课 - 固态化学导论课程节选

"It will double the national debt in five years and triple the national debt in 10 years.

VOA: standard.2009.03.15

They're not showing them keeling over from a triple bypass surgery, let's say.

当然广告里没放他们,免于三重心脏搭桥手术画面

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The measure would triple nonmilitary aid to $1.5 billion annually for five years, and urges an additional five years of funding after that.

VOA: standard.2009.05.04

Let's re-draw this, so it looks a little bit neater, where we have a triple bond in the middle instead, and again, we need our negative 1 charge there.

让我们重写这个，这样看起来更整洁一点，我们有一个三键在中间，同样地，我们这里需要一个负电荷。

麻省理工公开课 - 化学原理课程节选

"It would double the public debt in five years, triple it in ten years - the highest percentage of GDP since after World War II.

VOA: standard.2009.03.22

So let's take the case of acetylene where we have two carbon atoms that are going to be triple bonded to each other, each are bonded to a carbon and then to one hydrogen.

让我们来看一看乙炔的例子,我们有两个碳原子,成三键，每个碳和一个碳一个氢相连。

麻省理工公开课 - 化学原理课程节选

Medical tourism brought in $1 billion in 2007 and that is expected to triple by 2012, when the Health Ministry expects more than two million medical tourists.

VOA: standard.2009.12.23

So, for example, down here I wrote that it was n 2 and that it was h 2, but when I re-wrote the molecules up here, you saw that it's an h h single bond where it's a nitrogen-nitrogen triple bond.

比如，在这下面我写的是氮分子2,而这个是氢分子，但我在上面把这些分子的形式改写了，大家可以看到,这是一个氢与氢之间的单键，含一个氮与氮之间的三键。

麻省理工公开课 - 化学原理课程节选

tax evasion charges. In U.S.horse racing,there was no Triple Crown winner - again.

VOA: standard.2009.12.24

This is to get the feel of the duple and the triple. So see what you can do.

这两个动作,能让你亲身感受两拍和三拍,试试看吧

耶鲁公开课 - 聆听音乐课程节选

Unfortunately,the president has given us a budget that grows our debt so much that our public debt will double within six years and triple in a little over 10 years,".

VOA: standard.2009.03.24

That is a good solid triple bond.

这是很好的固态三线态。

麻省理工公开课 - 固态化学导论课程节选

Jockey Calvin Borel rode two of the three Triple Crown champions, but missed a personal Triple Crown at the Belmont.Aboard 50-1 long shot "Mine That Bird," Borel won the Kentucky Derby May second.

VOA: standard.2009.12.24

This is very easy molecule because we know exactly where to put them without even having to think, we only have one option, and we'll make a triple bond between the carbon and the nitrogen.

这个分子非常简单,因为我们知道应该把它们放在哪里,甚至不用去想，我们只有一个选择，我们将在碳与氮之间形成一个三键。

麻省理工公开课 - 化学原理课程节选

Yargeris Savigne of Cuba came out on top in the triple jump with a leap of 14.95 meters, while Spain's Marta Domnguez took the gold medal in the 3,000 meter steeplechase, with a world leading time of 9 minutes,7.32 seconds.

VOA: standard.2009.08.18

So, in general what we see, and this is always true if we're comparing the same atom, and in general, if we're comparing different types of molecules, but we know that a single bond is always weaker than a double bond, which is weaker than a triple bond.

通常我们会看到，这对比较相同原子来说总是正确的，通常，如果我们要比较不同种类的分子，但我们知道单键,总是要比双键弱，双键总是要比三键弱。

麻省理工公开课 - 化学原理课程节选

U.S.officials say there was spontaneous applause at the meeting, at a New York hotel, when word arrived of Senate approval of the five-year Pakistan aid plan, which would triple civilian U.S.assistance to about Expected to win final approval in the U.S.

VOA: standard.2009.09.24

So it looks a lot less messy if we just draw our Lewis structure like this for h c n, where we have h bonded to c triple bonded to n, and then a lone pair on the nitrogen there.

这看起来整洁了不少,如果我们把氰化氢的路易斯结构画成这样的话，这样我们就有氢与碳之间的单键和碳与氮之间三键，然后还有一对孤对电子在氮这里。

麻省理工公开课 - 化学原理课程节选

Occasionally, you get things written in triple meter and in a minor key--minor key.

偶尔,有一些是由三拍子,和小调组成

耶鲁公开课 - 聆听音乐课程节选