The W.H.O.says two hundred forty-seven million people became infected with malaria in two thousand six.

VOA: special.2009.05.26

So notice a difference in these structures, is this has an n h bond whereas this has an o h bond.

注意它们之间的有一点不同，那就是一个有氮氢键,而另一个有氧氢键。

麻省理工公开课 - 化学原理课程节选

The bond, it turns out, 5° is 104 . 5 degrees, that h o h bond.

这个键即，ＨＯＨ键角，是104。

麻省理工公开课 - 化学原理课程节选

In the past,the W.H.O.and experts with America's Centers for Disease Control and Prevention noted guidance for disease spread on airplanes.

VOA: special.2009.07.14

stdio h This file here is called standard I/O or stdio.h and this is just another text file someone else wrote many years ago and by using that line of code there, I'm telling the computer, give me acces to this code that this other person wrote that's in that file.

在这里的头文件称为标准输入输出文件或,这是由某位前人编写的文本文件,我们只需要刚才所述的一行代码，就能告诉电脑，让我连接到,这个前人在那个文件中写的代码。

哈佛公开课 - 计算机科学课程节选

W.H.O.special adviser Keiji Fukuda reported earlier this month that the virus has acted in some ways like seasonal flu.

VOA: special.2009.11.24

Why didn't they keep right on going with G, H, I, J, K, L, M, N, O, P?

为什么他们不接着写下去呢,按照字母表

耶鲁公开课 - 聆听音乐课程节选

The W.H.O.says pregnant women should take the antiviral drug Tamiflu as soon as possible after they show signs of illness.

VOA: special.2009.08.05

So I show that here, so in green, you have what's called a carboxcylic acid group, a c o o h, which gets converted by s o c l 2 to a c double bond o c l or an acid chloride.

我在这里用绿色表示，我们所说的羧酸族化合物，碳，氧，氧，氢，它被亚硫酰氯转化为,一个碳氧双键与碳氯单键组成的酰氯。

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Without new treatments,the W.H.O.says, the number of new cancer patients could reach twenty-seven million a year by two thousand thirty.

VOA: special.2009.03.02

So in terms of naming our o h bond, good, it's right here.

对于OH键的命名，很好，在这里。

麻省理工公开课 - 化学原理课程节选

The W.H.O.estimates that up to thirty percent of the medicines on sale in many of those countries are counterfeit.

VOA: special.2010.02.22

W.H.O.special adviser Keiji Fukuda said last week that the virus has continued to act in some ways like seasonal flu.

VOA: special.2009.11.11

Doctor Fukuda, an acting assistant director-general, said the W.H.O.has been working with the member states to prepare for a pandemic.

VOA: special.2009.06.10

The W.H.O.is now advising infected women to begin antiretroviral drugs at fourteen weeks of pregnancy, instead of twenty-eight.

VOA: special.2009.12.02

For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.

VOA: special.2009.05.06

The W.H.O.says counterfeits represents less than one percent of the illegal drug market in countries like the United States, Canada,Japan,and New Zealand.

VOA: special.2010.02.22

The W.H.O.is calling on those governments to ban tobacco advertising to the fullest extent possible and to do more to protect women.

VOA: special.2010.05.31

The W.H.O.has an influenza warning system in which phase six means that a pandemic is taking place.

VOA: special.2009.06.10

The W.H.O.says most poor countries spend less than one percent of their health budgets on mental health.

VOA: special.2010.04.13

The W.H.O.offices for the Americas and the Western Pacific reported two out of three of those cases.

VOA: special.2009.11.24

W.H.O.Director-General Margaret Chan declared the sickness a pandemic a disease that has spread to many nations.

VOA: special.2009.07.14

At current growth rates, the W.H.O.expects the number to reach twenty million by two thousand fifteen.

VOA: special.2009.07.15

The W.H.O.says treatment should begin immediately and not wait for the results of laboratory tests.

VOA: special.2009.08.18

The W.H.O.says the tobacco industry has increasingly directed its marketing campaigns at women and girls.

VOA: special.2010.05.31

For example,a W.H.O.statement urged nations not to close their borders or limit trade and travel.

VOA: special.2009.07.14

The W.H.O.says insecticide-treated bed nets have been shown to reduce the number of malaria cases by fifty percent and the infection rate by ninety percent.

VOA: special.2010.04.20

The W.H.O.estimates that tobacco use caused one hundred million deaths in the twentieth century.

VOA: special.2010.05.31

The W.H.O.says the international community is now in a position to defeat malaria.

VOA: special.2010.04.20

The W.H.O.is advising people to wash their hands often with soap and water.

VOA: special.2009.05.06