Despite the tragic accident, excitement is in the air as South Africa hosts the World Cup.

VOA: standard.2010.06.11

So, if you want to attack urban air quality, this is probably moving in the wrong direction, OK?

所以如果你想攻击都市的空气质量，这可能是一个错误的方向，对吗？

麻省理工公开课 - 固态化学导论课程节选

that whatever it is, it's going to be delicious, because of the delicious aroma in the air.

不管他们做的是什么，肯定很美味，因为空气中漂浮着食物的诱人香味。

What kind of 课堂 - SpeakingMax英语口语达人

The batter also is out if he hits the ball in the air and an opposing player catches it.

VOA: special.2009.04.12

That is metallic sodium that would keep in kerosene so it doesn't react with the oxygen in the air.

金属钠应该保存在没有中,这样它就不会和空气中的氧气反应了。

麻省理工公开课 - 固态化学导论课程节选

Another reason for the increase in bird strikes is the growing popularity of air travel in the United States.

VOA: special.2009.04.01

I've already suggested that in a variety of ways this is a response that can be naive but it is still very much in the air.

我已经暗示过，在各种各样的方式里,这个是一种天真的响应，但是仍然有很多这种声音存在。

耶鲁公开课 - 文学理论导论课程节选

Mars Day at the Smithsonian Air and Space Museum in Washington is a celebration of our solar system's most famous planet.

VOA: special.2010.07.28

This says, if you want to be in the air for a long time, so you may think that 90 degrees is the best angle.

也就是说,如果你想在空中停留更久,你也许会认为 90°是最佳选择

耶鲁公开课 - 基础物理课程节选

The doctor says you should point the device so the flow of air is just in front of your face.

VOA: special.2009.07.14

This is page 198 in the Hughes: "I am singing the starry sky and the hosts that sang high in air, and the gods that were suddenly destroyed in their own shrines."

看到休斯版本198页：我歌唱满天繁星,主人们都在高空歌唱，神灵们都被突然毁于自己的圣坛里“

耶鲁公开课 - 弥尔顿课程节选

For this reason,he says, air searches would need to be done in areas where the climate is dry or plants lacking altogether.

VOA: special.2009.11.17

In this case, the basic column of air is twelve and a half feet long and there are something called "Partials" or the "Harmonic series" That happens in anything, on a string instrument or whatever, but on the horn it's very distinct and that's what makes the different notes.

像这样,基本空气柱有十二个,每个半英尺长,圆号能发出分音,或泛音列,弦乐器或是,其他别的乐器中都有,但在圆号上,效果相当不同,这就是它能奏出不同音符的原因

耶鲁公开课 - 聆听音乐课程节选

One of the largest air shows in the United States is also one of the largest trade shows in the aircraft industry.

VOA: special.2010.07.30

For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.

不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。

麻省理工公开课 - 化学原理课程节选

They point out that the finding was based on one air measurement taken in an industrial town that is not even in Pittsburgh.

VOA: special.2009.07.13

The main goal of the respiratory system is to bring fresh in so that you can extract oxygen from it, and blow used air out so that you can rid of carbon dioxide which is the end product of carbon metabolism inside our bodies.

呼吸系统的主要功能是,吸入新鲜空气,以便获得空气中的氧气,呼出废气,以便排出二氧化碳,二氧化碳是人体内碳代谢的终产物

耶鲁公开课 - 生物医学工程探索课程节选

Next week is the one hundredth anniversary of the Paris Air Show, the biggest in the world.

VOA: special.2009.06.13

There is some conflict in the air.

有些冲突悬而未决。

麻省理工公开课 - 固态化学导论课程节选

The air travel agency is currently testing a radar system at the international airport in Seattle,Washington.

VOA: special.2009.04.01

Ocean storms develop when the air temperature in one area is different from the temperature nearby.

VOA: special.2010.08.24

All this wet air is pulled in by a high pressure area over the Indian Ocean and a low pressure area to the south.

VOA: special.2010.05.25

The study also noted that when tilled soil particles come in contact with air, soil organic matter is lost through the process of oxidation.

VOA: special.2010.09.28

He has a "big head." A person who is filled with his own importance and pride is said to have "his nose in the air.

VOA: special.2009.03.08

Air France is now moving quickly to put in newer versions of the speed sensors.

VOA: special.2009.06.13

You are up high, so even in the summer the air usually is cool.

VOA: special.2009.07.20

The air pressure in a plane during flight is lower than at sea level.

VOA: special.2009.07.14

When the sun is just right, rainbows of color dance in the air.

VOA: special.2009.05.25

The first is the lack of oxygen in the extremely thin air.

VOA: special.2010.06.30

Humidity is the amount of water in the air.

VOA: special.2010.07.27