You can rent an aircraft and take photographs of the beautiful Keys from the air.

VOA: special.2010.03.22

We, in fact, borrow oxygen or steal oxygen from the air free of charge.

我们事实上免费从空气中,借或者偷氧气。

麻省理工公开课 - 固态化学导论课程节选

But it can be acquired in the air, from patients that are from- from other individuals that are infected.

天花会通过空气传播,通过病人和其他感染者呼出的空气传播

耶鲁公开课 - 生物医学工程探索课程节选

But Mister Swayze notes limits on the asbestos searches from the air.

VOA: special.2009.11.17

You'll remember the description of the world from Genesis 1 as an air bubble essentially that's formed by separating waters above and waters below.

大家都记得《创世纪》1中，把世界的描述1,一个大气泡,上面下面都被水覆盖。

耶鲁公开课 - 旧约导论课程节选

The devices are designed to remove dangerous particles from the air.

VOA: special.2009.07.14

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

The first HEPA filters removed radioactive particles from the air.

VOA: special.2009.07.14

"We're so much more visible from the air than we are from the ground that maybe we can be a deterrent,"

VOA: standard.2010.01.01

Lieutenant Joe Eakins says this tiny aircraft, which uses a parachute instead of wings, offers an affordable way to patrol from the air.

VOA: standard.2010.01.01

From the air, much of South Louisiana still looks like a quilt dotted with picture frames.

VOA: standard.2010.06.17

The researchers suspect that the newborn c-section babies might be picking up their generic bacteria mix from the air - one way bacteria gets on our skin.

VOA: standard.2010.06.30

More than three billion people are at risk from indoor air pollution because of the heating or cooking fuels they use.

VOA: special.2010.02.01

When his head came out of the water for air, he saw that he was farther away from the soldiers.

VOA: special.2011.05.28

Untreated patients can spread the bacteria from their nose and mouth through the air to people who are near them a lot.

VOA: special.2009.10.14

Rinderpest can spread quickly through the air and in water containing waste from animals with the virus.

VOA: special.2010.11.02

The shape of a snow crystal may change from one form to another as the crystal passes through levels of air with different temperatures.

VOA: special.2010.01.05

They were suspended from ropes as they used heavy air-powered hammers to break any loose rock away from the face of the canyon walls.

VOA: special.2009.08.12

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

VOA: special.2010.08.24

Engineers on the ground designed a way the astronauts could connect air-cleaning devices from the command module to the air system in the lunar module.

VOA: special.2009.07.22

Cold weather moves south and combines with the last of the warm air from summer.

VOA: special.2009.06.09

Fire from the natural gas well shot about one hundred forty meters into the air.

VOA: special.2009.03.22

Warm air rising from below causes the wind tube to reach toward the ground.

VOA: special.2010.05.11

Electromagnetic waves or energy passed through the air from one device to the other.

VOA: special.2010.12.08

She remembered how the white heron came flying through the golden air and how they watched the sun rise together from the top of the world.

VOA: special.2010.04.03

From high in the air, visitors can clearly see the third area of the park -- a high broad flat rock known as the Island in the Sky.

VOA: special.2009.04.15

They would gather small amounts of air from the upper atmosphere.

VOA: special.2010.05.26

The astronauts had removed all air pressure from the spacecraft.

VOA: special.2009.06.24

Among them was Retired Air Force General Michael Hayden, who held the post from 2006 until early this year.

VOA: standard.2009.04.20

Medical science, bolstered by research from the U.S.Environmental Protection Agency, shows a strong link between air pollution and heart disease and stroke.

VOA: standard.2010.08.04