Much of the air traffic at that time was between Croydon Airport and Le Bourget Airport near Paris,France.

VOA: special.2010.04.18

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

It goes up, stays in the air for a very long time, but it falls on your head.

它先上升 在空中停留很长时间,但是它会直接落在头上

耶鲁公开课 - 基础物理课程节选

Did the air reach the people of that planet in time to save them?

VOA: special.2010.07.31

This weird temporal disjunction is an important part of the poem, and it not only gives the poem its peculiar air of something like a conceptual time-warp, but it's an important part of Milton's profoundly anticipatory imagination.

这个古怪的暂时的脱节是诗歌中很重要的一部分，它不仅带给诗歌一种不寻常的感觉,就像概念性的时光隧道，但他确实是弥尔顿,深奥的预言性想象的重要部分。

耶鲁公开课 - 弥尔顿课程节选

For the first time, a woman had crossed the Atlantic Ocean by air.

VOA: special.2010.05.26

You see how long you are in the air and the whole time you are in the air, you are traveling horizontally at this speed.

你可以知道在空中停留的时间,当你在空中运动的时候,你一直以这个水平速度在运动

耶鲁公开课 - 基础物理课程节选

This time,with a thundering roar, Gemini Six rose into the air.

VOA: special.2009.07.01

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

He also entered the world-famous air races of the time.

VOA: special.2011.04.20

"Our study showed for the first time a clear difference between oxygen and air in the treatment of acute cluster headache.

VOA: standard.2009.12.17

NATO,meanwhile,has acknowledged for the first time that Afghan civilians were killed in last week's controversial air strike in Kunduz province.

VOA: standard.2009.09.08

The Paris Air Show ends Sunday which still gives Boeing time to catch up to rival Airbus in securing new aircraft orders.

VOA: standard.2009.06.16

Last year's Super Bowl telecast included a record 45 minutes and five seconds of air time for commercials.

VOA: standard.2010.01.27

The president will waste no time in Japan, getting to work almost immediately after Air Force One touches down at a Tokyo airport.

VOA: standard.2009.11.12