It was a curious feeling, as though we were floating on air.

那是一种奇特的感觉，我们仿佛在空中漂浮。

《牛津词典》

Wind movements are also modified in cities because buildings increase the friction on air flowing around them.

风向在城市里也会改变，因为建筑物增加了它们周围流动的空气的摩擦力。

youdao

In South Africa, as in many developing and newly industrialized countries, legislation on air pollution has failed to keep pace with mushrooming industries.

同许多发展中国家和新兴工业化国家一样，在南非，关于空气污染的立法未能跟上迅速发展的工业的速度。

youdao

But Chesley Sullenberger is also an expert on air safety, including accident investigations, and even has his own consulting business.

VOA: special.2009.01.30

As we climbed the air grew cooler and the Indian girls on the road wore shawls over their heads and shoulders.

在我们开车向山上爬行的过程中，空气开始,变得凉爽起来，路上的印第安姑娘都披着围巾。

耶鲁公开课 - 1945年后的美国小说课程节选

This had better not go on the air before summer!

这最好不在夏天之前播出。

我们是校园情侣 - SpeakingMax英语口语达人

Now, as I was only vaguely aware, there is a federal excise tax on air transportation.

FORBES: Executive of Bankrupt Airline Liable for Millions in Excise Tax

There are photos of him putting on Air Force One and in the Oval Office.

NPR: 'First Off the Tee': White House Golf Tales

As expected, I've already been asked on air: what does it mean for Wales?

BBC: What does George Osborne's Budget mean for Wales?