on air

基本解釋

Please write about the effect of tree planting on air in a city.
請寫寫植樹對城市空氣的作用。
Why, if given a tip about a possible attack on Air Force One, would Bush be rushed to Air Force One?
如果有建議說在空軍一號上可能會有襲擊，為什么布什還是會被送往空軍一號？
Half an hour later the presenter apologized on air: ''Earlier in the program, I made a comment about Casper the cat which some of you may have found offensive.
(節(jié)目播出)半個小時以后，朱蒂在廣播中向聽眾道歉。她說：“我在之前的節(jié)目里對小貓卡斯帕的書進行了一些令人不快的評論。
edu.sina.com.cn

But Chesley Sullenberger is also an expert on air safety, including accident investigations, and even has his own consulting business.
As we climbed the air grew cooler and the Indian girls on the road wore shawls over their heads and shoulders.
在我們開車向山上爬行的過程中，空氣開始,變得涼爽起來，路上的印第安姑娘都披著圍巾。
耶魯公開課 - 1945年后的美國小說課程節(jié)選
This had better not go on the air before summer!
這最好不在夏天之前播出。
我們是校園情侶 - SpeakingMax英語口語達人

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