Air is the mixture of gases that forms the Earth's atmosphere and that we breathe.
Every living creature needs air to breathe.
所有生物都需要呼吸空气。
Draughts help to circulate air.
通风有助于空气流通。
Keith opened the window and leaned out into the cold air.
基斯打开窗户,探出身到冷风中。
Cars are a major cause of air pollution.
汽车是空气污染的主要原因。
Air is used to refer to travel in aircraft.
Air travel will continue to grow at about 6 per year.
乘飞机旅行的人数将以每年大约6的速度持续增加。
The air is the space around things or above the ground.
Government troops broke up the protest by firing their guns in the air.
政府军通过朝天鸣枪驱散了这场抗议示威。
clear the air
If you do something to clear the air, you do it in order to resolve any problems or disagreements that there might be.
an inquiry just to clear the air and settle the facts of the case.
一个只是澄清视听并确认事实的调查。
in the air
If something is in the air it is felt to be present, but it is not talked about.
There was great excitement in the air.
人人都感到了无比的激动。
on the air
If someone is on the air, they are broadcasting on radio or television. If a programme is on the air, it is being broadcast on radio or television. If it is off the air, it is not being broadcast.
We go on the air, live, at 11.30 a.m.
我们上午11:30进行现场直播。
thin air
If someone or something disappears into thin air, they disappear completely. If someone or something appears out of thin air, they appear suddenly and mysteriously.
He had materialized out of thin air; I had not seen or heard him coming.
他突然神秘地出现了;我既没看到也没听到他进来。
airs , airing , aired
If a broadcasting company airs a television or radio programme, they show it on television or broadcast it on the radio.
Tonight PBS will air a documentary called 'Democracy In Action'.
今晚PBS公共电视网将播放一部名为《民主进行时》的纪录片。
If you air a room or building, you let fresh air into it.
One day a week her mother cleaned and aired each room.
每周一天,她的母亲给每一个房间进行清扫并通风。