Air pollution has risen above an acceptable level.
空气污染已经超标。
Air pollution in the city had reached four times the acceptable levels.
这座城市的空气污染程度曾高达可接受标准的四倍。
Cases of breathing difficulties increase in lockstep with air pollution.
呼吸困难的病例随空气污染的加剧而增加。
The new government has yet to grapple with the problem of air pollution.
新政府还需尽力解决空气污染问题。
High places are free of air pollution.
高处没有空气污染。
Climate change will cause air pollution and diseases.
气候变化会导致空气污染，引发疾病。
Burning gas, oil and coal creates air pollution.
燃烧可燃气体、石油和煤炭会产生空气污染。
People can reduce air pollution by riding bicycles.
人们可以通过骑自行车减少空气污染。
What is the man's advice on reducing air pollution?
这位男士对减缓空气污染有什么建议？
It causes environmental problems, like air pollution and temperature rise.
它可导致环境问题，如空气污染和温度上升。
The air pollution is a serious problem in our country.
空气污染在我国是一个严重的问题。
They needed more fuel, and it caused more air pollution.
它们需要更多的燃料，这造成了更多的空气污染。
Government has taken actions to stop water and air pollution.
政府已采取行动制止水污染和空气污染。
The use of new energy cars helps to reduce air pollution.
新能源汽车的使用有助于减少空气污染。
Every year, about 6.5 million people die because of air pollution.
每年，大约有650万人死于空气污染。
Air pollution is a big problem for cities in most countries.
对大多数国家的城市而言，空气污染是一个大问题。
To reduce air pollution, our city has put more shared-bicycles into use.
为了减少空气污染，我们的城市投入使用了更多的公共自行车。
We all know that most cars, motorcycles, boats and planes cause air pollution.
我们都知道大多数汽车、摩托车、船只和飞机会造成空气污染。
Tree WiFi is a simple way for people to know about the air pollution around them.
通过树木无线网这种简单的方式，人们可以了解到周围的空气污染情况。
It will also cause more air pollution, diseases and lack of clean water and so on.
它还会导致更多的空气污染、疾病和缺乏清洁水源等。
The Xiongan New Area will help solve problems in Beijing, like traffic jams and air pollution.
雄安新区将有助于解决北京的交通拥堵和空气污染等问题。
Conventional air pollution monitors are normally fixed on lampposts at about nine feet in the air.
传统的空气污染监测仪通常安装在灯柱上，并被固定在距离地面约九英尺的空中。
Do what you can to avoid air pollution.
做一切你能做的以避免空气的污染。
Air pollution is still the most serious.
空气污染仍然是最严重的。
Not all air pollution starts out as soot.
并非所有的空气污染物一开始都是煤烟。
Air pollution call for our special concern.
空气污染问题需要我们的特别关注。
Many a person has suffered from air pollution.
空气污染影响了很多人。
I can't bear the air pollution in this city anymore.
我再也不能忍受这个城市的空气污染问题了。
The air pollution is more and more serious at present.
目前空气污染越来越严重了。
The impact of air pollution on people will be gradual.
空气污染将逐渐影响人类。
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