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。
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。
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？
Climate change will cause air pollution and diseases.
气候变化会导致空气污染，引发疾病。
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。
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。
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。
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。
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。
The exhibition tells us we should do something to stop air pollution.
这场展览告诉我们应该采取措施来防止空气污染。
The composition and levels of air pollution vary from place to place.
空气污染的成分和程度在各个地方都不尽相同。
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。
The exhibition tells us why we should do something to stop air pollution.
这个展览告诉我们为什么要采取行动阻止大气污染。
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。
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。
There is no doubt that enough concern must be paid to the problem of air pollution.
毫无疑问，我们必须对空气污染问题有足够的重视。
In reaction to the phenomenon, some people called for raising the air pollution tax.
为了应对这一现象，有人要求增加空气污染税。
We are sure that if there are fewer people driving, there will be less air pollution.
我们确信，如果开车的人少一些，空气污染就会少一些。
To reduce air pollution, the government needs to impose a ceiling on carbon emissions.
为减少空气污染，政府需要设定碳排放上限。
Finally, the refining and burning of petroleum and its products can cause air pollution.
最后，石油及其产品的提炼和燃烧过程会造成空气污染。
Air pollution will remain a problem for a long time, though we have done a lot to solve it.
尽管我们已经做了很多工作来解决空气污染问题，但它在很长一段时间内仍将是一个问题。
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。
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