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。
Air pollution is still the most serious.
空气污染仍然是最严重的。
Air pollution is becoming increasingly serious, so we must take measures to control it.
空气污染越来越严重，所以我们必须采取措施加以控制。
Air pollution call for our special concern.
空气污染问题需要我们的特别关注。
Do what you can to avoid air pollution.
做一切你能做的以避免空气的污染。
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。
The impact of air pollution on people will be gradual.
空气污染将逐渐影响人类。
The air pollution is more and more serious at present.
目前空气污染越来越严重了。
We must address ourselves to the problem of air pollution.
我们必须设法解决空气污染问题。
The subject of air pollution is very near to everyone's heart.
空气污染是每个人都非常关心的话题。
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。
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。
The problem of air pollution should be the top priority for the government.
政府应优先考虑空气污染问题。
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。
Environmental issues, such as air pollution and water pollution, directly affect people's lives.
环境问题，如空气污染和水污染，直接影响人们的生活。
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。
Many a person has suffered from air pollution.
空气污染影响了很多人。
Many a person has suffered from air pollution.
空气污染影响了很多人。
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