翻译the level of air pollution in that city is four times as h

翻译the level of air pollution in that city is four times as h air pollution is a problem in the city cfnter.怎么翻译 there is less air pollution than in the city 翻译This is four times as big as that one. It is urgent that the acute problem of air pollution in the 英语that指代问题1.The problem of pollution in this city is more se the population of China is four times as___ as USA 为什么在The ____problem of our city is air pollution.中不能用worst? 英语翻译7.M:Air pollution is so bad in this city.I think the gov 英语翻译1.The air pollution in our city is terrible,but we have 25.If there is __D____ pollution, the air in our city will b What is the cause pollution of air?