| 1. | Each of the preceding classifications of polluted air masses involves primarily particulate pollutants .
上述每类被污染空气基本都含有粒状污染物。 |
| 2. | Polluted air poses a threat to our health
污染的空气对我们的健康构成威胁。 |
| 3. | Polluted air and water are harmful to people ' s health
污染的空气和水对人们的健康有害。 |
| 4. | The polluted air becomes poisonous and dangerous to health
被污染的空气具有毒性，并且危害健康。 |
| 5. | Polluted air hangs over the city
城市上空被污染的空气所笼罩。 |
| 6. | Badly polluted air can cause illness , and even death
被严重污染的空气将引起各种疾病，甚至死亡。 |
| 7. | One the other hand , are the increasing patients caused by polluted air
疾病是先天性还是后天引发的？ |
| 8. | America ' s national parks are endangered by polluted air
描述:美国的国家公园正遭受着严重的空气污染。 |
| 9. | He died from an accident / a wound / overwork / polluted air / carelessness
他死于事故/受伤/过度劳累/污染的空气/粗心。 |
| 10. | The polluted air in the city is badly endangering the health of the people
城市中被污染的空气严重地危及人民的健康。 |
