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Air pollution is extremely serious, especially in cities with heavy industry.
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空气污染相当严重，一些重工业城市尤为严重。 |
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Air pollution is geting more serious in our city.
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空气污染在我们城市中日益严重. |
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Air pollution is getting increasingly worse in our city.
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空气污染在我们城市中日益严重. |
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Air pollution is getting worse in our cities .
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空气污染在我们城市中日益严重. |
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Air pollution is getting worse in our city.
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空气污染在我们城市中日益严重. |
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Air pollution is going from bad to worse in our city.
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空气污染在我们城市中日益严重. |
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Air pollution is more and more serious in our city.
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空气污染在我们城市中日益严重. |
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Air pollution is serious more and more in our city.
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空气污染在我们城市中日益严重. |
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Air pollution is the most serious kind of pollution.
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空气污染是最严重的一种污染。 |
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Air pollution may lead pregnant women to have babies with heart deficiency later.
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在孕期接触污染空气的妇女很可能生下患有心脏缺陷的孩子。 |
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Air pollution prevention,removing the hazardous materials and odors in gases.
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环境空气污染防治，脱除气体中的有害物质、恶臭等。 |
