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关注：1
2013-05-23 12:21
求翻译：When people think about air pollution, they usually think about smog, acid rain, CFC's, and other forms of outdoor air pollution. But did you know that air pollution also can exist inside homes and other buildings? It can, and every year, the health of many people is affected by chemical substances present in the air w是什么意思？ 待解决
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When people think about air pollution, they usually think about smog, acid rain, CFC's, and other forms of outdoor air pollution. But did you know that air pollution also can exist inside homes and other buildings? It can, and every year, the health of many people is affected by chemical substances present in the air w
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
When people think about air pollution, they usually think about smog, acid rain, CFC ' s, and other forms of outdoor air pollution But . did you know that air pollution can also exist inside homes and other buildings? It can, and every year, the health of many people is affected by chemical substanc
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2013-05-23 12:24:58
When people think about air pollution, they usually think about smog, acid rain, CFC's, and other forms of outdoor air pollution. But did you know that air pollution also can exist inside homes and other buildings? It can, and every year, the health of many people is affected by chemical substances
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2013-05-23 12:26:38
When people think about air pollution, they usually think about smog, acid rain, CFC's, and other forms of outdoor air pollution. But did you know that air pollution also can exist inside homes and other buildings? It can, and every year, the health of many people is affected by chemical substances
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2013-05-23 12:28:18
When people think about air pollution, they usually think about smog, acid rain, CFC's, and other forms of outdoor air pollution. But did you know that air pollution also can exist inside homes and other buildings? It can, and every year, the health of many people is affected by chemical substances
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