A report published in 1992 by the US Environmental Protection Agency(EPA) emphasized the health dangers , especially from side-stream smoke.
在1992年由EPA发表的报告强调了健康的危险，尤其来自于侧流烟。
A report published in 1992 by the US Environmental Protection Agency(EPA) emphasized the health dangers , especially from side-stream smoke.
在1992年由EPA发表的报告强调了健康的危险，尤其来自于侧流烟。
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