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来源:雅诚德英语网
Cancer. Secondhand smoke is a known risk factor for lung cancer. Some research also suggests a link between secondhand smoke and various other types of cancer.
癌症。众所周知,二手烟是肺癌的致病因素之一,一些研究还表明二手烟与其他癌症也有着千丝万缕的关系。
Cancer. Secondhand smoke is a known risk factor for lung cancer. Some research also suggests a link between secondhand smoke and various other types of cancer.
癌症。众所周知,二手烟是肺癌的致病因素之一,一些研究还表明二手烟与其他癌症也有着千丝万缕的关系。