carcinogenic factor

例句：

1. 1. The study found that exposure tocertain carcinogenic factors can increase therisk of cancer.
   研究发现，暴露于某些致癌因子会增加患癌症的风险。
2. 2. The researchers identifiedseveral carcinogenic factors that could contributeto the development of lung cancer.
   研究人员识别出几种可能促进肺癌发展的致癌因子。
3. 3. Thegovernment has implemented strict regulations to reduce thecarcinogenic factors in the workplace.
   政府已实施严格的规定，以减少工作场所的致癌因子。