carcinogenic pollutant

例句：

1. 1. The factoryemits a carcinogenic pollutant that can cause cancer.
   这家工厂排放了一种致癌污染物，可能导致癌症。
2. 2. The governmenthas been working to reduce the levels ofcarcinogenic pollutants in theair.
   政府一直在努力减少空气中的致癌污染物水平。
3. 3. The study found that exposure tocertain carcinogenic pollutants couldincrease the risk of developing lung cancer.
   研究发现，暴露于某些致癌污染物可能会增加患肺癌的风险。