carbon monoxide pollution

例句：

1. 1. The factory has been heavilycriticized for its high levels of carbonmonoxide pollution.
   该工厂因其高浓度的一氧化碳污染而受到严厉批评。
2. 2. Carbon monoxide poisoning canbe fatal if not treated quickly.
   如果不及时治疗，一氧化碳中毒可能是致命的。
3. 3. Thecity is working to reduce its carbon monoxide emissions and improve air quality.
   该市正在努力减少其一氧化碳排放并改善空气质量。