死因被判定为一氧化碳中毒。

The cause of death was given as ___carbon ___monoxide poisoning.

车辆会排放一氧化碳这种危险污染物。

Vehicles emit ___carbon ___monoxide, a dangerous pollutant.

安装一个探测器，以便在家中一氧化碳泄漏时发出警报。

Install a detector to alert you to ___carbon ___monoxide leaks in your home.