英语语法分析

The result is that unburned gasoline or carbon monoxide come out the tail pipe.

结果，排气尾管即排出了尚未燃烧的汽油及一氧化碳。

They are picking over the cinders in the rubbish heap for unburned pieces of coal.

他们正在检查垃圾堆中的煤渣，拣出未烧掉的煤块。

These filters reduce air pollution by minimizing the discharge of unburned carbon monoxide.

这些过滤装置将未燃烧的一氧化碳含量降至最低，降低空气污染。