1·CO is the formula for carbon monoxide.
CO是一氧化碳的分子式。
—— 《牛津词典》
2·The limit for carbon monoxide is 4.5 per cent of the exhaust gas.
尾气中一氧化碳的排放量限制在4.5% 以下。
—— 《柯林斯英汉双解大词典》
3·Both nicotine and carbon monoxide inhaled with cigarette smoking have been incriminated as causative factors.
与香烟一起吸入的尼古丁和一氧化碳已经被指控为诱发性因素。
—— 《柯林斯英汉双解大词典》
4·Of all of them, canola is probably the least harmful because machines that use it don't produce as much carbon monoxide.
在所有这些蔬菜中，油菜籽可能是危害最小的，因为使用它的机器不会产生那么多的一氧化碳。
5·Carbon monoxide is also one of the chemicals that create ozone pollution and urban smog.
一氧化碳也是产生臭氧污染和城市雾霭的化学物质之一。