相关例句

• CO is the formula for carbon monoxide.(CO是一氧化碳的分子式。)
• The particles interfere with the formation of carbon-14 on earth.(这些粒子干扰了地球上碳-14的形成。)
• Humans take in oxygen and breathe out carbon dioxide.(人吸入氧气，呼出二氧化碳。)
• We all need to look for ways to reduce our carbon footprint.(我们都需要寻找减少我们碳足迹的办法。)
• The amount of carbon dioxide released by human activities such as burning coal and oil is small in comparison.(相比之下人类燃烧煤、石油等活动所释放的二氧化碳的量是少的。)
• Diamond is the crystalline form of the element carbon.(钻石是碳元素的晶体结构。)
• They forget about one of the key causes of carbon dioxide.(他们忘记了二氧化碳产生的其中一个关键原因。)
• Carbon dust and oil build up in large motors and cause them to short-circuit.(碳尘和燃油在大发动机里越积越多，造成了发动机短路。)
• Richer countries must do more to cut back carbon emissions.(较富裕的国家必须作出更大的努力来减少碳排放量。)
• 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。)