1. The two principal combustion products are water vapor and carbon dioxide.
两种主要的燃烧产物是水蒸气和二氧化碳。
2. Mars has an insubstantial atmosphere, consisting almost entirely of carbon dioxide.
火星的大气层极其稀薄，几乎全部由二氧化碳构成。
3. Carbon dioxide is a necessary result of the oxidation of carbon compounds.
碳化合物氧化后必然会产生二氧化碳。
4. The proposed initiative would mandate a reduction of carbon dioxide of 40%.
倡议将强制规定把二氧化碳排放量降低40%。
5. the emission of carbon dioxide into the atmosphere
向大气排放二氧化碳 |