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。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。Carbon dioxide is a ne...

n.二氧化碳...

carbon dioxide的音标：carbon dioxide的英式发音音标为：['kɑ:bən daɪ'ɔksaɪd]carbon dioxide的美式发音音标为：['kɑrbən daɪ'ɑksaɪd]...