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...
Air inside an alveolus gives oxygen to blood and receives carbon dioxide from blood.肺泡里的空气给血液供氧,同时接收血液里的二氧化碳.Through this incision, the abdominal cavity is distended with carbon dioxide gas...二氧化碳气体通过这个切口进入，造成腹腔肿胀。Methan...