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...
Cruz had to scavenge information from newspapers and journals.克鲁兹不得不从报纸和杂志中搜寻信息。The foxes come and scavenge the bones.狐狸过来寻觅骨头。The fish and crabs scavenge for decaying tissue.鱼和蟹搜寻腐烂的组织为食....