| 例句 |
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。Clouds are formations of condensed water vapor.云是水汽凝聚而成。Another idea is to condense water vapor from the atmosphere in the tropics by cooling it with cold ocean water.另一个想法是，用冰凉的海水把热带地区大气中的水蒸气冷却凝结。The clouds are composed of water vapor.云由水蒸气构成。 |