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。The car windows were fogged with vapor.车窗上满是雾气。When nitric acid is poured on copper, a brown vapor gives off.将硝酸倒在铜上, 会散发出一种棕色的蒸...
Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV.通风: 为了使气体聚集程度维持在阀极限值之下,应提供通畅的向下棋流排气通风设施.Water vapor from the evaporative recovery process may be recondense...
英国的马蒂娜·勒穆瓦昂南通过四局的比赛击败了同胞苏珊娜·霍纳。Britain's Martine Le Moignan defeated her countrywoman Suzanne Horner in four games.马蒂娜?辛吉斯总喜欢体育,三岁时就开始滑雪和打网球.Martina Hingis always enjoyed sport and began skiing and playing tennis at...
蕾特别喜欢咯咯地笑，而且总是爱开玩笑。Ray was very giggly and joking all the time.保罗十分讨人喜欢，开玩笑时很有分寸。Paul is a thoroughly likeable man with an unerring sense of comedy.我可不是开玩笑,事情够麻烦的了.I'm serious, things are difficult enough as they ar...