阿兰·普罗斯特以第三名的成绩结束比赛，实际上已经将世界冠军的位置拱手让人。Alain Prost finished third and virtually conceded the world championship.他比自己以前的最好成绩快了1秒多。He was over a second faster than his previous best time.康妮在学校表现很好，以优异的成绩毕业了。Connie did well a...
动物和人在稀薄的空气中都大口喘着气。Both animals and people were gasping for breath in the rarefied air.使用稀薄的混合气,发动机将不能很好地运转,并会出现加速后坐现象或失速停车现象.The engine will not run well with a lean mixture and may stumble or stall.并且我是太稀薄的, 我想要是更加肥胖的废弃...
Man – made CFCs are the main cause of ozone depletion in the stratosphere.人造氯氟烃是臭氧层破坏的主因.The decomposition of chlorofluorocarbons ( CFCs ) has been a hot topic in recent years.氟里昂分解已成为当今环保技术的热点之一.CFCs cause depletion of ...