煤气管道已被关闭,以防漏气.The gas pipe has been blocked off to prevent escapes.这会造成漏气，破坏罐子的密封性。This would permit air to enter, breaking the hermetic seal of the jar.如果煤气管漏气, 你必须关闭送气管, 因为那很危险.If the gas blows back , you must turn off...
Ten years later, Dreyfus was rehabilitated.10年之后，德雷福斯的冤情得以昭雪。He has been rehabilitated in public esteem.公众已恢复对他的敬重.Young persons need to be, wherever possible, rehabilitated rather than punished.未成年人需要受到尽可能的矫正而不是惩罚....