Safet萨费特safeadj.安全的；安然无恙的；可靠的；谨慎的n.保险箱safe injection安全注射safe inventory安全库存safe as housesadj.非常安全(非常可靠)safe-blowingn.炸开保险箱行窃；adjsafe education安全教育safe drop test防坠试验safe to say so这样说错不了safe opcration安全运行safe accidents安全事故safe - valve安全阀