Offray奥弗雷offadv.表示状态的关闭或离开prep.离开；在 ... 之外adj.空闲的；离开的；关闭的v.离开；脱下Off-highway dump truck非公路自卸汽车off - design condition变工况off-piste snowboarding雪道外滑板滑雪off-the-job training脱产培训off-budget expenditure预算外支出off state characteristic截止特性曲线off- season production产期调控off state charactenistic截止特性曲线off-line input of data脱机数据输入off-axis chopper blade偏转调制盘叶片