Offret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-center arrestment偏心拦阻减速
Officinal vegetable oil药用植物油
off-board transaction场外交易
off time between pulses脉冲间隔时间
off-peak-power rate减价费率
off-line regeneration离线再生
Offload Control Officer卸货控制官
off-price merchandise特价商品
off- gas clean - up尾气净化
off-season employment淡季就业