单词	backup plan
释义	backup plan 备份计画
随便看	step induction regualtor step induction regulator step induction voltage regulator Stepin Fetchit stepinfetchit, stepin fetchit step in for steping stepings Stepinonine step input step-input stepinput step input/output table step input response step input signal step-ins step ins step insertion of reactivity step inside step interval step into step into my office step into one's shoes step into power step into sb's shoes 帘风不动蝶交飞帝乡明日到帝命守坟帝城几度斜晖帝城春欲暮帝城赊帝子泣兮绿云间帝得圣相相曰度帝旁投壶多玉女帝曰汝度功第一玩火玩物玩皮玩笑玩索玩耍玩话玩赏玫玫瑰