backup的中文翻译

翻译

backup

字典
  • backup1   UK /ˈbækʌp/  US /ˈbækʌp/ 
    备用;备用物
    noun
    • extra help or support that you can get if necessary
      • The police had backup from the army.
        警方从军队处得到支援。
      • We can use him as a backup if one of the other players drops out.
        如果有运动员退出,我们就用他做后援。
      • a backup power supply
        后备电力供应
    • a copy of a file, etc. that can be used if the original is lost or damaged
      • Always make a backup of your work.
        你工作时总要留个备份。
      • a backup copy
        备份
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