backup的中文翻译
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backup1
UK
/ˈbækʌp/
US
/ˈbækʌp/
备用;备用物
noun
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extra help or support that you can get if necessary
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The police had backup from the army.
警方从军队处得到支援。
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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。
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a backup power supply
后备电力供应
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a copy of a file, etc. that can be used if the original is lost or damaged
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Always make a backup of your work.
你工作时总要留个备份。
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a backup copy
备份