英语词汇“back sth up”的读音、翻译、释义、用法及例句-出国留学网

词汇	back sth up
释义	back sth up(computing计算机技术) to make a copy of a computer program, etc in case the original one is lost or damaged 复制副本，作备份（以防原件丢失或损坏）
随便看	braked brake-down brake-in-on brakeless brake light brake lights brake-off brake-out brakes brake's brakier brakiest braking braky bralessness bran branch branched branched off branchery branches branches' branches off branchier branchiest

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