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单词库 \ 英汉词典 \

back-up是什么意思

back-up

英['bæk'ʌp] 美['bæk'ʌp]

n. 备份，备用品，后备计划，后备人员；

相关单词 back

同义词

back-up的同义词之：
secondary

行业词典

计算机：【修】后备，备份[用]；

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