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back-up的英文翻译是什么意思，词典释义与在线翻译：
英英释义
名词 backup:
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an accumulation caused by clogging or a stoppage
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someone who takes the place of another (as when things get dangerous or difficult)
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a musical part (vocal or instrumental) that supports or provides background for other musical parts
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(computer science) a copy of a file or directory on a separate storage device
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the act of providing approval and support
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give moral or psychological support, aid, or courage to
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move backwards from a certain position
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establish as valid or genuine
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make a copy of (a computer file) especially for storage in another place as a security copy
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become or cause to become obstructed
back-up的用法和样例：
例句
用作名词 (n.)
- Liu Bei was given 1,000 troops as the back up force.
刘备带一千人马作后援。 - You can back up and restore full-text catalogs.
可以备份和还原全文目录。 - This option will back up files on the volume.
该选项将备份卷中的文件。 - You should carry a spare wheel in the back of your car.
你应在车后带一个备用的轮胎。 - He asked Congress for stand-by authority to call up the reserves.
他要求国会授予他征召后备役的备用权力。
词汇搭配
- get someone's back up 惹某人生气,把某人给...
- put one's back up 使生气; 变得倔强...
- get one's back up 使one生气; 变得...
- put someone's back up 使某人生气,触怒某人...
- back up (因积聚而)拥堵...
- one's back is up 生气
- run up the back 背后攻击(背后说人坏...
- rip up the back 背后攻击
- back up protection 后备保护
- back-up plate 垫片
- back-up system 后备系统
- back up power [化] 备用电源...
- file back-up 备用文件
- analog back-up 模拟后备
- back up system 后援系统
- back-up ring 支承环
- back up item 平行研制项目...
- back-up roller 支撑滚筒
- back up block 支撑块
- back-up protection 后备保护装置...
