单词：back-up
[计] 后援; 备份
[医] 后盾(在大气中高压电流所通过距离)
[医] 后盾(在大气中高压电流所通过距离)
词型变化：名词复数形式 : back-ups
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...
【近义词】
- secondary次要的