音标:['bækʌp] ; 柯林斯词典等级:1 级;
n. 倒车, 后退, 后援, 支持, 阻塞
vt. 做备份
a. 候补的, 支持的
[计] 备份; DOS外部命令:通常使用于将硬磁盘上指定的文件复制到软盘上
n. an accumulation caused by clogging or a stoppage
n. (computer science) a copy of a file or directory on a separate storage device
词型变化:名词复数形式 : backups
词性分布:
名词87%
动词13%

backup的用法和样例:

例句

用作名词(n.)
  1. When the main system fails, the backup system take over.当主系统不能工作时,后备系统立即投入工作代替之。
  2. We offer a free backup service to customers.对顾客我们提供免费配套服务。
  3. The backup job resides on the primary server.备份作业驻留在主服务器上。

词汇搭配

  • backup software备份软件
  • backup diskette备份软盘
  • backup storage后备存储器
  • backup data备用数据
  • backup procedure备份过程
  • backup system后备系统,备用系统...
  • analog backup模拟后援
  • battery backup后备电池
  • backup operation备份操作
  • backup washer支撑垫圈
  • backup ring垫环
  • backup file备份文件
  • backup aid备用辅助设备...
  • manual backup人工接替,手动后备调...
  • backup roll支承辊
  • backup aircraft预备机
  • backup copy备份拷贝
  • backup plate垫片,靠板
  • reversing light[汽]倒车灯
  • back up(因积聚而)拥堵...
【近义词】

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ahemeral days
arbitrary-function generator
beam intensity distribution
beginning of conversation
calorie small
can you feel my world
carboxylic acrylonitrile butadiene rubber latex
cargo winch
champenize
chlorvinyldichloroarsine
chrome-manganese-silicon alloy steel
chromospheric eruption
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get a patent on
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It's a small world.
large rock mass
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Moorhusen
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Réclère
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separated layer fertilization
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Spinoolivary
star cross
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tabp
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time working day
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u-verse
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wow us
Zhanay