back up
英 [bæk ʌp] 美 [bæk ʌp]

vi.

协防，补防；支持；堵塞；复制往后退；

英英释义

back up

• n.
  • an accumulation caused by clogging or a stoppage

    同义词：backup

  • someone who takes the place of another (as when things get dangerous or difficult)

    同义词：stand-insubstitutereliefrelieverbackupbackup manfill-in

  • a subordinate musical part; provides background for more important parts

    同义词：accompanimentmusical accompanimentbackupsupport

  • (computer science) a copy of a file or directory on a separate storage device

    同义词：backupcomputer backup

  • the act of providing approval and support

    同义词：backingbackupchampionshippatronage

• v.
  • give moral or psychological support, aid, or courage to

    同义词：support

  • move backwards from a certain position

    同义词：back offback down

  • establish as valid or genuine

    同义词：back

  • make a copy of (a computer file) especially for storage in another place as a security copy
  • become or cause to become obstructed

    同义词：clogchoke offclog upcongestchokefoul

词组短语

backup and recovery备份与恢复

backup and restore备份与还原

backup system备用系统；后备系统

backup roll支承辊；背辊；压辊

backup copy副本；备份件

backup file备份文件

backup software文件备份

backup device备份设备；备用设备

full backup全部备份

system backup系统备份；系统后备

backup storage n. 后备存储器

file backup文件备份；档案备份

更多收起词组短语

双语例句

用作不及物动词(vi.)

1. Because congestion prevents ships heading back to pick up new cargoes, it has helped to push prices up further.
   由于拥堵使船只难以返回运载新的货物，起到了进一步推高价格的作用。
2. Some drivers will switch to the bridge to shorten theircommute, but as the traffic builds up there the motorway starts to look like abetter bet, so some switch back.
   一些司机为了缩短行程选择走桥，但当桥上变得拥堵时，高速路似乎是更好的选择，因此一些司机又折返回来走桥。
3. The fire won't burn because the flue is blocked up.
   因烟道堵塞火烧不起来。
4. Clogged pipes backed up drain water.
   阻塞的水管堵塞了沟水。

用作及物动词(vt.)

1. She has almost nobody to take up for her.
   她几乎没有人支持。
2. The people are at the back of the government.
   人民是支持政府的。
3. The regime had been propped up by foreign aid.
   该政权是靠外国援助维持著的。
4. He turned his back on his own family when they did need help.
   他的家庭正需帮忙时，他不予援助。
5. The car backed up and hit the tree.
   汽车倒退撞在树上。
6. The steps are easy to trace back.
   易于将这些步骤倒退回去。
7. You can back up and restore full-text catalogs.
   可以备份和还原全文目录。
8. This option will back up files on the volume.
   该选项将备份卷中的文件。

权威例句

System and parallel streaming and data stripping to back-up a network
An expert system for the back-up protection of a transmission network
A back-up glycosylase in Nth1 knock-out mice is a functional Nei (endonuclease VIII) homologue.
A Novel Back Up Wide Area Protection Technique for Power Transmission Grids Using Phasor Measurement Unit
Direct methanol fuel-cell combined with a small back-up battery
DNA polymerase lambda mediates a back-up base excision repair activity in extracts of mouse embryonic fibroblasts
Back Up the Organization: How Employees and Information Systems Remember Organizational Practice
Effects of exit back-up on delamination in drilling composite materials using a saw drill and a core drill
Back up the organisation: how employees and information systems re-member organizational practice
Back up your Stance: Recognizing Arguments in Online Discussions