backup

名词 n. 动词 v. 形容词 adj.
中文释义

英文释义

名词 n.
  1. A reserve or substitute. countable,uncountable
    — If the goalkeeper is injured, we have a backup.
  2. A copy of a file or record, stored separately from the original, that can be used to recover the original if it is damaged or destroyed. countable,uncountable
    — After the power failure, we had to restore the database from backup.
  3. An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow. countable,uncountable
    — The accident caused a mile-long backup on the highway.
  4. Reinforcements. uncountable
    — He's got a gun! You'd better send for backup.
  5. Any support or extra help. broadly,uncountable
    — Shaman: My patience is tested, but Uvenk invokes correctly. Grunt, who is your krantt? Your allies willing to kill and die on your behalf? Shepard: How is a candidate tested if he brings backup on his Rite of Passage? Shaman: Not every krogan can be the strongest warrior, but each must inspire his peers to battle at his side. Shaman: If the ones who know you best can find nothing worthy in you, you should wander the wastes and die alone before you weaken my clan.
  6. Accompaniment. uncountable
    — Debbie Ahn, on piano, provided some mesmerizing back-up and many fiery, on-target solos.
  7. Corroboration. uncountable
    — Pg. 206 on Yudit's comments on the feminists of Tel Aviv, "... and now they are translating Our Bodies Ourselves into Hebrew, leaving out the section on gays" was misinformed, a statement made without authoratative ^([sic]) backup in 1979 about a book first published in 1982.
动词 v.
  1. Alternative form of back up. alt-of,alternative,nonstandard
    — We have two methods for backupping: the first one is writing the contents of disks onto magnetic tapes and the other is making a copy of the contents of disks on the disk of the mainframe computers of the laboratory.
形容词 adj.
  1. Standby, reserve or extra. not-comparable
    — I am only a backup player.
  2. That is intended as a backup. not-comparable
    — Make a backup copy of that file.
  3. Supporting, reinforcing; (music) of or related to accompaniment not-comparable

词形变化

backups plural back-up alternative back-up alternative backups present,singular,third-person backupping participle,present backupped participle,past backupped past back-up alternative

词汇关系

近义词
reserve spare
衍生词
battery backup autobackup backup beeper backup camera backup copy backup vocalist backup vocals incremental backup rolling backup

词源

词源 1
Etymology tree
English back updeverb.
English backup
Deverbal from back up.
词源 2
Etymology tree
English back updeverb.
English backup
Deverbal from back up.
词源 3
Etymology tree
English back updeverb.
English backup
Deverbal from back up.
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