back-up
讀音漢語翻譯
【計】 後援; 備份【醫】 後盾(在大氣中高壓電流所通過距離)
英文解釋：
名詞 back-up:
- an accumulation caused by clogging or a stoppage同義詞：backup
- someone who takes the place of another (as when things get dangerous or difficult)同義詞：stand-in, substitute, relief, reliever, backup, backup man, fill-in
- a subordinate musical part; provides background for more important parts同義詞：accompaniment, musical accompaniment, backup, support
- (computer science) a copy of a file or directory on a separate storage device同義詞：backup, computer backup
- the act of providing approval and support同義詞：backing, backup, championship, patronage
動詞 back-up:
- give moral or psychological support, aid, or courage to同義詞：support, back up
- move backwards from a certain position同義詞：back up, back off, back down
- establish as valid or genuine同義詞：back, back up
- make a copy of (a computer file) especially for storage in another place as a security copy同義詞：back up
- become or cause to become obstructed同義詞：clog, choke off, clog up, back up, congest, choke, foul
例句：
- The police had military back-up.警方有軍隊作後盾。