首页英语词典backupbackup英英释意

backup

英 ['bækʌp] 美['bæk,ʌp]
  • n. 支持;后援;阻塞
  • adj. 支持的;候补的
  • vt. 做备份

英英释意


1. an accumulation caused by clogging or a stoppage;
"a traffic backup on the main street"
"he discovered a backup in the toilet"
2. someone who takes the place of another (as when things get dangerous or difficult);
"the star had a stand-in for dangerous scenes"
"we need extra employees for summer fill-ins"
3. a subordinate musical part; provides background for more important parts
4. (computer science) a copy of a file or directory on a separate storage device;
"he made a backup in case the original was accidentally damaged or erased"
5. the act of providing approval and support;
"his vigorous backing of the conservatives got him in trouble with progressives"