| 单词 | backup |
| 释义 | backup (once / 2438 pages) 1n 2n 3n Backup is what someone gives when they help or support you. A brand new doctor might need some backup in the emergency room for the first few weeks. Use the noun backup when you talk about extra assistance or help. Police officers call for backup when they're not sure they can handle a situation on their own, and store cashiers need backup when things get busy and customers start lining up. Another kind of backup is the one you do on your computer — in this case, a backup is the process of copying your data in case you lose the original files. WORD FAMILYbackup: backups USAGE EXAMPLESThe Broncos rallied for a win, got home-field advantage in the playoffs and Manning was no longer the backup. Seattle Times(Jan 02, 2017) At 31, he signed with the Bills this season as a backup. New York Times(Jan 02, 2017) A little more than an hour later an officer spotted the stolen car, called for backup, and began pursuing the suspects. Seattle Times(Jan 02, 2017) 1 1n the act of providing approval and support Syn|Hyper backing, championship, patronage approval, approving, blessing the formal act of approving 2n a musical part (vocal or instrumental) that supports or provides background for other musical parts Syn|Hypo|Hyper accompaniment, musical accompaniment, support descant, discant a decorative musical accompaniment (often improvised) added above a basic melody vampan improvised musical accompaniment part, voice the melody carried by a particular voice or instrument in polyphonic music 3n someone who takes the place of another (as when things get dangerous or difficult) 2Syn|Hypo|Hyper backup man, fill-in, relief, reliever, stand-in, substitute locum, locum tenens someone (physician or clergyman) who substitutes temporarily for another member of the same profession double, stunt man, stunt womana stand-in for movie stars to perform dangerous stunts alternate, replacement, surrogatesomeone who takes the place of another person compeer, equal, match, peer a person who is of equal standing with another in a group n an accumulation caused by clogging or a stoppage 3a traffic backup on the main street he discovered a backup in the toilet Hyper accretion, accumulation an increase by natural growth or addition n (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 Syn|Hyper computer backup duplicate, duplication a copy that corresponds to an original exactly |
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