back up
备份,备用,备置,备援
Related Words
Definitions
- 1
- : a person or thing that supports or reinforces another.
- : a musician or singer or group of musicians or singers accompanying a soloist: a singer with a three-man backup that plays cello, bass, and guitar.
- : an overflow or accumulation due to stoppage, malfunctioning, etc.: a sewage backup; a backup of cars at the tollbooth.
- : a person, plan, device, etc., kept in reserve to serve as a substitute, if needed.
- : Computers. a copy or duplicate version, especially of a file, program, or entire computer system, retained for use in the event that the original is in some way rendered unusable.a procedure to follow in such an event.
- : Bowling. a ball that curves in a direction corresponding to the bowling hand of the bowler.
- 1
- : held in reserve as a substitute if needed: a backup driver; a backup generator.
- : performing a secondary or supporting function: A drummer and guitarist are the singer's backup musicians.
Synonyms & Antonyms
Examples
It typically takes days to get results back, and backups at labs can drag the process out for a week or two.
They have to be pretty confident they have someone to replace Mayer if they didn’t even get him to stay as a backup.
Using new technologies and backup power sources, Winn said SDG&E has also taken steps to reduce the number of customers who lose power this year.
At the start of the Covid-19 outbreak, when my insurance wouldn’t allow me to get a backup supply of the insulin I need to live, I received eight vials in the mail from my friend Rena.
As a backup, researchers should also consider using a less tested freeze-drying technique known as lyophilization.
Sometimes, they had a backup aim if their main goal fell through as the night dragged on.
In early October, Health Republic allowed me to submit a “grievance claim” which I filed, along with a pile of backup documents.
At 12:02 p.m., Wilson called in his location and asked the dispatcher for backup.
Backup dancers materialize, sparking a torrent of eye-catching choreography.
She retreated into the lobby, but only to call for backup and an ambulance.
She could swap out a dead bot for a backup in five minutes flat, which is all that crowd-control would permit.
My cochlea struck twelve noon and a HUD appeared with my weekly backup reminder.
My next-most-recent backup was three years old, dating from the completion of my second symphony.
I stopped in front of the backup terminal in the gateway between Liberty Square and Fantasyland.