plural backups
plural backups
Learner's definition of BACKUP
1
a [count] : a person or thing that can be used to replace or support another person or thing后备人员;备用物品 —
often used before another noun常用于另一名词前 b [noncount] : help or support provided by additional people or things增援;支援;后援 -
The policeman called for backup [=called for other police to come and help him] because the suspect was carrying a gun.由于嫌犯手里有枪,警察请求增援。
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We have an extra radio for backup.我们还有一台备用收音机。
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He provides backup for the regular quarterback.他担任主力四分卫的替补。
2
[count] US : a situation in which the flow of something (such as traffic) becomes blocked(交通等)堵塞,不畅 3
[noncount] : a musical part that is sung to support the main singer伴唱;伴奏 —
often used before another noun 常用于另一名词前 4
[count] : a copy of information stored on a computer(资料的)备份 —
often used before another noun 常用于另一名词前 also : the act or process of making such a copy备份(过程) — see also back up at 4back