Word · Frequency #15901
backup
因堵塞或停止而造成的积累
核心释义
an accumulation caused by clogging or a stoppage
- 1.
储备或替代品
A reserve or substitute.
- 2.
因堵塞或停止而造成的积累
an accumulation caused by clogging or a stoppage
- 3.
文件或记录的副本,与原件分开存储,可用于恢复原件
A copy of a file or record, stored separately from the original, that can be used to recover the original if it is damaged or destroyed.
- 4.
在危险或困难时替代他人的人
someone who takes the place of another (as when things get dangerous or difficult)
- 5.
由于(部分)阻塞或(完全)堵塞导致的材料积累,或因流量超过最大可能流量而导致的溢出
An accumulation of material caused by a (partial) obstruction or (complete) blockage of the flow or movement of the material, or an accumulation of material that causes an overflow due to the flow being greater than the maximum possible flow.
- 6.
支持或提供背景的音乐部分(声乐或器乐)
a musical part (vocal or instrumental) that supports or provides background for other musical parts
- 7.
增援
Reinforcements.
- 8.
任何支持或额外帮助
Any support or extra help.
- 9.
伴奏
Accompaniment.
- 10.
证实
Corroboration.
储备或替代品；文件或记录的副本,与原件分开存储,可用于恢复原件；在危险或困难时替代他人的人；由于(部分)阻塞或(完全)堵塞导致的材料积累,或因流量超过最大可能流量而导致的溢出；支持或提供背景的音乐部分(声乐或器乐)
用法In use
The heavy rain caused a backup in the drainage system.
用法提示：backup在此作可数名词，指堵塞或积聚。
Traffic was slow due to a backup on the interstate.
用法提示：backup指因拥堵造成的车辆积压。
The plumber cleared the backup in the kitchen sink.
用法提示：backup指管道堵塞导致的积水或废料积聚。
a traffic backup on the main street
he discovered a backup in the toilet
make/create a backup of sth
You should make a backup of all important files.
相关词与表达Connections
搭配Collocations
- make a backup
- 做备份
- You should make a backup of your files before updating the software.在更新软件之前，你应该给文件做个备份。
- backup plan
- 备用计划
- We have a backup plan in case the original venue is unavailable.万一原来的场地不能用，我们还有备用计划。
- backup file
- 备份文件
- The backup file is stored on an external hard drive.备份文件储存在外置硬盘上。
- restore from a backup
- 从备份恢复
- She restored the document from a backup after it was accidentally deleted.文件被意外删除后，她从备份中恢复了该文档。
- backup singer
学习提示Learner notes
记忆技巧Memory Tip
联想“back（背后）+ up（往上）”：把重要文件往背后高处多存一份，就是备份；堵车时车辆积压成队，也像多出来的一排“后备”。
语境与语域Context & Register
语域：mixed 常见场景：computing/data storage、traffic reports、replacement/standby people backup 作名词时，语域随使用场景变化：在计算机数据备份和正式书面语中通常为中性，在口语中指替补人员或后备力量时比较常见，在交通报道中表示拥堵也很自然。
语法说明Grammar Note
可数名词，表示备份或支持的意思。
发音与拼写Pronunciation & Spelling
按发音对应关系分组：与 backup 中 back 部分 /bæk/ 对应：black /blæk/、track /træk/、backpack /ˈbækˌpæk/；与 up 部分 /ʌp/ 对应：up /ʌp/、cup /kʌp/、pup /pʌp/。注意 backpack 与 backup 长相相似，但第二音节读 /pæk/；cut /kʌt/ 与 cup 形近，但结尾是 /t/。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.