| 单词 | backup |
| 释义 | backup (bækʌp ) also back-up Word forms: backups 1. variable noun B2 Backup consists of extra equipment, resources, or people that you can get help or support from if necessary. There is no emergency back-up immediately available. Alternative treatments can provide a useful back-up to conventional treatment. 2. variable noun B2 If you have something such as a second piece of equipment or set of plans as backup, you have arranged for them to be available for use in case the first one does not work. Every part of the system has a backup. Computer users should make regular back-up copies of their work. Collocations: emergency backup In the early 1970s, a small pond was expanded to a 160 acre lake to serve as an emergency backup water supply for the station. Retrieved from Wikipedia CC BY-SA 3.0 Lithium-ion batteries in the nose of each pod will provide power during take off and an emergency backup for landing. Retrieved from Wikipedia CC BY-SA 3.0 The permanent replacement was built with a second (shorter) tower as an emergency backup. Retrieved from Wikipedia CC BY-SA 3.0 Although he insisted on remaining on the sideline as an emergency backup, ultimately he was placed on injured reserve to undergo his 3rd shoulder surgery. Retrieved from Wikipedia CC BY-SA 3.0 At one point, an estimated 25,000 telephones were knocked out of service, with half of the central telephone exchange operating on emergency backup power. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 支持 Japanese: バックアップ |
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