backup 英式发音['bækʌp]美式发音['bæk,ʌp]
backup基本解释
n,支持;[计]后援;阻塞,同近
backup相关例句和用法
There is no emergency back-up immediately available..没有立即就能获得的后备。
backup英英释义
支持;后援;阻塞英释中释nBackup consists of extra equipment, resources, or people that you can get help or support from if necessary
backup短语
backup and recovery,备份与恢复.短语