
好词典

源自动词 'back up',意为支持或复制,后加 '-s' 形成名词复数形式。
❶ 备份,指为防止数据丢失而额外存储的文件或系统副本,用于在原始数据损坏时恢复。
“Always keep backups of your important files.”
(务必为重要文件保留备份。)
“The company lost all its data because they had no backups.”
(公司因为没有备份而丢失了所有数据。)
❶ 后备人员或资源,指在主要人员或设备无法使用时作为替代的备用选项。
“The team has several backups in case of injuries.”
(队伍有几位后备队员以防受伤情况。)
“We need to find a backup for the main generator.”
(我们需要为主发电机找一个备用设备。)
backup plan — 后备计划,指在主要计划失败时准备的替代方案。
“Always have a backup plan in case things go wrong.”
(总要有个后备计划以防事情出错。)
backup system — 备份系统,指用于存储数据副本以防止数据丢失的系统。
“The IT department set up a new backup system for the company.”
(IT部门为公司设置了一个新的备份系统。)