| 释义 |
backup | BrE ˈbakʌp, AmE ˈbækˌəp | noun ① uncountable (support) 支持 zhīchí ; Military 增援 zēngyuán ▸ a backup team 增援队伍 ② countable (replacement) 备用物品 bèiyòng wùpǐn ; (person) 后备人员 hòubèi rényuán ▸ a backup plan 备用计划 ▸ to keep a battery as a backup 留一节电池备用 ③ countable Computing (copy) 备份 bèifèn ▸ a backup file 备份文件 |