Backup program
[计] 备份程序
🧩 词语组成解析
backup
['bækˌʌp]
n. 支持，后援;阻塞;<计>备份文件;[乐]伴奏;
adj. 备用的，后补的;支持性的;伴奏的;
🗣️ 情景例句
She is not able to take your call at the moment.
她现在没办法接你的电话。
Choice of the end covers choice of the means.
选择目的包含著选择手段。
After we had landed, the plane was searched thoroughly.
我们降落之后，飞机被彻底搜查了一遍。