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
They have to be here.
它们肯定就在这儿。
You can stay as long as you pay the rent on time.
只要你按时交房租，你就能住这儿。
There are some books on the stereo.
音响上面有几本书。