Library backup
[计] 库后援, 库后备
🧩 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
Let's go to your favorite restaurant to commemorate this occasion.
我们去你最喜欢的餐馆来纪念这次活动？
The teacher was not at all happy with his students.
那位老师对他的学生毫不满意。
Have a nice weekend.
周末愉快。