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
so they're angry at me.
所以他们生我的气。
Sure. Just help yourself.
可以，自己拿吧。
You and Lily must come over to my house and see!
你和莉莉应该到我家来看看！