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
You think so?
你想会吗？
I usually feel timid in the presence of very bright people.
站在聪明人面前，我感到羞怯。
What horrible weather!
这鬼天气！