Backup facility
[电] 备份设备, 备用设备
🧩 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
How much does it weigh?
它多重？
I'll pick his wallet from his pocket.
我要从他的袋子里扒取钱包。
'Do you always get up so late? It's one o'clock!'
“你总是起得这么晚吗？现在已经1点钟了！”