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
Nets for tennis and badminton and so on.
有网球和羽毛球用的网等等。
Oh, half-and-half, you know.
马马虎虎。
It is all very well for such things to occur in fiction.
这种事发生在小说中是无可非议的。