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
Does he know you're here?
他知道你在这 吗？
The lawyer must announce that you are the true inheritor of the family fortune.
律师必须公布你就是真正的遗产继承人。
Would you mind if I smoked in the office next door?
我在隔壁吸烟可以吗？