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
You have a good command of English.
你的英语水平很好。
Why are you talking so far?
你为什么说得这样快？
I don't think there are. But there are more men than women scientists. And more men than women are heads of companies.
我想没有。但是，男科学家比女科学家多。而且，各公司的负责人中，男人要比女人多。