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
Will it be too late if I call around 9:00 tonight?
如果我在晚上9点左右打来会不会太晚？
I can come any day except Thursday.
我除了星期四任何一天都能来。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。