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
Would you please tell us payment terms?
请您告诉我们付款方式好吗？
How many pieces are you going to take?
你要拿几支？
It's cheaper, isn't it?
这更便宜些，是吗？