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
Take it easy.
别着急。
I'm going to give him a silver one.
我正要给他一个银的。
The sense of humour is mysteriously bound up with national characteristics.
幽默感与民族有着神秘莫测的联系。