Device backup
[计] 设备后援, 设备备份
🧩 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
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
There's a ten thirty flight in the morning.
早上10点半有班机。
They stretch out their legs like flying squirrels.
它们伸展四肢，就像飞行中的松鼠一样。