Backup system
[电] 后备系统
🧩 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
Dad and I were planning to go to the game,
爸爸本来要和我一起去，
My cousin is a member of a flying club, He seem private flying.
我的表兄是一个飞行俱乐部成员，他似乎很喜欢飞行。
Their life is a natural harmony.
他们的生活是一种自然的和谐，