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
I wouldn't be surprised if your son goes to harvard.
我觉得你儿子很有希望上哈佛。
It's my treat this time.
这次我请客！
Captain Fawcett's first passenger was a doctor who flew from Birmingham to a lonely village in the Welsh mountains.
弗西特机长的第一名乘客是位医生，他从伯明翰飞往威尔士山区一个偏僻的村庄。