backed up
US /ˈbækt ʌp/
UK /ˈbækt ʌp/
形容词
1.
堵塞的, 积压的
having a blockage that prevents things from flowing through
示例:
•
The toilet is backed up again.
马桶又堵塞了。
•
Traffic was backed up for miles due to the accident.
由于事故，交通堵塞了好几英里。
2.
having copies of computer files stored in a safe place
示例:
•
Make sure your important documents are always backed up.
确保您的重要文件始终备份。
•
My hard drive crashed, but luckily all my files were backed up.
我的硬盘崩溃了，但幸运的是我所有的文件都已备份。