back up 的意思?


back up 的意思?

文章插图
PPT最后一页写“back up“是往后退的意思,back up的意思有:支持,<篮球>协防,补防,堵塞,复制,往后退 。
back up
1、Radio signals received from the galaxy's centre back up the black hole theory
从该星系中心收到的无线电信号证实了黑洞理论 。
2、Make a point of backing up your files at regular intervals
一定要定期备份文件 。
3、The Secretary General says the declaration must now be backed up by concrete and effective actions
秘书长说现在必须将宣言付诸具体有效的行动 。
4、His employers, Norfolk social services, backed him up.
他竖配的雇主——诺福克社会服念衫务中心给予了他支持 。
5、The girl denied being there, and the man backed her up.
女孩否认在场,那名男子证实了她的话 。
6、Back up, Hans
倒车,汉斯 。
7、Traffic into London on the M11 was backed up for several miles.
进入伦余高指敦的车辆在11号高速公路上堵了好几英里 。
8、I backed up carefully until I felt the wall against my back
我小心翼翼地后退,直到感觉后背碰到了墙壁 。
9、I get so annoyed when I lose work because I've forgotten to back it up.
当我因为忘了备份把完成的工作弄丢时,真是懊恼极了 。
【back up 的意思?】10、It is time the Government backed up its advert campaigns with tougher measures.
是政府采取更严厉的措施来兑现其宣传承诺的时候了 。

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