back up

verb

1. establish as valid or genuine

e.g. Can you back up your claims?

Synonym: back

2. become or cause to become obstructed

e.g. The leaves clog our drains in the Fall
The water pipe is backed up

Synonym: clogchoke offclog upcongestchokefoul

3. make a copy of (a computer file) especially for storage in another place as a security copy

e.g. You'd better back up these files!

4. move backwards from a certain position

e.g. The bully had to back down

Synonym: back offback down

5. give moral or psychological support, aid, or courage to

e.g. She supported him during the illness
Her children always backed her up

Synonym: support

1. 支持，证实（某种说法）
If someone or something backs up a statement, they supply evidence to suggest that it is true.

e.g. 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。
e.g. Her views are backed up by a 1989 Home Office report on crime.
1989年内政部的一份犯罪报告印证了她的观点。

2. 备份（文件）
If you back up a computer file, you make a copy of it which you can use if the original file is damaged or lost.

back up

e.g. Make a point of backing up your files at regular intervals...
一定要定期备份文件。
e.g. 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。

3. 将…付诸实施
If an idea or intention is backed up by action, action is taken to support or confirm it.

e.g. 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。
e.g. 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。

4. 支持（某人）
If you back someone up, you show your support for them.

e.g. His employers, Norfolk social services, backed him up.
他的雇主——诺福克社会服务中心给予了他支持。

5. 证实（某人）的说法
If you back someone up, you help them by confirming that what they are saying is true.

e.g. 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. 倒车
If you back up, the car or other vehicle that you are driving moves back a short distance.

e.g. Back up, Hans...
倒车，汉斯。
e.g. He backed up a few feet and rolled the window down...
他往后倒了几英尺，然后摇下车窗。

7. （车辆）堵塞，排成长龙
If vehicles back up, they form a line of traffic which has to wait before it can move on.

e.g. Traffic into London on the M11 was backed up for several miles.
进入伦敦的车辆在11号高速公路上堵了好几英里。

8. 倒行；退着走；后退
If you back up, you move backwards a short distance.

e.g. 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。
e.g. She backed up a few steps.
她后退了几步。

9. see also: backup

1. back up什么意思

1. 备份：3 夏天的风 (Winds Of Summer) 词:卫斯理 曲:卫斯理04 新闻主播 (News Anchor) 词:卫斯理 曲:卫斯理06 王老五 (Single Man) 词:卫斯理 曲:卫斯理07 大哥大 (Cell Phone) 词:卫斯理 曲:卫斯理08 备份 (Back Up) 词:卫斯理/是元

2. 支持：说起事务所关联的话题,首先,我想就日本方面的支持(back up)来说一下. 有一个传闻,以前(好像是80年代前半的时候),歌手赵容弼(Cho Yong-pil)意图进出日本. 很偶然地,在日本的某个私人聚会上,他在某日本著名歌手前面发表了演唱(只是宴会上的一个曲子).

3. 支援：ECU亦支援一组支援(back up)机构, 当gear position sensor 出现短路或开路(open circut)及sensor通往ECU的线路断线情形时ECU则会自动将MAP 读取锁定在只读取第6 档位置的MAP!