back up
参考词典中back up的常规释义：
基本释义
- 支持;倒车;证实;淤塞
备份
参考例句
- They thrust him into the back room and tied him up.
他们将他推入后房并把他捆了起来。 - Liu Bei was given 1,000 troops as the back up force.
刘备带一千人马作后援。 - I sing to a karaoke back up.
我唱卡拉OK - I am always backing you up.
我每次都支持你！ - Harris will back me up wholeheartedly as he used to.
哈里斯会像过去一样全心全意地支持我。
- They thrust him into the back room and tied him up.
英英解释
5个动词解释
- give moral or psychological support, aid, or courage to
[同] back up, support
[例]- She supported him during the illness
- Her children always backed her up
- move backwards from a certain position
[同] back down, back off, back up
[例]- The bully had to back down
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5
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- establish as valid or genuine
[同] back, back up
[例]- Can you back up your claims?
- make a copy of (a computer file) especially for storage in another place as a security copy
[例]- You'd better back up these files!
- become or cause to become obstructed
[同] congest, foul, back up, choke, choke off, clog, clog up
[反] unclog
[例]- The leaves clog our drains in the Fall
- The water pipe is backed up
less ...点击查看……- give moral or psychological support, aid, or courage to
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