back up中文什么意思
（使）积压，（使）拥塞
策应者，后援
磁带备份，支持，预备
磁带备份，支援，预备
+更多解释...- back: n. 1.背，背部；背脊；背面，反面 ...
- up: adv. (superl. uppe ...
- to back up: 支持
例句与用法
更多例句： 下一页- His offhand manner put my back up .
他那随随便便的样子我看着很生气。 - To back up tiles is tedious work .
把文档备份是一项枯燥无味的工作。 - Lorrie backed up to a treatment table .
洛莉靠在一张医疗桌旁。 - Do you have any facts to back up all this ?
你有可以证明这一切的任何事实吗？ - Prissy edged back up the stairs .
百利子小心地走上楼去。
英文释义
动词- establish as valid or genuine; "Can you back up your claims?"
同义词：back - become or cause to become obstructed; "The leaves clog our drains in the Fall"; "The water pipe is backed up"
同义词：clog, choke off, clog up, congest, choke, foul - make a copy of (a computer file) especially for storage in another place as a security copy; "You''d better back up these files!"
- move backwards from a certain position; "The bully had to back down"
同义词：back off, back down - give moral or psychological support, aid, or courage to; "She supported him during the illness"; "Her children always backed her up"
同义词：support
