| 单词 | to back up |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔BACK〕The car stopped and then began to back up. 那辆车停了下来，开始倒着行驶。朗文写作活用〔COPY〕Don't forget to back up all the new files you create. 别忘记给新建文档作备份。朗文写作活用〔MORE〕It took me three hours to back up the computer's 400-plus megabyte memory. 给电脑中400多兆字节的储存信息做备份花了我三小时。朗文写作活用〔STUDY〕There is no scientific research to back up the company's claims. 公司的声明没有科学研究作为依据。朗文写作活用〔TRUE〕You need to back up your theory with one or two hard facts. 你需要用一两个确凿的事实来支持你的理论。朗文写作活用〔back up〕It's time to back up your words with deeds! 是用行动来证明你的话的时候了！韦氏高阶〔back up〕Remember to back up your work before you log off.记得在退出前备份你的文件。韦氏高阶〔back up〕The traffic is starting to back up on the M25.25号高速公路开始堵车了。剑桥高阶〔back〕Clogged pipes caused drain water to back up into the house.水管堵塞,排出的水倒灌入屋。英汉大词典〔back〕I need everyone to back up about 10 paces.我需要每个人后退大约10步。麦克米伦高阶〔back〕If you can't go up the hill forwards, you'll have to back up.如果你不能往前爬上山，那你就得向后退。21世纪英汉〔back〕The traffic was starting to back up in both directions.两边的车辆都开始排起了长龙。朗文当代〔back〕There's no evidence to back up his accusations.没有证据可以证明他的指控。朗文当代〔disastrous〕His failure to back up the computer files had disastrous consequences.他备份计算机文件失败，其后果十分严重。韦氏高阶〔evidence〕The team cited evidence from a recent earthquake to back up their idea.该小组引用从最近一次地震中所得的证据来支持他们的观点。牛津搭配〔factual〕There is no factual evidence to back up his assertion.没有事实性证据来证实他的断言。外研社新世纪〔invoke〕She invoked several eminent scholars to back up her argument.她援引了几位赫赫有名的学者来支持她的论点。牛津高阶It's a good idea to back up your data to a tape drive.将数据备份在磁带驱动器上是个好主意。牛津商务The traffic is starting to back up on the M25.在25号公路上交通开始堵塞。剑桥国际 |
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