1·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。
—— 《牛津词典》
2·Other actions can be taken to back up the policy.
可以采取其他行动来支持该政策。
3·Furthermore, one sensory ability may back up another.
此外，一种感知能力可能会为另一种感知能力提供支持。
4·Let's back up again and talk about the time period from the 1860s to the 1880s and talk more about what happened in women's art classes.
让我们再次倒退，回到19世纪60到80年代，来多谈谈女性艺术课上发生了什么。
5·You can back up another two feet or so.
你可以再退两英尺左右。
—— 《牛津词典》
6·That sort of attitude really gets my back up!
那种态度实在叫我恼火！
—— 《牛津词典》
7·The writer doesn't back up his opinions with examples.
作者不用实例印证他的看法。
—— 《牛津词典》
8·Radio signals received from the galaxy's centre back up the black hole theory.
从该星系中心接收到的无线电信号证实了黑洞理论。
—— 《柯林斯英汉双解大词典》
9·He's now back up on the slopes again, skiing competitively in events for the disabled.
他如今又回到了滑坡上，在残疾人赛事上赛滑雪。
—— 《柯林斯英汉双解大词典》
10·I hit the ground and bounced back up.
我撞到地上，弹了回来。
1·You should back up your data often.
你应该经常备份你的数据。
2·With the files in one location, you can back up to tape, disk, or copy the contents to another machine without having to reorganize the source files.
如果文件位于同一个位置，那么您可以将其备份到磁带、磁盘，或将这些内容复制到另一台计算机，而无需对源文件进行重新组织。
3·You should back up any data source before implementation is started.
在开始运行之前，您应该先将所有的数据源备份。
4·Back up application code and resources.
备份应用程序代码和资源。
5·You should try to use the fastest disc you have for this kind of data and also regularly back up and delete the entries in this table.
您应该尝试使用速度较快的磁盘用于此类数据的保存，并且有经常性地备份和删除该表格中的记录。