There is no emergency back-up immediately available.
没有立即就能获得的后备。
Think about a possible back-up plan.
想好一个可能的后备计划。
The remote control for back-up signal management.
备份信号的遥控管理。
No, I should definitely back-up my hard disk first.
不，我绝对应该备份下我的硬盘先。。。。
Carry a back-up piece of plastic and some extra cash.
带一张备用的银行卡和一些额外的现金。
You can back up another two feet or so.
你可以再退两英尺左右。
That sort of attitude really gets my back up!
那种态度实在叫我恼火！
Other actions can be taken to back up the policy.
可以采取其他行动来支持该政策。
In this article, you need to back up general statements with specific examples.
在这篇文章中，你需要用具体的例子来支撑笼统的语句。
But as soon as the fever goes down, it's soon back up again.
但是，体温降下来不久后，它很快再度回升了。
In this article, you need to back up the general statement with specific examples.
在文章中，你需要用具体的例子支持总的观点。
I managed to pull everything back up.
我设法挽回这一切。
The old idea will surface back up in another piece of work or another idea at some point in your life.
在你的生活中的某个时刻，旧点子会以另一种形式出现，或者另一个点子会出现。
Don't back up the moment you run up against a little difficulty.
不要遇到一点困难就打退堂鼓。
You should back up your data often.
你应该经常备份你的数据。
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。
Back up your data before you do anything else.
在做任何事情之前备份数据。
Back up application code and resources.
备份应用程序代码和资源。
Does the cloud back up your data?
云服务是否备份你的数据？
Back up your personal data, bookmarks, and more with this simple tool.
使用这个简易的工具备份你的个人数据、书签及其它东西。
For instance, always back up your data.
例如，总是备份您的数据。
为什么仅备份更改？
You can back up to whatever medium is most convenient.
备份到任何一种存储介质，这是最方便的。
Note: back up the images first.
注意：备份之前的图像。
Make sure you back up your system.
确保对系统进行了备份。
备份文件。
Wednesday: Back up all information.
星期三：备份所有资料。
Actually, let me back up and do this in video.
实际上，让我们倒退下然后在录像里做这个。
“退回去，”我轻声地说。
不过它们肯定弹不回来了。
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