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。

Other actions can be taken to back up the policy.

可以采取其他行动来支持该政策。

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。

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。

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！

The writer doesn't back up his opinions with examples.

作者不用实例印证他的看法。

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。

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。

I hit the ground and bounced back up.

我撞到地上，弹了回来。

He used all his strength to raise the tree back up again, and look after it until it completely recovered.

他用尽所有的力气把树扶起来，并照顾它，直到它完全康复。

The weight of the ball causes the dragon's head to move down and the dragon's tail pulls the water bowl back up.

球的重量使龙头向下移动，龙尾将水碗拉起来。

"It might take the monarchs as many as four to five generations to complete the journey all the way back up to Canada," says Sarina Jepsen, who directs the endangered species program for the Xerces Society.

“完成返回加拿大的整段旅程，帝王蝶可能会经历四到五代。”薛西斯戈灰蝶协会濒危物种项目的负责人萨琳娜·杰普森说道。

I managed to pull everything back up.

我设法挽回这一切。

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 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。

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。

This is just sort of bringing us back up to speed and adding a few more details in.

这只是让我们跟上进度，增加一些细节。

First let me back up a bit and talk about vision correction before the printing press.

让我先回顾下在印刷术之前的视力矫正是什么样的。

Every few steps he stopped to pull his trousers back up because he didn't have a belt.

他每走几步就停下来提提裤子，因为他没有皮带。

Now, look back up at the section here, where you wrote about Dewey's view of individuality.

现在，回头看看这一节，你在这里写了杜威的个性观。

As soon as the driver puts the car in gear and touches the gas pedal, the engine starts back up.

司机一挂上挡，踩下油门踏板，发动机就重新启动了。

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。

If we go back up to the kinds of data objects we started with, floats, ints, strings, they actually behave the same way.

如果我们回想一下我们一开始讲过的数据对象的种类，浮点数，整数，字符串，它们实际上有相同的行为方式。

Clogged pipes caused drain water to back up into the room.

水管堵塞，排出去的水倒灌入室。

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。

Why back up just the changes?

为什么仅备份更改？

Note: back up the images first.

注意：备份之前的图像。

Does the cloud back up your data?

云服务是否备份你的数据？

You should back up your data often.

你应该经常备份你的数据。