大学英语四级常用短语 back up


释义：

back up 支持，援助；（资料）备份；倒退；裱；堵车

例句：


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。



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。



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。



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。



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。