v.支持，援助；（资料）备份；倒退；裱；堵车

vi.<篮球>协防，补防; 支持; 堵塞; 复制; 往后退

back ups───v.支持，援助；（资料）备份；倒退；裱；堵车

backs up───v.支持，援助；（资料）备份；倒退；裱；堵车

back-up───v.支持，援助；（资料）备份；倒退；裱；堵车

backup───n.支持；后援；阻塞；adj.支持的；候补的；vt.做备份

buck up───使振作；打起精神；加快

jack up───提高；顶起，用千斤顶托起

pack up───整理；把…打包

rack up───击倒，获胜；累计

backed up───堵车了的；已备份的

He booted the ball 40 yards back up field.───他一脚踢出40码远，把球踢回前场。

Myth # 4 : What goes down must come back up; or Buy low, sell high.───谬论 # 4: 跌下去必定涨回来; 或者买入低价的, 卖出高价的.

The West must back up its verbal support with substantial economic aid.───西方国家必须以切实的经济援助来兑现他们的口头支持。

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.

No battery back up required.───无需电池备份需要.

I'm not coming back up here. Never, for love nor money.───我不打算再回这里了，绝对不回了。

Note that we back up over ignored characters too.───注意:我们还要回溯所忽略的字符.

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。

Is there shareware available to help you back up files?───可不可以用共享软件来帮着储存备用件 呢 ?

It's common to back up through a network to a dedicated backup server.───经过一个网络向后倒车是通常的对一个热衷的预备服务器.

Liu Bei was given 1,000 troops as the Back up force.───刘备带一千人马作后援.

That sort of attitude really gets my back up!───那种态度实在叫我恼火！

Some food labelling practices really get my back up.───有些食物标签的贴法实在让我生气。

Magnetic tape: A sequential storage device that is widely used for back up storage.───磁带: 广泛的用作后备贮存的顺序贮存装置.

His offhand manner put my back up.───他那随随便便的样子我看著很生气.

Make sure you back up the disk before you turn the computer off.───一定要先复制磁盘,然后再关电脑.

You'll have to back up north.───你将不得不往北退.

The bus had to back up and turn around.───那辆公共汽车不得不先往后退,然后再掉头.

You can back up another two feet or so.───你可以再退两英尺左右。

The road is giving out all over! I think I can crawl back up.───路面整个都松动了, 我想我能慢慢爬上去.

You'll have to back up and turn around.───你将不得不往后退并转身.

He's now back up on the slopes again, skiing competitively in events for the disabled.───他复出了，在残疾人滑雪比赛中表现不俗。

Back up, Hans.───倒车，汉斯。

His rude behavior really puts my back up.───他的粗鲁举动真令我生气.

I wonder what has caused so many vehicles to back up here.───我不知道为什么会有这么多车辆阻塞在这里.

Radio signals received from the galaxy's centre back up the black hole theory.───从该星系中心收到的无线电信号证实了黑洞理论。

Clogged pipes caused drain water to back up into the room.───水管堵塞,排出去的水倒灌入室.

Make sure you back up the disk before you turn the computer off.