back-up

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。

You'll have to back up north.

你将不得不往北退.

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。

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'll have to back up and turn around.

你将不得不往后退并转身.

Back up, Hans.

倒车，汉斯。

Prissy edged back up the stairs.

百里茜偷偷地往楼梯口退缩.

Alternative treatments can provide a useful back-up to conventional treatment.

替代疗法能为传统的治疗提供有效的辅助。

He booted the ball 40 yards back up field.

他一脚踢出40码远，把球踢回前场。

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.

Liu Bei was given 1,000 troops as the Back up force.

刘备带一千人马作后援.

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.

Some food labelling practices really get my back up.

有些食物标签的贴法实在让我生气。

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

水管堵塞,排出去的水倒灌入室.

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。