back up的意思及造句是？

Question

如题所述

Answer 1

back up

1.支持
He would have lost his position if you hadn't backed him up.
假如你当初没有支持他,他可能已经失去职位了。

back-up
名词 n.

1.后援
Do you have any back-ups in case I cannot be there?
假如我不能来,你们有没有候补人员?
2.滞销货
3.贮藏
4.溢流
5.阻塞

形容词 a.

1.作支援的
2.作预备人手的

参考资料：http://dict.baidu.com/s?wd=back+up

Answer 2

Could you please give it back to me？（归还） All sorts of rumors are going around（四处走动/流传） The price of cigarettes is going up（上涨/涨价） He put the sugar into the the coffee（把放入

Answer 3

She took a annual leave that I must back up her job.