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a backup disk是什么意思？

a backup disk

备份磁盘

相关词汇
backup disk

backup

n. 支持，后援，阻塞，<计>备份文件，[乐]伴奏；adj. 备用的，后补的，支持性的，伴奏的；
例句
She once sang backup for Madonna.
她曾经为麦当娜伴唱.

disk

n. 磁盘，唱片，圆盘，光盘；v. 把…录成唱片，使成圆盘状，用圆盘耕地；
例句
The image is then stored on the computer hard disk as a vast array of black or white dots.
这幅图像当时就以大量黑点或白点排列的形式被存入电脑硬盘。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
We talked about such subjects as the weather.
我们谈论了诸如天气之类的话题。
This little daughter of his is very clever.
他的这个小女儿真聪明。
He went out though it was raining hard.
尽管雨下得很大, 他还是出去了。
The new bourgeoisie,which was created by the Industrial Revolution,had money to spend and wanted to travel.
由工业革命产生的新的中产阶级有钱花,想旅行。
The chorus was seated above the orchestra.
合唱队的座位高于乐队席。
A dictionary explains words and an encyclopedia explains facts.
字典解释词而百科全书解释事实。
Do my qualifications equate to any in your country?
我的资历在你们国家有相当的吗？
He had only a brief sleep that night.
那天晚上他只睡了一会儿。
The attempt is morally bound to fail.
这一企图肯定会失败。
It looks as if the coming autumn harvest will be even better than the last one.
看来即将到来的秋收会比去年更好。