back up
短语支持, 倒退, 给...装上背衬
发音
词形变化
别名
释义与例句
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1.
To move backwards, especially for a vehicle to do so.
习语 不及物That beeping sound indicates that the truck is backing up.
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2.
To move a vehicle backwards.
习语 及物Back up the car a little, you're blocking the driveway.
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3.
To reconsider one's thoughts.
习语 不及物This isn't working. Let's back up and think about it.
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4.
To copy (data) so that it can be restored if the main copy is lost.
习语 及物 计算机 工程 数学Back up your documents folder before applying the update.
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5.
To provide support or the promise of support to.
习语 及物You should be careful. This guy is backed up by the local gang.
When he said I wasn't there, I told him I was, and my buddy backed me up.
1934, Ernest Bramah, The Bravo of London "All the same, governor, what he says is right," put in the other, anxious to back up his friend now that the first step had been taken.
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6.
For the non-striker to take a few steps down the pitch, in preparation to taking a run, just as the bowler bowls the ball.
习语 不及物 体育 游戏 -
7.
For a fielder to position himself behind the wicket (relative to a team-mate who is throwing the ball at the wicket) so as to stop the ball, and prevent overthrows.
习语 不及物 体育 游戏 -
8.
To halt the flow or movement of something.
习语 不及物When I flushed the toilet, the plumbing backed up and burst.
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9.
To fill up because of a backlog.
习语 非正式 不及物 -
10.
To run a printing press in reverse.
废旧 媒体 印刷 -
11.
If a property backs up to another property, that means it abuts or shares a border with another property.
习语 不及物We bought this house specifically because it backs up to our son's school.
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12.
To undo one's actions.
习语 不及物I couldn't see how to finish the project, so I backed up and tried it another way.