to back up
[phrase form: back]
01
支持, 支援
to support someone or something
Transitive: to back up sb/sth
语法信息
形态构成
短语
动作动词
规则
可分离
小品词
up
基本动词
back
现在时
back up
第三人称单数
backs up
现在分词
backing up
一般过去时
backed up
过去分词
backed up
例子
The coach consistently backs up his players, fostering team spirit.
教练一贯支持他的球员，培养团队精神。
02
倒车, 后退
to move or drive something backward
Transitive
例子
He backed up the truck to unload the cargo.
他倒车卡车以卸货。
03
备份, 制作备份
to make a copy of computer digital data
Transitive: to back up digital data
例子
The IT team needs to back the entire database up regularly.
IT团队需要定期备份整个数据库。
04
支持, 确认
to confirm that something is true or valid
Transitive: to back up a claim or statement
例子
Let's back these claims up with concrete examples.
让我们用具体的例子来支持这些说法。
05
排队, 堵车
to wait in a long line of cars, unable to move because the road is crowded
Intransitive
例子
Heavy rain led to streets flooding, and traffic started backing up in various areas.
大雨导致街道积水，交通开始在各个地区堵塞。
例子
The vehicle cautiously backed up to reposition itself in the tight parking spot.
车辆小心翼翼地倒车，以便在狭窄的停车位上重新定位自己。
07
后退, 撤销
to reverse or undo one's actions or decisions
Intransitive
例子
They chose to back up and remove the controversial statement from the press release.
他们选择撤回并从新闻稿中删除有争议的声明。
08
重新考虑, 重新评估
to reconsider or rethink one's previous thoughts or decisions
Intransitive
例子
He had to back up and reconsider his opinion after the discussion.
讨论后他不得不退一步重新考虑他的观点。
