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单词 back something up
释义

back something up

1
Computing make a spare copy of data or disk
【计算机】为…备份。
2
(一般作be backed up)cause vehicles to form into a queue due to congestion
使(车辆)堵塞:

the traffic was backed up a couple of miles in each direction.

各方向的车辆都堵了数英里。

See main entry:back

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更新时间:2025/3/19 12:26:04