be backed up

• 被备份； 堵塞了

be backed up的用法和样例：

例句

1. If you want to view old historical data on the new machines, these files should be backed up.
   如果你想要在新机器上查看老的历史数据，这些文件应该被备份。
2. Traffic was bottled up in the bottleneck.
   在狭窄的交叉路口交通堵塞了。
3. The coffee grains plugged up the kitchen drain.
   咖啡渣堵塞了厨房的排水道。