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  1. back up

    • ph.
      provide support for someone or something;confirm or corroborate a statement or theory
    • 釋義

    片語

    • 1. provide support for someone or something
    • 2. confirm or corroborate a statement or theory
    • 3. make a spare copy of data or a disk
    • 4. (of vehicles) form a line due to congestion
    • 5. cause vehicles to form a line due to congestion
    • 6. be experiencing a backlog of work or other things that need to be dealt with
    • 7. move or drive backward
    • 8. explain the background of a situation or return to an earlier point in an account
    • 9. (of running water) accumulate behind an obstruction
  2. 知識+