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  1. Oxford American Dictionary

    air marshal

    • n.
      an armed guard who travels incognito on certain commercial flights, trained to take action in the event of a hijacking or other violent criminal action

    • noun: air marshal, plural noun: air marshals

    • 釋義

    名詞

    • 1. US an armed guard who travels incognito on certain commercial flights, trained to take action in the event of a hijacking or other violent criminal action a plan to allow passengers to carry knives is being tabled amid protests from air marshals