his·to·ri·an /hɪˈstoriən, ˈstɔr, ˈstɑr-/
 歷史學家,史家
 His·to·ri·an n.
 1. A writer of history; a chronicler; an annalist.
    Even the historian takes great liberties with facts.   --Sir J. Reynolds.
 2. One versed or well informed in history.
    Great captains should be good historians.   --South.
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 historian
      n : a person who is an authority on history and who studies it
          and writes about it [syn: historiographer]