butte /ˈbjut/
  孤立的丘
  Butte n.  A detached low mountain, or high rising abruptly from the general level of the surrounding plain; -- applied to peculiar elevations in the Rocky Mountain region.
     The creek . . . passes by two remarkable buttes of red conglomerate.   --Ruxton.
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  butte
       n 1: a hill that rises abruptly from the surrounding region; has
            a flat top and sloping sides
       2: a town in southwestern Montana; center for mining copper