centrepiece
  中心裝飾品
  Cen·ter·piece, Cen·tre·piece  n.
  1. An ornament to be placed in the center, as of a table, ceiling, atc.; a central article or figure.
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  centrepiece
       n 1: the central or most important feature; "education was the
            centerpiece of the Democratic Party's political
            platform" [syn: centerpiece]
       2: something placed at the center of something else (as on a
          table) [syn: centerpiece]