资料来源 : pyDict

集中性的,专心的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Concentrative \Con*cen"tra*tive\, a.
   Serving or tending to concentrate; characterized by
   concentration.

         A discrimination is only possible by a concentrative
         act, or act of attention.                --Sir W.
                                                  Hamilton.