资料来源 : pyDict

提炼

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

Refine \Re*fine"\ (r?*f?n"), v. t. [imp. & p. p. {Refined}
   (-find"); p. pr. & vb. n. {Refining}.] [Pref. re- + fine to
   make fine: cf. F. raffiner.]
   1. To reduce to a fine, unmixed, or pure state; to free from
      impurities; to free from dross or alloy; to separate from
      extraneous matter; to purify; to defecate; as, to refine
      gold or silver; to refine iron; to refine wine or sugar.

            I will bring the third part through the fire, and
            will refine them as silver is refined. --Zech. xiii.
                                                  9.

   2. To purify from what is gross, coarse, vulgar, inelegant,
      low, and the like; to make elegant or exellent; to polish;
      as, to refine the manners, the language, the style, the
      taste, the intellect, or the moral feelings.

            Love refines The thoughts, and heart enlarges.
                                                  --Milton.

   Syn: To purify; clarify; polish; ennoble.

资料来源 : WordNet®

refining
     n : the process of removing impurities (as from oil or metals or
         sugar etc.) [syn: {refinement}, {purification}]