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TOEFL IELTS BNC: 7830 COCA: 6600
refine
verb [T] /rɪˈfaɪn/
present tense
I/you/we/theyrefine
he/she/itrefines
present participlerefining
past tenserefined
past participlerefined
  1. 1
    to make small changes to something in order to improve it 改良;改进

    We've refined the system since it was first launched. 自这个系统首次投入市场到现在我们已对它进行了改进。

     Synonyms and related words
    To make something better: improve, enhance, remedy...
  2. 2
    to remove things from a natural substance in order to make it pure 精炼;精制
     Synonyms and related words
    To treat a product: pulp, refine, tan...

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