edul·co·rate /ɪˈdʌlkəˌret/
  (v.)除去酸味;使甜;洗淨
  E·dul·co·rate v. t. [imp. & p. p. Edulcorated p. pr. & vb. n. Edulcorating.]
  1. To render sweet; to sweeten; to free from acidity.
     Succory . . . edulcorated with sugar and vinegar.   --Evelyn.
  2. Chem. To free from acids, salts, or other soluble substances, by washing; to purify. [R.]
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  edulcorate
       v : make sweeter in taste [syn: sweeten, dulcify, dulcorate]
           [ant: sour]