ame·lio·rate /əˈmiljəˌret, ˈmiliə-/
  (vt.)改善,改良,變好
  A·mel·io·rate v. t. [imp. & p. p. Ameliorated p. pr. & vb. n. Ameliorating.]  To make better; to improve; to meliorate.
     In every human being there is a wish to ameliorate his own condition.   --Macaulay.
  A·mel·io·rate, v. i. To grow better; to meliorate; as, wine ameliorates by age.
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  ameliorate
       v 1: to make better; "The editor improved the manuscript with his
            changes" [syn: better, improve, amend, meliorate]
            [ant: worsen]
       2: get better; "The weather improved toward evening" [syn: better,
           improve, meliorate] [ant: worsen]