ingenue
  淡黃綠色
  In·gé·nue n.; pl. -nues .  An ingenuous or naïve girl or young woman, or an actress representing such a person.
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  ingenue
       n 1: an actress who specializes in playing the role of an artless
            innocent young girl
       2: an artless innocent young girl (especially as portrayed on
          the stage)
       3: the role of an innocent artless young woman in a play