bi·col·ored /ˈbaɪˌkʌlɚ/
  (a.)二色的
  Bi·col·or Bi·col·ored a.  Of two colors.
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  bicolored
       adj : having two colors; "a bicolor flower"; "a bicolored postage
             stamp" [syn: bicolor, bicolour, bicoloured, bichrome,
              dichromatic]