DC
  結算卡,信用卡
  d-c
  *直流
  d.c.
  *
  dc
  直流
  DC
       n 1: the district occupied entirely by the city of Washington;
            chosen by George Washington as the site of the nation's
            capital and carve out of land ceded by Maryland and
            Virginia [syn: District of Columbia, D.C.]
       2: an electric current that flows in one direction steadily
          [syn: direct current] [ant: alternating current]
  D.C.
       n : the district occupied entirely by the city of Washington;
           chosen by George Washington as the site of the nation's
           capital and carve out of land ceded by Maryland and
           Virginia [syn: District of Columbia, DC]