D.C.

汉语翻译

(direct current)直流电, (District of Columbia)哥伦比亚特区
【电】 直流, direct current的简写

英语解释：

名词 d.c.:

1. the district occupied entirely by the city of Washington; chosen by George Washington as the site of the nation's capital and created out of land ceded by Maryland and Virginia
   同义词：District of Columbia, DC
2. an electric current that flows in one direction steadily
   同义词：direct current, DC