washington d.c.とは意味:ワシントン市◆"D.C." が付かないとワシントン州にもなる。◆【参考】District of Columbia washington d.c. meaning: Noun: Washington D.C. The capital of the United States in the District of Columbia and a tourist mecca; George Washington commissioned Charles L'Enfant to lay out the city in 1791 - Washingto...washington d.c. en francais:n. washington d.c., capitale fédérale des etats-uniswashington d.c. artinya:washington d.c.washington d.c. 뜻:워싱턴