There is a federal district which we now call Washington, D.C. The " D.C." stands for " District of Columbia." The District of Columbia was meant to be the permanent home of the federal government.

有一个联邦区， 我们现在称之为华盛顿特区。代表“哥伦比亚特区” 。 哥伦比亚特区原本是联邦政府的永久所在地。