the district occupied entirely by the city of Washington; chosen by George Washington as the site of the capital of the United States and created out of land ceded by Maryland and Virginia
例句
用作名词 (n.)
The university is in the District of Columbia. 那所大学在哥伦比亚特区。
He urged the justices Wednesday to reverse a District of Columbia-based federal appeals court decision upholding the law. 他催促最高法院法官推翻哥伦比亚特区的联邦上诉法院通过的支持该法案的判决。