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- They mean @District of Columbia@. 这是“哥伦比亚特区”的缩写。
- Where is the District of Columbia? 哥伦比亚特区在什么地方?
- Washington District of Columbia -- Washington D.C. 美国首都华盛顿全称为华盛顿哥伦比亚特区。
- The university is in the District of Columbia. 那所大学在哥伦比亚特区。
- MCDs exist in 28 states and the District of Columbia. MCD存在于28个州和哥伦比亚特区。
- UDC.EDU]University of the District of Columbia David A. 流量排名数据信息：Traffic Rank for [LAW.
- The District of Columbia is coextensive with the city of Washington. 哥伦比亚特区兴华盛顿市有相等的范围。
- Our nation is divided into fifty states along with the District of Columbia. 我们的国家划分成50个州，1个哥伦比亚特区。
- African American men granted the right to vote in the District of Columbia. 1867年的今天，非裔美国人被给予在哥伦比亚区的投票权。
- Twenty states and the District of Columbia already have primary laws. 20个州和哥伦比亚特区已经有了初步的法规。
- By 1990,42 states and the District of Columbia sponsored lotteries with a gross revenue of over $20 billion. 到1990年为止，美国有42个州和哥伦比亚特区都发行彩票，收入总额超过200亿美元。
- Americans in twenty-one states and the District of Columbia were excited about a lottery game called Powerball. 21个州和哥伦比特区的美国人，被一个叫作“抛宝”的抽奖游戏弄得很兴奋。
- By 1990,42 states and the District of Columbia sponsored lotteries with a gross revenue of over $ 20 billion. 到1990年为止，美国有42个州和哥伦比亚特区都发行彩票，收入总额超过200亿美元。
- The District of Columbia,the nation's capital,has one lawyer for every 19 residents. 在美国的首都哥伦比亚特区，每19个居民就有一个律师。
- Fifteen states, the District of Columbia and the U.S. government have laws that offer compensation. 15个州、哥伦比亚特区和美国政府都有提供赔偿的法律。
- Adams attempted to outlaw slavery in the District of Columbia (Washington.D.C.). 亚当众议员尝试在哥伦比亚（华盛顿市）废除奴隶制度。
- The District of Columbia, the nation's capi-tal, has one lawyer for every 19 residents. 在美国的首都哥伦比亚特区，每19个居民就有一个律师。
- The Supreme Court says it will decide whether the District of Columbia can ban handguns. 高级法院声称其将决定哥伦比亚区是否能够禁止手枪。
- Beltway Title and Abstract, Inc. - Multi office title company serving Maryland, Virginia and the District of Columbia. 易易工作室-各种在线工具，站长网志，以及多个应用项目。
- Sixty-eight percent of District of Columbia residents are minorities, and most of them are black. 而百分之六十八的哥伦比亚特区居民也是少数族裔，大部分是黑人。
