| 释义 |
DC UNITED STATES.di:5si:n [U]abbreviation for the District of Columbia (= an area of the eastern US which has the same borders as the US capital, Washington, and which is not part of a US state)哥伦比亚特区Summer in DC can be brutally hot.哥伦比亚区的夏季酷热无比。In 1986 the estimated population of Washington, DC was 626 000.据华盛顿当局1986年的预测人口数，哥伦比亚特区有626 000人。
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