- 美国 - 维基百科，自由的百科全书
“ United States of America ”，由 約翰·迪金森 編寫于1776年6月17日的聯邦條款第二草稿出現 [52]，縮寫是U S A 。 作為法定政權的名稱，它的應用度並没有US廣泛，使用最多的地方就是在體育賽事上。
- United States | History, Map, Flag, Population | Britannica
The United States is the fourth largest country in the world in area (after Russia, Canada, and China) The national capital is Washington, which is coextensive with the District of Columbia, the federal capital region created in 1790
- USA Map | Maps of the United States of America
The United States of America (USA), for short America or United States (U S ) is the third or the fourth-largest country in the world It is a constitutional based republic located in North America, bordering both the North Atlantic Ocean and the North Pacific Ocean, between Mexico and Canada
- The U. S. and its government - USAGov
U S facts and figures Learn about the United States, including American history, the president, holidays, the American flag, census data, and more
- United States - The World Factbook
Explore All Countries United States North America Page last updated: November 14, 2025
- A Country Profile - Destination USA - Nations Online Project
Discover the United States of America: vacation, accommodation, hotels, attractions, festivals, events, tourist boards, state parks, nature, tours, and much more
- 美国到底是“US”还是“USA”还是“America”? - 知乎
US是United States的缩写，称为“合众国”，前面要加the做限定，写成the United States或theU S 。 United States (US)是对美国最传统和正式的说法。
- United States - Wikipedia
The United States of America (USA), also known as the United States (U S ) or America, is a country primarily located in North America It is a federal republic of 50 states and a federal capital district, Washington, D C
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