usa
名词 usa:
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
同义词:United States, United States of America, America, the States, US, U.S., U.S.A.
the army of the United States of America; the agency that organizes and trains soldiers for land warfare
同义词:United States Army, US Army, U. S. Army, Army