the executive and legislative and judicial branches of the federal government of the United States
同义词：United States governmentUnited StatesU.S. governmentUS Government
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 StatesUnited States of AmericaAmericathe StatesUSUSAU.S.A.
英汉双解大词典
U.S./ˈjuː ˈɛs/star5(alsoUS)
1.
N-PROPER（专有名词） TheU.S. is an abbreviation for the . 美国 ['the' N, N n]
例：
The first time I saw TV was when I arrived in the U.S. in 1956.