美洲;美国
America n 1: 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 [syn: {United States}, {United States of America}, {US}, {U.S.}, {USA}, {U.S.A.}] 2: North and South America [syn: {the Americas}]