资料来源 : pyDict

美国

资料来源 : WordNet®

U.S.A.
     n : 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}, {America}, {US}, {U.S.},
          {USA}]