the United States of America美利坚合众国The United States of America is commonly abbreviated to U.S.A..美利坚合众国常被缩略为U. S. A..The president was asked to give a short talk on his visit to the United States.校长应邀简短谈谈访美情况....

the United States的音标：...

美国，美利坚合众国...