美国联邦调查局 měiguóliánbāngdiàochájú FBI Origin Definitions Defs Strokes Stroke Words Sentences Sents 美国 美國 měiguó proper noun United States United States of America; USA; America联邦调查局 聯邦調查局 liánbāngdiàochájú FBI Federal Bureau of Investigation; the domestic intelligence and security service of the United States