American FallsWiktionary 原文英美构词拆解American词干+falls词干词源说明From American + falls.(Idaho): Named after the original falls on the Snake River.(Niagara): From being on the U.S. side of the international border.释义专有名词proper noun1A city, the county seat of Power County, Idaho, United States.2A waterfall in Niagara Falls, Niagara River, Niagara County, New York state, United States