n.尼亚加拉大瀑布；[地名] [加拿大·美国] 尼亚加拉瀑布；[地名] [加拿大、美国] 尼亚加拉瀑布城；[电影]尼亚拉加瀑布 英英释义： Niagara Falls n.waterfall in Canada is the Horseshoe Falls; in the United States it is the American Falls同义词：Niagaraa city in western New York State at the falls of the Niagara river;