Rock Island短语⁷⁴²⁸⁶ 基本英英例句 岩岛 Noun: a town in northwest Illinois on the Mississippi River; site of a Union prison during the American Civil War During the night it crossed the Mississippi at Davenport, and by Rock Island entered Illinois. 当天夜里，在达文波特越过了密西西比河。火车从石岛进入了伊利诺斯州。 eduquan