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编辑推荐罗拉和爸爸、妈妈、姐姐、妹妹乘坐有篷马车到西部去。他们渡过了密西西比河和密苏里河,到辽阔的大草原安家。
Editor’s Choice Laura and father, mother, sister, sister riding a caravan to the west. They crossed the Mississippi and Missouri Rivers to settle in the vast prairies.