fur hunters from russia and the fledgling united states had killed more than a million sea otters along the pacific coas
问题描述：
fur hunters from russia and the fledgling united states had killed more than a million sea otters along the pacific coast by the time wagon trains began bringing settlers to oregon.4543
答
毛皮猎人俄罗斯和这个羽翼未丰的美国已经杀死了超过100万的海獭之太平洋沿岸的时候开始马车队带来定居者俄勒冈州.