问题描述：
求助英语句子中词汇的理解!
The first American Indians to live along the Missouri River called the river the Mine Sose.请问在这个句子中,first怎么理解好,
The first American Indians to live along the Missouri River called the river the Mine Sose.请问在这个句子中,first怎么理解好,
问题解答：
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