英语词汇oregon trail的起源、历史背景-英语词源词典

词汇	oregon trail
词源	Oregon Trail. A 2,000-mile-long route from Missouri to Or- egon much used during the 1840–60 westward migrations and called “the longest unpaved highway in the world.” Over half a million pioneers used it.
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英语词源词典收录了13259条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。