英语词汇aurora borealis的起源、历史背景-英语词源词典

词汇	aurora borealis
词源	aurora borealis; auroral. Aurora borealis means “northern dawn” in Latin and is used to describe the electrical streams of light sometimes seen at night in the northern sky. The phe- nomenon is so named because the Greek goddess Aurora was said to begin her day’s travels before the sun rose. Aurora’s name is also remembered in auroral, “dawnlike.”
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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。