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单词 frostbow
释义

frostbow

noun

: a white arc in the sky that occurs in frosty weather and is formed by reflection of sunlight from floating ice crystals : the parhelic circle that has its center at the zenith and is not to be confused with the white rainbow

Word History

First Known Use

1841, in the meaning defined above

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更新时间:2024/11/11 8:09:00