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单词 greisen
释义

greisen

/ˈgraɪzən/
noun
mass noun
Geology a light-coloured rock containing quartz, mica, and fluorine-rich minerals, resulting from the alteration of granite by hot vapour from magma
【地质】云英岩。
词源
late 19th cent.: from German, probably a dialect word, from greis 'grey with age'.
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更新时间:2025/8/6 22:55:05