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quartz是什么意思

叽里呱啦玩英语 | 教育先行,筑梦人生!         

名词

quartz是什么意思

石英

英语解释

a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

colorless glass made of almost pure silica

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