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quartz英英释意_发音_quartz同义词辨析_quartz词组搭配_quartz实用场景例句

首页英语词典quartzquartz英英释意

quartz

英[kwɔːts] 美[kwɔrts]

英英释义实用场景例句

n. 石英

英英释意

1. colorless glass made of almost pure silica

2. 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