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首頁英語詞典quartzquartz英英釋意

quartz

英 [kw??ts] 美[kw?rts]
  • n. 石英

英英釋意

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