quartz的复数形式怎么拼写

Gold sources are related to the activity of quartz diorite.金的成矿物质来源与石英闪长岩有关.Product Info : Quartz, Tiger Eye , Quartz Aventurine, Amethyst , Quartz Smoky, Agate.材质: 白晶,茶晶, 粉晶, 玛瑙, 东陵玉, 虎眼石,紫晶.Spilite - keratophyre sequen...

The prospectors have discovered such minerals as calcite, quartz and asbestos here.探矿人员在这里发现了方解石 、 石英、石棉等矿藏.There is a great deal quartz in those mountains.那些山里蕴藏着大量石英.To this class of substance belong mica, porcelain, q...

quartz的音标：quartz的英式发音音标为：[kwɔ:ts]quartz的美式发音音标为：[kwɔrts]...

n.[矿]石英...