• quartz
• n.  [kwɔːts]　
•   
• 双解释义
• U  石英   a hard mineral substance,often in the form of crystals

• 词汇搭配  

• ～+名词
• quartz clock  石英钟

• 句型例句  

• There is a great deal quartz in those mountains.那些山里蕴藏着大量石英。