n. 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
n. 石英
[化] 石英
1. Quartz is often used in making watches and clocks.
石英通常用于制造手表和钟表。
2. The clear quartz crystal is commonly used in jewelry.
透明的石英水晶通常用于珠宝制作。
3. Many countertops are made of quartz because it is durable and easy to clean.
许多台面是由石英制成的，因为它耐用且易于清洁。