quartz
US /ˈkwɔːrts/
UK /ˈkwɔːts/
名词
石英
a hard mineral consisting of silica, found in many different types of rock
示例:
•
The geologist identified the crystal as quartz.
地质学家将该晶体鉴定为石英。
•
Many watches use quartz crystals for accurate timekeeping.
许多手表使用石英晶体来精确计时。