cyclaine

例句：

1. 1. The crystal ball is said to predict the future accurately.
   据说水晶球能准确预测未来。
2. 2. The quartz crystal was used in ancient times as a tool for measuring time.
   古代用石英晶体作为测量时间的器具。
3. 3. The mineral quartz is found in many different rocks and minerals.
   石英矿物存在于许多不同的岩石和矿物中。