cerato-

例句：

1. 1. The cerato- is a rare and valuable gemstone.
   这个稀有的宝石非常珍贵。
2. 2. The cerato- has been used in ancient civilizations for its healing properties.
   这种宝石在古代文明中被用于它的治疗属性。
3. 3. The cerato- is often used as a symbol of purity and innocence.
   这种宝石通常被用作纯洁和纯真的象征。