fluocerite

例句：

1. 1. The new fluorescent lamps use fluorocerite as the light source.
   新型荧光灯使用氟化铈作为光源。
2. 2. Fluorocerium is a rare and valuable mineral that can be used in various industrial applications.
   氟铈是一种稀有且有价值的矿物，可用于各种工业应用。
3. 3. The fluorocerite was found in the riverbed sediments of the area.
   这种物质在该地区河流床沉积物中被发现。