kupholite

例句：

1. 1. The kupholite formation is a type of sedimentary rock that has been formed over millions of years.
   石英砂岩是一种在数百万年中形成的沉积岩。
2. 2.The kupholite layer is an important source of minerals for the construction industry.
   石英砂岩层是建筑行业的重要矿物来源。
3. 3. The kupholite deposits are found in many parts of the world, including China and Australia.
   石英砂岩矿床遍布世界许多地方，包括中国和澳大利亚。