serandite

例句：

1. 1.The mineral is a rare earth element that is found in small amounts in nature.
   这种矿物是一种稀有的稀土元素，自然界中含量很少。
2. 2. Serandite has been used for centuries as a natural pigment and dye source.
   serandite 作为一种天然颜料和染料来源，被使用了几个世纪。
3. 3.In recent years, scientists have discovered new uses for serandite in medicine and technology.
   近年来，科学家们发现了serandite在医学和技术领域的新用途。