epistolite

例句：

1. 1. The epistolite from the dinosaur siteis a rare find that has sparkedexcitement among paleontologists.
   恐龙遗址的古生物化石是珍稀发现，引起了古生物学家们的兴奋。
2. 2. Fossils are often found in cavesand can provide valuable insights into the historyof our planet.
   化石通常在洞穴中发现，可以为我们了解地球历史提供宝贵信息。
3. 3. The discovery of new fossils hasled to further research on the evolution oflife on Earth.
   新化石的发现促使了对地球上生命演化的进一步研究。