epirogeny

例句：

1. 1. Epirogenies are the study of how rocks and minerals change over time.
   地质年代学是研究岩石和矿物随时间变化的学科。
2. 2.The discovery of new fossils has helped to redefine our understanding of Earth's history.
   新化石的发现有助于重新定义我们对地球历史的理解。
3. 3. The epirogeny of the earth's crust is crucial for understanding plate tectonics.
   地壳的地质年代对于理解板块构造至关重要。