1. The prehistorian analyzed the artifacts and fossils found at the excavation site to understand the ancient civilization.
史前学家通过分析挖掘现场发现的工艺品和化石来理解古代文明。
2. The prehistorian's research focused on the migration patterns of early human populations.
这位史前学家的研究重点是早期人类群体的迁移模式。
