1、Paleoenvironmental studies use evidence from rocks and fossils to understand past environmental conditions.
古环境研究利用岩石和化石的证据来了解过去的环境条件。

2、The study of paleoenvironments helps researchers understand how ecosystems and climate have changed over time.
对古环境的研究有助于研究人员了解生态系统和气候如何随时间变化。