1、These phytolite fragments suggest the presence of vegetation in the ancient environment.

这些植化石碎片表明古代环境中存在着植被。

2、The discovery of phytolite fossils provided valuable insights into the evolution of plant life on Earth.

植化石化石的发现为我们了解地球上植物生命的演化提供了宝贵的线索。