鱼化石沉积层

例句：

1. 1.The team spent months collecting and analyzing the fossil sediment layers in the cave.
   该团队花费数月收集和分析洞穴中的化石沉积层。
2. 2. The researcher discovered a new species of fish in the fossil sediment layer.
   研究人员在化石沉积层中发现了一种新的鱼类。
3. 3.The paleontologists used X-rays to reveal the intricate details of the fossil sediment layers.
   古生物学家使用X射线揭示了化石沉积层的复杂细节。