fossula是什么意思

n.[解]小窝

1. The fossula on the rock surface served as a shelter for small animals.
岩石表面的小洞窟为小动物提供了避难所。
2. The paleontologists discovered a well-preserved fossilized fossula in the excavation site.
古生物学家在挖掘现场发现了一个保存完好的化石化小穴。

小凹；小穴；小洞窟