ichnite

例句：

1. 1.The ichnites in the museum are fascinating to watch.
   博物馆里的化石令人着迷。
2. 2. The discovery of these ichnites has sparked new research.
   这些化石的发现激发了新的研究。
3. 3. The ichnites in this area are unique and have been studied for centuries.
   这个地区的化石独特且已有数百年的研究历史。