leptophragmata

例句：

1. 1. The leptophragmata are a fascinating subject in the fieldof paleontology.
   古生物学中，化石是令人着迷的研究对象。
2. 2.The discovery of these leptophragmata has sparked new researchinto the evolution of life on Earth.
   这些化石的发现激发了对地球生命演化的新研究。
3. 3. The team spent months analyzingthe leptophragmatato determine their age and origins.
   该团队花费数月时间分析化石，以确定其年龄和来源。