Paleocene Series

例句：

1. 1.The paleocene series is a significant part of the Earth's history.
   白垩纪系是地球历史的重要组成部分。
2. 2.The paleocene series has been studied extensively in paleontology.
   在古生物学中，对白垩纪系列进行了广泛的研究。
3. 3. The discovery of new fossils from the paleocene series has sparked excitement among scientists.
   从白垩纪系列中发现的新化石引起了科学家的兴奋。