Eupaleozoic

例句：

1. 1. The Eupaleozoic era is characterized by the appearance of dinosaurs and other ancient animals.
   古生代以恐龙和其他古代动物的出现为特征。
2. 2. The discovery of fossils from the Eupaleozoic era has helped to reconstruct the history of life on Earth.
   古生代化石的发现有助于重建地球上生命的历史。
3. 3. The Eupaleozoic era is often referred to as the age of dinosaurs, as many important species livedduring this time.
   古生代通常被称为恐龙时代，因为许多重要的物种生活在这个时代。