stegodont

例句：

1. 1.Stegodonts are a group of extinct, long-nosed mammals that lived in the Permian period.
   长鼻目动物是一类已灭绝的、长鼻子的哺乳动物，生活在二叠纪时期。
2. 2. The discovery of Stegodonts has shed light on the evolution of early mammals.
   发现长鼻目动物有助于我们了解早期哺乳动物的进化。
3. 3. Stegodonts were known for their unique adaptations that allowed them to survive in harsh environments.
   长鼻目动物因其独特的适应能力而闻名，这些能力使它们能够在恶劣的环境中生存。