Rodentia

例句：

1. 1.The researchers discovered a new species of rat in the forest.
   研究人员在森林里发现了一种新的鼠类物种。
2. 2. Rodents are known for their ability to adapt to different environments.
   啮齿动物以其适应不同环境的能力而闻名。
3. 3. Rodents play an important role in maintaining ecosystem balance.
   啮齿动物在维持生态系统平衡中起着重要作用。