rodent corneal ulcer

例句：

1. 1. Rodents are known to be carriers of diseases.
   啮齿动物已知是疾病的携带者。
2. 2.The rodent population in the city has been increasing rapidly.
   该市的啮齿动物种群正在迅速增加。
3. 3. Rodents are often found living in urban areas due to their ability to adapt to human environments.
   由于它们能够适应人类环境，啮齿动物常常被发现生活在城市地区。