cotton rat

例句：

1. 1.The cotton rat was a common pest in the old fields.
   棉花鼠是旧田野中的常见害虫。
2. 2. The cotton rat is known for its distinctive fur and playful nature.
   棉花鼠以其独特的毛皮和活泼的性格而闻名。
3. 3. The cotton rat was found to be a carrier of several diseases.
   研究发现，棉花鼠携带多种疾病。