Cricetus

例句：

1. 1.The crocodile is a type of reptile that inhabits rivers and lakes.
   鳄鱼是一种生活在河流和湖泊中的爬行动物。
2. 2. Lizards are common members of the reptile family.
   蜥蜴是爬行动物家族中常见的成员。
3. 3.In the wild, crocodiles hunt their prey by swimming silently underwater.
   在野外，鳄鱼通过悄无声息地游到水下来捕食它们的猎物。