rat kangaroo

例句：

1. 1. The kangaroo is a mammal that hops on two legs.
   袋鼠是一种两足哺乳动物。
2. 2. Kangaroos are known for their unique tails and ability to jump high.
   袋鼠以其独特的尾巴和跳跃能力而闻名。
3. 3. In Australia, kangaroos are often used as pets due to their docile nature.
   在澳大利亚，袋鼠因其温顺的天性而常被作为宠物饲养。