动物学的

例句：

1. 1. The animal kingdom is full of wonders.
   动物王国充满了奇迹。
2. 2. Many animals are endangered due to habitat loss.
   由于栖息地丧失，许多动物面临濒危。
3. 3. A lion is a mammal that belongs to the family Felidae.
   狮子是一种哺乳动物，属于猫科。