求翻译：15岁的青春少女凯蒂，跟随她动物学家的父母在非洲长大，那里艰苦的自然环境，养成了凯蒂坚强勇敢的性格。凯蒂觉得自己已经学会了适者生存这个道理，可是，当她回到美国来到一个新的环境时，她突然发现人与人之间的弱肉强食，要比自然界的更可怕。是什么意思？

15-year-old young girl, Katie, follow her zoologist parents, grew up in Africa, where the harsh natural environment, to develop the strong and fearless character of Katie. Katie feels that he has learned the survival of the fittest this truth, but when she returned to the United States to a new envi

15 -year-old adolescent girls Katie zoologists, followed her parents grew up in Africa, where harsh natural environment and develop an Katie strong courageous personality. Katie feels that he has learned to be a survival of the fittest in this logic, however, when she returned to the United States c

15 year-old youth young girl Kety, follows her zoologist the parents to grow up in Africa, there difficult natural environment, has fostered the Kety strong brave disposition.Kety thought oneself had already learned survival of the fittest this truth, but, when she returns US arrives a new environme

Youth girl Katie, aged 15, followed by her zoologist parents grew up in Africa, where difficult natural environments, developed a kitty to be strong and brave character. Katie felt had learned to survive this, but, when she returned to the United States came to a new environment, she suddenly found

He privately take possession of the drug, was a fatal disaster for the entire family.