地球成因学的

例句：

1. 1. Earth's formation is a complex process involving many factors.
   地球的形成是一个复杂的过程，涉及许多因素。
2. 2. The study of the earth's past and present is called geology.
   研究地球过去和现在的研究被称为地质学。
3. 3. The discovery of new minerals in the earth's crust has revolutionized our understanding of its origins.
   在地球地壳中发现的新矿物已经彻底改变了我们对地球起源的理解。