petrological

例句：

1. 1. Petrology is the study of rocks and minerals.
   岩石学是研究岩石和矿物的学科。
2. 2. The mineralogist studied the composition of minerals in the earth's crust.
   矿物学家研究了地球地壳中矿物的成分。
3. 3.The petrologist analyzed the structure of the rock formation.
   岩石学家分析了岩石构造的结构。