n. a science that deals with the history of the earth as recorded in rocks
n. 地质学, 地质情况
1. Geology helps us understand the Earth's structure and history.
地质学帮助我们理解地球的结构和历史。
2. Many students choose geology as their major in college.
许多学生在大学选择地质学作为他们的专业。
3. The study of geology is important for finding natural resources.
学习地质学对寻找自然资源是很重要的。