ge·ol·o·gy /dʒiˈɒlədʒi $ -ˈɑːlə-/ ●○○ noun [uncountableU] HEGthe study of the rocks, soil etc that make up the Earth, and of the way they have changed since the Earth was formed 地质学 —geologist noun [countableC]
—geological /ˌdʒiːəˈlɒdʒɪkəl◂ $ -ˈlɑː-/ adjectiveadj
—geologically /-kli/ adverbadv