rock association的用法和樣例：
例句
- The rock combination and lithofacies of the Late Paleozoic marine volcanic rocks are quite complex.
晚古生代海相火山巖相巖石組合較復雜。 - The rock assemblage of shallow exposed bank-microfacies is the basis of the formation of pore layers and reservoir permeability systems.
變淺暴露灘微相的巖石組合是孔隙層和儲滲體形成的基礎。
