风化作用 (風化作用) fēnghuà zuòyòng
          
              fēnghuà zuòyòng 
              
              set phrase 
              weathering (of rocks); erosion (by wind etc) 
              Domain: Modern Chinese 现代汉语
              
                , Subdomain: Geology 
              
              
                , Concept:  
              
              
              
                Notes: (CC-CEDICT '風化作用')