sapropel湖泥(腐殖質)、腐殖泥學術名詞腐植泥：礦物學、海洋地質學、地質學腐泥質：生態學腐〔植〕：地球科學腐泥：海洋地質學英文釋義sludge (rich in organic matter) that accumulates at the bottom of lakes or oceans