废糖蜜提炼粗糖过程中产生的，颜色从淡到深褐色的一种粘性糖桨 A thick syrup produced in refining raw sugar and ranging from light to dark brown in color.
水冶金术通过液体过程，象过滤，提炼，沉淀等方法处理金属，从矿石中或矿石浓缩物中分离出金属 The treatment of metal or the separation of metal from ores and ore concentrates by liquid processes, such as leaching, extraction, and precipitation.
这一新方法用于从页岩油里提炼出石油。 The new process extracts oil from shale.
