leachyadj.有气孔的；能渗透的leachn.垂直帆缘；后缘=leech.v.过滤；萃取；溶解出leaching dynamics淋溶动态leaching toxicity浸出毒性leaching kinetics浸出动力学leaching in place就地浸出leached chernozem淋溶黑钙土,淋溶黑土leaching approach教学方法leaching behavior浸出行为leaching ilmenite钛铁矿浸出leaching contents教学内容leached cossettes沥滤甜菜丝,沥滤过的甜菜切片