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 solution[化] 沥滤液; 浸提液leaching hospital教学医院leaching chromate[医] 铬酸铅, 铬黄, 汞黄leaching colloidal[医] 胶体铅leachate of wastes垃圾渗沥液leaching manganese浸锰leaching corrosion溶出型侵蚀Leaching secretary教学秘书leaching linoleate[医] 亚麻油酸铅leaching mechanism浸出机理