“地龙”用英语怎么说？

目的: 选择地龙中游离氨基酸的最佳提取方法.Objective: Selecting the best process of extracting the free Acids in Pheretima.目的:研究复方地龙胶囊浸膏粉制备工艺.Study the making technique of compound earthworm capsule extract powder.目的探讨地龙对痔术后创面愈合的影响.Objective...