基本解释依美斯汀同根派生 英汉例句Objective To prepare Emedastine Difumarate Sustained-release Tablets(EDST),and develop a method for the determination of drug release rate. 目的制备富马酸依美斯汀缓释片,并建立其释放度测定方法。emedastine difumarate 二福马酸依美斯汀