principial
adj. 原始的;最初的
例句
Purpose To extract two type lipopolysaccharide-binding proteins from the serum of rabbits burned with endotoxemia, and to study and compare their principial biological function.
目的从烧伤合并内毒素血症致多器官损害家兔血清中分离纯化内毒素结合蛋白,并初步对比研究它们的生物学活性。