Osteopontin an extensive existing cytokine and chemotactic factor and play an important role in bone metabolism.骨桥蛋白作为体内广泛存在的细胞因子和趋化因子,在骨代谢中起到重要作用.Extensive data can be found in various handbooks.可由不同的手册得到广泛数据.The origin...
Arnold stopped the engine and got out of the car.阿诺德关掉发动机，下了车。Jacques Arnold has been a member of parliament since 1987.雅克·阿诺德自1987年以来一直是议会议员。"There's no threat in this, Freddie," Arnold hastened to say.“这不会有什么危险的，弗...