Poly ( vinyl alcohol ) has been protected against radiation by benzalation and benzoylation.聚乙烯醇 的耐辐解可通地苄叉化和苯甲酰化提高.Poly alcohol has been protected against radiation by benzalation and benzoylation.聚乙烯醇的耐辐解可通过苄叉化和苯甲酰化提高.M...
This was a troubling essay on the anatomy of nationhood.这是一篇剖析民族主义的让人不安的文章。The ball hit him in the most sensitive part of his anatomy.球击中了他身上最敏感的部位。He had worked extensively on the anatomy of living animals.他在活体解剖方面经验丰富。...