purchasedadj.购买的动词purchase的过去式和过去分词.purchasevt.购买n.购买；购买的物品purchase the raw material原料采购purchasee order deviation定货单差错purchase of Chinese books中文图书采购purchase of raw materials原料采购purchase inspection gauge检验量规purchase-money mortgage置产抵押purchase of oil equipment油料装备采购purchase of goods by post邮购purchase price adjustment买价调整Purchase Early Development购买早期研制