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 on installment分期付款购入Purchases and Contracts采购与合同purchase on negotiation议购purchase order quantity采购订货量purchase money mortgage[经] 购买财产抵押purchase for government代购purchase order trackingph.purchase and annexation收购与兼并purchaser of technology技术购买者；技术买方purchase order response订购单回复