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 Order Request采购单申请purchase on instalment分期付款purchased life annuity已购人寿保险年金Purchase and catalogue采编业务purchase investigation采购调查Purchase Parts Request采购零件要求purchase-sale method购买销售法purchase stock obliged强制股权购买purchase argumentation购买论证purchase of immovables购买不动产