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 Chance采购单修改purchase average cost进货平均价purchase power parity购买力平价purchase order number购货单号Purchase condominiums购置商品房purchase returns book购货退还簿purchase on selection选购purchaser's signature原(始)溶酶体purchaser's agreement蛋白聚糖凝胶purchase luxury goods消费奢侈品