exchangesn.票据交换总额名词exchange的复数形式.exchangev.交换；兑换n.交换；交易所；兑换；交战exchange policy标准保单exchange object交易品种exchange format交换格式exchange smiles互相微笑exchange dealer[经] 外汇掮客； 外汇经纪人exchange engine交换引擎exchange budget外汇预算exchangeable Ca交换性钙exchange at par平价兑换exchange access交换机接入