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 hellos互致问候exchange fluxes交换通量exchangeabilityn.可交换性exchange sector经济交换部,门exchange device交换装置exchange system交换制exchange crisis外汇危 机exchange coupon商品交换券exchange margin外汇差额exchange a wink交换了一下眼色