相关单词近义词 switch 转换, exchange 交换, substitute 代用品, trade 贸易, swap 交换, trade off 交换，卖掉, trading 买卖, transaction 交易, swapping 交换, substitution 代替, tradeoff 交易, junction 连接, intersection 交集, crossroads 交叉路口, change 变化, reciprocation 报答, counterchange 使交错, flip 掷, give-and-take 互相让步, flip-flop 夹趾拖鞋, transpose 调换, replace 取代, tack 大头钉, alternate 交替临近词intercom, intercept, interchanger, interchangea, interchange fee, interchange key, interchange box, interchangeable, interchangeably, interchangerable, interchange code, interchange mode 返回 interchanges