相关单词同义词interaction, mutual effect, 近义词 fellowship 友谊, mutual benefit 互惠互利, mutuality 相互关系, exchange 交换, trade 贸易, trade-off (对不能同时兼顾的因素)..., interchange 交换, switch 转换, reciprocality reciprocal的名...临近词REC, recopy相似词recipe, recipient, reciprocal, reciprocate, recital, recitation, recitative, recite, 返回 reciprocity