交流: 1.(彼此把自己有的供给对方) exchange; interflow; interchange 短语和例子交流经验 exchange experience; draw on each other's experience; 交流计划 exchange programme; 城乡物资交流 flow of goods and materials between city an
恒: Ⅰ形容词1.(永久; 持久) permanent; lasting 短语和例子永恒 eternal; everlasting2.(平常; 经常) usual; common; constant 短语和例子恒言 common sayingⅡ名词1.(恒心) perseverance 短语和例子持之以恒 persevere in (doing sth.)2.(姓氏) a sur