词典释义：
an act of giving one thing and receiving another (especially of the same type or value) in return
交换；互换；调换
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negotiations should eventually lead to an exchange of land for peace 谈判的最终结果应该是以土地换和平
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an exchange of prisoners of war 交换战俘
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[mass noun]
opportunities for the exchange of information .交换信息的良机。
a visit or visits in which two people or groups from different countries stay with each other or do each other's jobs
（不同国家间两个学者或两个学术团体之间的）交流访问
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[as modifier]
nine colleagues were away on an exchange visit to Germany .九个同事去了德国进行交流访问。
a short conversation; an argument
交谈；争论
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there was a heated exchange .当时发生了激烈的争论。
[mass noun]the giving of money for its equivalent in the money of another country
汇兑；兑换。
a system or market in which commercial transactions involving currency, shares, commodities, etc. can be carried out within or between countries
交易系统；交易所。参见<Bold>FOREIGN EXCHANGE</Bold>.
【棋】 换子，兑子。
a building or institution used for the trading of a particular commodity or commodities
商品交易所
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the old Corn Exchange on Victoria Road .维多利亚路上的那家老谷物交易所。
give something and receive something of the same kind in return
交换；互换
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we exchanged addresses 我们互换了地址
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he exchanged a concerned glance with Stephen .他和斯蒂温互相关心地看了一眼。
[no obj.]exchange contracts
互换合同。
give or receive one thing in place of another
调换
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we regret that tickets cannot be exchanged 很遗憾票不能调换
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he exchanges his cigarette ends for food .他用香烟头换取食物。
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exchange contracts Brit． （of a buyer） sign a legal contract with the vendor of a property or piece of land, making the purchase legally binding and enforceable 〈英〉 互换合同指买方与财产或土地的卖方签订合同以使交易在法律上生效 -
in exchange as a thing exchanged 作为交换it would cancel its disciplinary hearing in exchange for Harding's dropping her lawsuit . 它将取消其惩戒性的听审以换取哈定的撤诉
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exchange student 交换生
真题例句：
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in exchange for 作为...的交换
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exchange sth 交换某事
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exchange sth 交流某事
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exchange sth with sb 和某人交换某物
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"late Middle English： from Old French
