reciprocity between X and Y
There is a strong sense of reciprocity between the two countries.
两国之间存在着强烈的互惠意识。
相互性；相互关系
对等回应；回报；互惠；（国际）对等；相互结构；互指；互惠性,例如人际关系中的相互性。；互惠关系；相互关系。
The quality or state of being reciprocal; mutual dependence, action, or influence; a reciprocal relationship.
互惠性,例如人际关系中的相互性。
The characteristic of being reciprocal, e.g. of a relationship between people.
互惠关系；相互关系。
A reciprocal relationship.
相互依赖、相互作用或相互影响的关系。
A relation of mutual dependence or action or influence.
交互结构涉及两个名词短语,其中每个参与者相对于对方既充当施事者又充当受事者。
A reciprocal construction involves two noun phrases where each of the participants occupies both the role of agent and patient with respect to the other. see: Wikipedia:Reciprocal pronoun.
国家之间权利、特权或义务的相互交换。
The mutual exchange of rights, privileges or obligations between nations. see: Wikipedia:Reciprocity (international relations).
个体对他人行为的回应。
The responses of individuals to the actions of others.
The two countries signed a trade agreement based on reciprocity.
两国签署了一项基于互惠的贸易协定。
用法提示：此处 reciprocity 作名词，意为互惠，描述两国之间的贸易关系。
In many cultures, gift-giving is governed by an unspoken rule of reciprocity.
在许多文化中，送礼受一种不言而喻的互惠规则支配。
用法提示：这里 reciprocity 指相互性，强调人际交往中的回报行为。
The partnership requires reciprocity in sharing resources and expertise.
这种合作伙伴关系要求在共享资源和专业知识方面具有互惠性。
用法提示：此句中 reciprocity 表示相互性，强调双方对等的交换。
There is a strong sense of reciprocity between the two countries.
两国之间存在着强烈的互惠意识。
They value reciprocity in their business relationships.
他们在商业关系中重视互惠互利。
The reciprocity of trade agreements benefits both parties.
贸易协定的互惠性使双方受益。
The principle of reciprocity is fundamental to international law.
互惠原则是国际法的基础。
更抽象，强调共同关系而非具体交换
强调行动上的相互给予或回应
非正式，常用于人际关系或谈判
可指物品、思想等的交换，但不如 reciprocity 正式
grammar · medium
易错句子There is a reciprocal between the two countries.
正确表达There is reciprocity between the two countries.
“reciprocal” 是形容词，不能用作名词；应使用名词“reciprocity”表示互惠关系。
grammar · medium
易错句子We need reciprocity to each other.
正确表达We need reciprocity in our relationship.
“reciprocity” 通常与介词 “in” 或 “of” 搭配，表示在某个方面或关系中的互惠，而不使用 “to”。
reciprocity是名词，指互惠性质；reciprocal是形容词，用于修饰名词，如'reciprocal relationship'。初学者易混淆词性。
reciprocity是名词，指互惠；reciprocate是动词，表示互惠行为，如'I reciprocated his kindness.' 注意词性不同。
reciprocity强调互惠的状态或原则；reciprocation强调互惠的动作或过程。例如，'the reciprocation of favors'。
互惠条约
The two nations signed a reciprocity treaty to reduce tariffs.
两国签署了一项互惠条约以降低关税。
互惠协议
A reciprocity agreement allows citizens to enjoy mutual benefits.
互惠协议允许公民享受相互利益。
互惠原则
The principle of reciprocity is fundamental in international trade.
互惠原则是国际贸易的基础。
贸易互惠
They negotiated reciprocity in trade to balance their economies.
他们谈判贸易互惠以平衡经济。
……之间的互惠
Reciprocity between the two countries has grown over the years.
两国之间的互惠关系多年来不断发展。
互惠规范
The reciprocity norm encourages people to return favors.
互惠规范鼓励人们回报善意。
词根（同根词：reciprocal, reciprocate）
后缀（同后缀词：ability, activity, quality）
互惠通常促进合作，双方通过相互回报建立协作关系。
互惠涉及交换行为，一方给予后另一方回报。
互惠常表现为回报他人给予的恩惠或帮助。
互惠关系有助于建立和维护人与人之间的信任。
互惠是社会交往中的一种重要规范，要求以相应方式回应他人。
Dictionary facts from ECDICT, WIKTIONARY.