好词典
reciprocity
UK //ˌrɛsɪˈprɒsɪti//US //ˌrɛsɪˈprɑːsəti//
词源
源自拉丁语 'reciprocus'（意为'来回移动的'），通过法语 'réciprocité' 进入英语，最早记录于18世纪。
noun
❶ 指双方互相给予或交换同等利益、帮助或待遇的关系，强调互惠互利的行为或原则。
“The treaty was based on the principle of reciprocity between the two nations.”
（该条约基于两国之间的互惠原则。）
“In friendship, reciprocity is essential to maintain a healthy relationship.”
（在友谊中，互惠是维持健康关系的关键。）
同义词:mutuality, exchange, give-and-take
常见短语
reciprocity agreement — 指双方或多方达成的协议，规定彼此在特定领域（如贸易、签证）给予对等的权利或待遇。
“The two countries signed a reciprocity agreement to waive visa requirements for their citizens.”
（两国签署了互惠协议，免除对方公民的签证要求。）