A reciprocal action or arrangement involves two people or groups of people who behave in the same way or agree to help each other and give each other advantages .
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例句
1. Our relationship is based on reciprocal respect. 我们的关系是以互相尊重为基础的。 2. Although I gave him many presents, I had no reciprocal gifts from him. 虽然我给他很多礼物,但我没有收到过他给我的礼物。