reciprocal /rɪˈsɪprəkəl/ adjective Learner's definition of RECIPROCAL
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used to describe a relationship in which two people or groups agree to do something similar for each other, to allow each other to have the same rights, etc.互惠的；相互的 -
a reciprocal trade agreement between two countries两国间的互惠贸易协定
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a reciprocal exchange of information信息的互惠交换
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The plan will only work if both sides fulfill their reciprocal [=mutual] obligations.只有双方互尽义务，该计划才能奏效。
— reciprocally
/rɪˈsɪprəkli/ adverb