/rɪˈsɪprəkl ||; rɪˈsɪprəkḷ/adj involving two or more people or groups who agree to help each other or to behave in the same way towards one another 交互的；相互的；互惠的: The arrangement is reciprocal. They help us and we help them. 这项安排是互惠的。他们帮助我们，我们也帮助他们。