re·cip·ro·cal
adjective/rɪˈsɪprəkl/
/rɪˈsɪprəkl/
- involving two people or groups who agree to help each other or behave in the same way to each other
互惠的；相应的 - The two colleges have a reciprocal arrangement whereby students from one college can attend classes at the other.
两所学院有一项互惠协定，允许学生跨院选课。 - a reciprocal relationship between citizens and the state
公民与国家之间的互惠关系 - Anita had a reciprocal arrangement with her brother—each would take care of the other’s children if the need arose.
安妮塔与她的兄弟达成了互惠安排——如果有需要，双方都会照顾对方的孩子。
Oxford Collocations DictionaryReciprocal is used with these nouns:- arrangement
- exchange
- relationship
- …
Word Originlate 16th cent.: from Latin reciprocus (based on re- ‘back’ + pro- ‘forward’) + -al. - The two colleges have a reciprocal arrangement whereby students from one college can attend classes at the other.