reciprocation [risiprə'keiʃən]
参考词典中reciprocation的常规释义：
基本释义
- n. 交互作用,交换,来往
英英解释
3个名词解释
- the act of making or doing something in return
- alternating back-and-forth movement show all ... ( 3 )
- mutual interaction; the activity of reciprocating or exchanging (especially information)
[同] give-and-take, interchange, reciprocation
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