Reciprocation

[rɪ,sɪprə'keʃən]

解释:

(noun.) alternating back-and-forth movement.

(noun.) the act of making or doing something in return.

艾拉编辑--From WordNet

解释:

(n.) The act of reciprocating; interchange of acts; a mutual giving and returning; as, the reciprocation of kindnesses.

(n.) Alternate recurrence or action; as, the reciprocation of the sea in the flow and ebb of tides.

录入:威廉敏娜

同义词及近义词：

n. Interchange, exchange, reciprocity.

约翰娜编辑

同义词及反义词：

SYN:Interchange, exchange, reciprocity

ANT:Non-interchange

录入:索尔