reciprocateon Academic Vocabulary List互换,互给,回报 reciprocate reciprocate(verb) 互换,互给,回报 reciprocation reciprocation(noun) 交换,往复运动,报答 reciprocated reciprocated(adjective) 被交换的 reciprocating reciprocating(noun) 往复 Forms verbnounadjective reciprocate reciprocation reciprocated reciprocating