reciprocated

v.

报答，酬答( reciprocate的过去式和过去分词 )；（机器的部件）直线往复运动；

1. Some day I will reciprocate your kindness to me.
   总有一天我会报答你对我的恩德。
2. We always invite the neighbors and they never reciprocate!
   我们经常宴请邻居，可他们从来不报答我们。

Opposing BOLD responses to reciprocated and unreciprocated altruism in putative reward pathways
Reciprocated matrix metalloproteinase activation: a process performed by interstitial collagenase and progelatinase A.
ORDER BISPECTRUM: A NEW TOOL FOR RECIPROCATED MACHINE CONDITION MONITORING
Oscilating head cleaner
Stability and Change in Peer Relationships during the Transition to Middle-Level School.
Group identification in early adolescence: its relation with peer adjustment and its moderator effect on peer influence
Prioritizing User-Session-Based Test Cases for Web Applications Testing
Reciprocity and interchange of grooming and "support"in captive chimpanzees.
Reciprocal and Nonreciprocal Social Support: Contrasting Sides of Intimate Relationships
Preliminary observations on breeding and rearing the seahorse Hippocampus abdominalis (Teleostei: Syngnathidae) in captivity