- v. 互换；交换；报答；往返运动
act, feel, or give mutually or in return;
"We always invite the neighbors and they never reciprocate!"
alternate the direction of motion of;
"the engine reciprocates the propeller"
- Some day I will reciprocate your kindness to me.
- We always invite the neighbors and they never reciprocate!
Both knew..their respective emotions were reciprocated.出自： M. Coren