reciprocating

漢語翻譯

英文解釋：

動詞 reciprocate:

1. act, feel, or give mutually or in return
   同義詞：reciprocate
2. alternate the direction of motion of
   同義詞：reciprocate

形容詞 reciprocating:

1. moving alternately backward and forward
   同義詞：reciprocatory