reciprocate

详细解释:vt. 回报, 互换, 交换, 报答, 使往复运动
vi. 往复运动, 回报, 互换, 酬答

词型变化：

名词:reciprocator形容词:reciprocative动词过去式:reciprocated过去分词:reciprocated现在分词:reciprocating第三人称单数:reciprocates

英语解释：

动词 reciprocate:

act, feel, or give mutually or in returnalternate the direction of motion of

例句：

If I can reciprocate at any time, please be sure to call on me.如果将来我能为您做些什么，请直言。