互惠的英文：
reciprocal

Reciprocal affection,help,trade
互爱、互助、互惠贸易

Mutual preferential duty
互惠关税

Mutual preferential duties
互惠关税

Swap credits
互惠信货

Reciprocal agreements to abolish customs duties; a reciprocal invitation to lunch.
关于取消关税互惠的协定;互邀共进午餐

reciprocation all societies subscribe to a norm that obligates individuals to repay in kind what they have received
互惠所有的社会都认同一个准则，即每个人都要对自己的所得作出回报。

In accordance with the international treaties signed or joined by the PRC, or the principle of reciprocity
根据中华人民共和国缔结或者参加的国际条约，或者按照互惠原则

They have a reciprocal loathing for each other.
他们互相憎恨。

Reciprocal affection,help,trade
互爱、互助、互惠贸易

The piston is reciprocating inside cylinder.
活塞在汽缸内部往复运动。

The degree of recombination is reciprocal in most cases
重新结合的程度在大多数情况下是相互的。

Courtesy requires reciprocity among neighbors.
乡里之间讲究礼尚往来。