1.recipient n．接受者(receiver)；a.（愿意）接受的(receptive)

例：The recipient of the lottery's grand prize quit her job.

2.reciprocal a．相互的；相应的(corresponding)；n．【数】倒数(either of a pair of numbers whose product is one)；互相起作用的事物(sth. in a reciprocal relationship to another)
联想记忆：相互( reciprocal)乘积为1的--对数互为倒数

例：The services that are provided should be reciprocal to the amount of taxes that are paid.

3.reclaim v.收回(to recover)；恢复（土地）(to restore to a previous natural state)
词根记忆：re(重新)+claim(要求)--重新要求--收回
例：The manager reclaimed decision-making authority.// It'll be a costly project to reclaim surface coal mines.

派生词：reclamation(n.改造)

4.recluse n.隐士(a person who leads a secluded or solitary life)；a．隐居的(marked by withdrawal from society)
词根记忆：re+cluse(关闭)--重新把门关上--隐居的
例：Although the bite of the brown recluse spider is rarely fatal, it causes chronic flesh wounds and poses the greatest danger to infants and the elderly, who are particularly vulnerable to its poison.

派生词：reclusive(a．隐居的)

5.recommend n.推荐；建议(to advise)
联想记忆：re+com(共同)+mend(修)--这本书是大家一修再修的成果，强力推荐--推荐

例：We should recommend the use of such identification badges to all of our clients.

6.rocommendation n．推荐(the act of recommending)；推荐信(sth. that recommends or expresses commendation)
词根记忆：来自recommend(v.推荐；介绍)

例:Such a recommendation could help us get the Windfall account by demonstrating to Windfall the rigorousness of our methods.

7.reconcile v.调停，调解(to settle)；调和，使一致(to make consistent)；使协调，使和解(to restore to harmony or friendship)
联想记忆：re+concile(看作council委员会)--召开委员会--调停，调解

例：Since the couple could not reconcile their differences, they decided to get a divorce.//Researchers are trying to reconcile the experimental result with their theory.

8.reconvene v.再集会(to gather again)
词根记忆：re(重新)+convene(集会)--再集会

例：Congress will reconvene in two weeks.

9.recoup v.补偿（to compensate）；恢复(to make good or make up for sth. lost)
例：The investor could not recoup the money she had spent on the stock.