refractory ADJ. /按不住的;不服气的;倔强的/stubborn; unmanageable. The refractory horse was eliminated from the race when he refused to obey the jockey.
refrain V. /抵制;抵抗;远离，节制/abstain from; resist. Whenever he heard a song with a lively chorus, Sol could never refrain from joining in on the refrain.
refurbish V. /刷新;修复;擦亮/renovate; make bright by polishing. The flood left a deposit of mud on everything; we had to refurbish our belongings.
refute V. /反驳/disprove. The defense called several respectable witnesses who were able to refute the false testimony of the prosecution's sole witness. refutation, N.
regal ADJ. /皇家的/royal. Prince Albert had a regal manner.
regale V. /取悦，娱乐，享受/entertain. John regaled us with tales of his adventures in Africa.
regime N. /政体/method or system of government. When the French mention the Old Regime, they refer to the government existing before the revolution.
regimen N. /舏生法/prescribed diet and habits. I doubt whether the results warrant our living under such a strict regimen.
rehabilitate V. /恢复;复原/restore to proper condition. We must rehabilitate those whom we send to prison.
reimburse V. /偿还/repay. Let me know what you have spent and I will reimburse you.
reiterate V. /重申;重复/repeat. He reiterated the warning to make sure everyone understood it.
rejoinder N. /反驳;回应/retort; comeback; reply. When someone has been rude to me, I find it particularly satisfying to come up with a quick rejoinder.
rejuvenate V. /返老还童;青春重回/make young again. The charlatan claimed that his elixir would rejuvenate the aged and weary.
relegate V. /指派;下放;贬/banish to an inferior position; delegate; assign. After Ralph dropped his second tray of drinks that week, the manager swiftly relegated him to a minor post cleaning up behind the bar.
relent V. /变宽厚;变温和/give in. When her stern father would not relent and allow her to marry Robert Browning, Elizabeth Barrett eloped with her suitor. relentless,ADJ.
relevant ADJ. /有关的;相对的/pertinent; referring to the case in hand. How relevant Virginia Woolf's essays are to women writers today! It's as if Woolf in the 1930s foresaw our current literary struggles. relevancy, N.