reconnoiter
【考法 1】 vt. 侦察，勘查： to make a preliminary inspection of, especially in order to gather military information
【例】 The wide utilization of unmanned aerial vehicles makes it much less risky to reconnoiter a certain area. 无人飞行器的广泛运用大大减少了军事侦察的风险
【近】 probe,scout, survey
【派】 reconnaissance n. 侦察
reconstitute
【考法 1】 vt. 重建，（尤其是通过加水）使复原： to constitute again or anew; to restore to a former condition, especiallyby adding water
【例】 reconstitute dried coffee powder 冲咖啡‖Slowly Jewish communities ravaged by Nazi Germany were reconstituted and life began anew.被纳粹德国摧残的犹太人社区慢慢得以重建，新的生活开始了。
【近】 reconstruct, reorder, reorganize, reshuffle, retool
【近】 annihilate, decimate, demolish, devastate, level, nuke, pulverize, ruin, smash, vaporize, wreck 摧毁
【派】reconstitution n. （加水）复原
reconvene
【考法 1】 v. 重新集合，重新召集：to gather, call together, or summon again, especially for a formal meeting
【例】 The leaders will reconvene tomorrow. 明天领导们会再次召开会议。
【近】 reassemble
【反】 adjourn, suspend 休会
rectitude
【考法 1】 n. 正直： the quality or state of being straight; moral integrity
【例】 The principal encouraged the graduates to go on to live lives of rectitude. 校长鼓励毕业生们在今后的生活中做一个正直的人。
【近】 honesty, integrity, probity, righteousness, scrupulousness, uprightness, virtue, virtuousness
【反】 badness, evil, immorality, iniquity, sin, villainy, wickedness 邪恶，罪恶
recumbent
【考法 1】 adj. 躺着的： lying down, especially in a position of comfort or rest
【例】 lying recumbent on the floor 躺在地板上势
【近】 decumbent, procumbent, prone, prostrate, reclining, supine
【反】 erect, upright 直立的
recuperate
【考法 1】 vi. 恢复（健康或力量），康复： to recover health or strength
【例】 He is gradually recuperating from a serious back injury. 他正渐渐地从严重的背部损伤中恢复过来。
【近】 convalesce, heal, rally, recoup, recover, rehabilitate
【反】 deteriorate, flag, wane, weaken 衰退，变得衰弱；die, expire, perish, pass away 死亡
【派】 recuperative adj. 有助于康复的
redolent
【考法 1】 adj. 芳香的： having or emitting fragrance
【例】 be redolent with the aroma of baking bread 充满了烤面包的香味
【近】 ambrosial, aromatic, fragrant, perfumed, savory, scented, sweet
【反】 unscented 没有香味的；fetid, foul, malodorous, noisome, rancid, reeky, stinky 恶臭的，腐臭的
【派】 redolence n. 芳香，香味
redoubtable
【考法 1】 adj. 杰出的，值得尊敬的： worthy of respect or honor
【例】 a surprising discovery by one of the most redoubtable figures in Egyptian archaeology 埃及考古学领域最值得敬重的人物之一所做出的一个惊人发现
【近】 bright, distinguished, illustrious, luminous, notable, noteworthy, outstanding, preeminent, prestigious
【反】 average, inferior, mediocre 平庸的，中等偏下的
【考法 2】 adj. 可怕的： arousing fear or awe
【例】 His next opponent would be by far the most redoubtable adversary the young boxer had ever faced. 年轻的拳击手的下一个对手将会是迄今为止他见过的最可怕的敌人
【近】 direful, dreadful, fearsome, formidable, frightening, ghastly, horrifying, intimidating, scary, terrifying
【反】 calming, comforting, consoling, lulling, pacifying, quieting, reassuring, relaxing, soothing 令人放松的
redundant
【考法 1】 adj. 多余的，冗余的： exceeding what is necessary or normal
【例】 This area is already chockablock with shopping malls; another one would be redundant. 这个地区已经是商场扎堆了，再建一个完全是多此一举。
【近】 excess, extra, supererogatory, superfluous, supernumerary, surplus
【反】 deficient, inadequate, insufficient, meager, niggardly, scant, scarce, short, sparse 缺乏，稀疏
【派】 redundancy n. 过剩，过多
reel
【考法 1】 vi. 感到眩晕： to be in a confused state as if from being twirled around
【例】 My head reeled with the facts and figures. 我的头脑被这些事实和数据给弄晕了。‖His mind reeled upon hearing the news that his employer had been indicted for fraud. 当他听到雇主因为欺诈而被起诉时，他顿觉天旋地转。
【近】 spin, swirl, turn, whirl
【反】 calm 保持镇定
【考法 2】 vi. 蹒跚地走路： to move forward while swaying from side to side
【例】 The drunkard reeled down the alley. 醉汉蹒跚地沿着小巷走去
【近】 careen, dodder, falter, lurch, stagger, stumble, teeter, totter, waddle