以下是
1. radar ['reidə] n.雷达
2. radiant ['reidiənt] "a.发光的,辐射的,容光焕发的"
3. radiate ['reidieit] "v.放射,辐射;散布,传播"
4. radical ['rædikəl] "a.基本的,重要的;激进的,极端的;根本的"
5. radio ['reidiəu] n.收音机;无线电报，无线电话v.无线电通讯
6. radioactive "[,reidiəu'æktiv]" "a.放射性,放射引起的"
7. radius ['reidiəs] "n.半径,半径范围,有效航程,范围,界限"
8. rag [ræɡ] "n.抹布,破布,碎布"
9. rage [reidʒ] n.愤怒
10. raid [reid] "n/v..袭击,搜查"
11. rail [reil] "n.栏杆,围栏;(pl.)铁路;铁轨;横杆,栏杆"
12. railroad ['reilrəud] n.(railway)铁路 v.由铁道运输
13. rain [rein] n.雨;雨天;下雨 vi.下雨 vt.使大量落下
14. rainbow ['reinbəu] n.虹
15. raise [reiz] "v.举起,提升;增加;饲养;引起;竖起;提出"
16. rake [reik] "n.耙子,耙机 v.耙;搜索,探索"
17. rally ['ræli] "v.重整,恢复,振作 n.聚集,集会,拉力赛"
18. random ['rændəm] "a.随机的,随意的 n.随机,随意"
19. range [reindʒ] "n.范围,领域;排列,连续;(山)脉v.排列成行"
20. rank [ræŋk] "n.军衔,社会阶层;排 v.分等级,把…分类"
21. rap [ræp] "n.叩击,轻拍,斥责 v.敲,拍,打,斥责,使着迷"
22. rape [reip] "n./vt.掠夺,蹂躏,强奸"
23. rapid ['ræpid] "a.快,急速的 n.(pl.)急流,湍滩"
24. rare [rεə] "a.稀有的,难得的,珍奇的;稀薄的,稀疏的"
25. rarely ['rεəli] "ad.很少,难得,非常地"
26. rash [ræʃ] "a.轻率的,鲁莽的 n.皮疹"
27. rat [ræt] n.鼠
28. rate [reit] "n.速率;等级;价格,费用 v.估价;评级,评价"
29. rather "['rɑ:eə, 'ræ-]" "ad.相当,有一点儿;宁愿,宁可"
30. ratio "['reiʃiəu, -ʃəu]" "n.比,比率"
31. rational ['ræʃənəl] "a.理性的,合理的"
32. raw [rɔ:] "a.未煮过的,生的;未加工过的,未经训练的"
33. ray [rei] "n.光线,射线"
34. razor ['reizə] n.剃刀
35. reach [ri:tʃ] "v.抵达;(out)伸手,够到 n.能达到的范围"
36. react "[ri'ækt, ri:-]" "v.反应,起作用;(against)反对,起反作用"
37. read [ri:d] v.朗读;阅读 vt.辨认，观察 vi.读到，获悉
38. reader ['ri:də] n.读者;读本，读物;(英国的)大学讲师
39. readily ['redili] "ad.容易地;乐意地,欣然地"
40. reading ['ri:diŋ] "n.读书,读物,(仪表等的)读数,阅读"
41. ready ['redi] "a.(for)准备好的,现成的;甘心的"
42. real "['riəl, ri:l]" "a.真的,真实的;实际的,现实的"
43. realise "['riəlaiz, 'ri:-]" "v.(realize)认识到,体会到;实现"
44. realistic "[,riə'listik, ,ri:-]" a.现实(主义)的
45. reality "[ri'æləti, ri:-]" "n.现实,实际;真实"
46. really "['riəli, 'ri:li]" "ad.确实,实在,真正地,果然"
47. realm [relm] "n.王国,国土;领域"
48. reap [ri:p] "v.收割,收获"
49. rear [riə] "n.后面,背后,后方 v.饲养,抚养,栽培,举起"
50. reason ['ri:zən] "n.原因,理性,理智 v.推理,说服,辩论,讨论"
51. reasonable ['ri:zənəbl] "a.合理的,有道理的;通情达理的;适度的"
52. reassure "[,ri:ə'ʃuə]" v.使安心，使放心;使消除疑虑
53. rebel "['rebəl, ri'bel]" "v.反抗,反叛,起义 n.叛逆者,起义者"
54. rebellion [ri'beljən] "n.叛乱,反抗,起义"
55. recall "[ri'kɔ:l, 'ri:kɔ:l]" "v.回忆,回想;撤消,收回"
56. recede [ri'si:d] "v.退回,后退;收回,撤回;跌落,缩减,贬值"
57. receipt [ri'si:t] "n.收据,收条;收到,接到"
58. receive [ri'si:v] "v.收到,接到;遭受,受到;接待,接见"
59. recent ['ri:sənt] "a.新近的,近来的"
60. reception [ri'sepʃən] "n.接待,招待会;接收,接受,接收效果"
61. recipe ['resipi] "n.烹饪法,食谱;诀窍,方法"
62. recipient [ri'sipiənt] "a.接受的,感受性强的 n.接受者,感受者,容器"
63. reciprocal [ri'siprəkəl] "a.相互的,往复的,互利的"
64. recite [ri'sait] "v.背诵,朗诵"
65. reckless ['reklis] "a.不注意的,大意的,卤莽的,不顾后果的"
66. reckon ['rekən] "v.计算,总计,估计,猜想,依赖"
67. reclaim [ri'kleim] "v.要求归还,收回;开垦"
68. recognition "[,rekəg'niʃən]" "n.认出,辨认;承认"
69. recognize ['rekəɡnaiz] "v.(recognise)认出,承认,公认,赏识,表扬"
70. recollect "[,rekə'lekt]" "v.回忆,想起,记起,忆起,记得"
71. recommend "[,rekə'mend]" "v.推荐,介绍;劝告,建议"
72. reconcile ['rekənsail] "v.使和好,调解,使调和;(to,with)使一致"
73. record "[ri'kɔ:d, 'rekɔ:d]" n.记录;记录;履历;唱片v.记录;录音
74. recorder [ri'kɔ:də] n.记录员;录音机
75. recover [ri'kʌvə] "v.收回;(from)恢复,痊愈;重新获得"
76. recovery [ri'kʌvəri] "n.痊愈,复元;重获,恢复"
77. recreation "[,rekri'eiʃən, -kri:-]" "n.娱乐,消遣"
78. recruit [ri'kru:t] v.征募(新兵)，吸收;补充 n.新成员，新兵
79. rectangle "['rek,tæŋɡl]" "n.[数]矩形, 长方形"
80. rectify ['rektifai] "v.纠正,整顿, [化]精馏"
81. recur [ri'kə:] v.(尤指不好的事)一再发生;重现
82. recycle "[,ri:'saikl]" "v./n.再循环,重复利用"
83. red [red] a.红的，红色的 n.红色;红色颜料
84. reduce "[ri'dju:s, -'du:s]" "v.减少,缩小;简化,还原"
85. reduction [ri'dʌkʃən] "n.减小,减少,缩小"
86. redundant [ri'dʌndənt] "a.多余的,过剩的;(食物)丰富的;被解雇的"
87. reed [ri:d] "n.芦苇,苇丛;芦笛,牧笛"
88. reel "[ri:l, riəl]" "n.卷筒,线轴 v.卷,绕"
89. refer [ri'fə:] "v.参考,查询;提到,引用,涉及;提交,上呈"
90. reference ['refərəns] "n.提及,涉及;参考,参考书目;证明书(人)"
91. refine [ri'fain] "v.精炼,精制,提纯;使文雅,使高尚"
92. reflect [ri'flekt] "v.反射,反映,表现,反省,沉思"
93. reflection [re'flekʃən] "n.(reflexion)映像,倒影;反省,沉思"
94. reform [ri'fɔ:m] "v./n.改革,改造,改良"
95. refrain "[,ri:'frein]" "v.节制,避免,制止 n.(诗的)叠句"
96. refresh "[ri'freʃ, ri:-]" "v.(使)精神振作,(使)精力恢复"
97. refreshment "[ri'freʃmənt, ri:-]" "n.(pl.)点心,饮料;精力恢复,爽快"
98. refuge ['refju:dʒ] "n.避难处,藏身处"
99. refugee "[,refju'dʒi:, 'refjudʒi:]" n.(政治上的)避难者，难民
100. refund [ri'fʌnd] "n.归还,偿还额,退款 v.退还,偿还,偿付"
1. refusal "[ri'fju:zəl, ri:-]" "n.拒绝,回绝"
2. refuse "[ri'fju:z, ri:-]" "v.拒绝,谢绝 n.废物,垃圾"
3. refute "[ri'fju:t, ri:-]" "v.反驳,驳斥"
4. regard "[ri'ɡɑ:d, ri:-]" "v.(as)把…看作为;考虑n.(pl.)敬重,问候"
5. regarding "[ri'ɡɑ:diŋ, ri:-]" "prep.关于,有关"
6. regardless "[ri'ɡɑ:dlis, ri:-]" "a./ad.不管…的,不顾…的,不注意的"
7. regime "[rei'ʒi:m, ri-, ri'dʒi:m]" "n.政体,制度"
8. region ['ri:dʒən] "n.地区,地带,行政区,(科学等)领域"
9. register ['redʒistə] "n./v.登记,注册 v.(仪表等)指示,(邮件)挂号"
10. regret [ri'ɡret] "v./n.遗憾,懊悔,抱歉"
11. regular ['reɡjulə] "a.有规律的;整齐的,匀称的,正规的,正式的"
12. regulate ['reɡjuleit] "v.管制,控制;调节,校准;调整"
13. regulation "[,reɡju'leiʃən]" "n.规则,规章;调节,校准;调整"
14. rehearsal [ri'hə:səl] "n.排练,排演,演习,预演,试演"
15. reign [rein] "n./v.统治,支配,盛行 n.统治时期 v.占优势"
16. rein [rein] "n.缰绳,统治,支配 v.驾驭,控制,统治"
17. reinforce "[,ri:in'fɔ:s]" "v.增援,加强"
18. reject [ri'dʒekt] "v.拒绝,抵制,丢弃,排斥,退掉 n.落选者"
19. rejoice [ri'dʒɔis] "v.(使)欣喜,(使)高兴"
20. relate [ri'leit] "v.叙述,讲述;使互相关联"
21. relation [ri'leiʃən] "n.关系,联系;亲属,亲戚"
22. relationship [ri'leiʃənʃip] "n.关系,联系"
23. relative ['relətiv] "a.相对的,比较的,有关系的 n.亲戚,关系词"
24. relativity "[,relə'tivəti]" n.相关(性);相对论
25. relax [ri'læks] "v.(使)松驰,放松"
26. relay "['ri:lei, ri'lei]" "v.中继,转播,接力 n.接替人员,替班"
27. release [ri'li:s] "v.释放,解放;发表,发行 n.释放,豁免,放松"
28. relevant ['reləvənt] "a.有关的,中肯的,相应的,实质性的"
29. reliable [ri'laiəbl] "a.可靠的,可信赖的,确实的"
30. reliance [ri'laiəns] "n.信任,信心,依靠,依靠的人或物"
31. relief [ri'li:f] "n.(痛苦等)减轻,解除;援救,救济"
32. relieve [ri'li:v] "v.减轻,解除,援救,救济,换班"
33. religion [ri'lidʒən] "n.宗教,信仰"
34. religious [ri'lidʒəs] "a.宗教的,信教的,虔诚的"
35. relish ['reliʃ] "n.美味,味道,调味品,食欲,乐趣 v.喜欢,品味"
36. reluctant [ri'lʌktənt] "a.不愿的,勉强的"
37. rely [ri'lai] "v.(on)依赖,依靠;信赖,信任"
38. remain [ri'mein] "v.剩下,余留;留待,尚须;仍然是,依旧是"
39. remainder [ri'meində] "n.剩余物,剩下的;余数,余项"
40. remains [ri'meinz] "n.(pl.)剩余,残余,遗迹"
41. remark [ri'mɑ:k] "n.(about,on)评语,意见 v.(on)评论;注意到"
42. remarkable [ri'mɑ:kəbl] "a.值得注意的;显著的,异常的,非凡的"
43. remedy ['remidi] "n.药品;治疗措施 v.治疗,医治;纠正,补救"
44. remember [ri'membə] "v.记住;(to)转达问候,代…致意,代…问好"
45. remind [ri'maind] "v.(of)提醒,使想起"
46. remnant ['remnənt] "n.剩余(物),零料,遗迹[风] a.剩余的,残留的"
47. remote [ri'məut] "a.远的,遥远的,疏远的,偏僻的,细微的"
48. removal [ri'mu:vəl] "n.移动,迁居;除去"
49. remove [ri'mu:v] "v.移动,脱掉,调动,免职"
50. renaissance n.[the R-]文艺复兴(时期);新生，复兴
51. render ['rendə] "v.使得,致使;提出,提供,呈报"
52. renew [ri'nju:] "v.(使)更新,恢复,重新开始,继续"
53. renovate ['renəuveit] "v.更新,修复"
54. rent "v.租,租赁 n.租金"
55. repair [ri'pεə] "n.修理,修补 v.补救,纠正;修理"
56. repay "[ri:'pei, ri-]" "v.偿还,报答"
57. repeat [ri'pi:t] "v.重复,重说,重做 n.重复"
58. repeatedly "ad.重复地,再三地"
59. repel [ri'pel] "v.击退,抵制,使厌恶,使不愉快"
60. repertoire ['repətwɑ:] "n.节目,全部剧目,保留剧目,全部技能"
61. repetition "[,repi'tiʃən]" "n.重复,反复"
62. replace [ri'pleis] "vt.取代,替换,代替,把...放回原处"
63. replacement [ri'pleismənt] "n.取代,替换,替换物,代替物"
64. reply [ri'plai] "v./n.(to)回答,答复,以…作答"
65. report [ri'pɔ:t] "n./v.报告,汇报;传说,传阅"
66. reporter [ri'pɔ:tə] "n.报告人,通讯员;记者,报导者"
67. represent "[,repri'zent]" "v.描述,表示;代表,代理;阐明,说明"
68. representative "[,repri'zentətiv]" "n.代表,代理人 a.(of)典型的,有代表性的"
69. repression [ri'preʃən] n.压抑，压制，镇压
70. reproach [ri'prəutʃ] "v./n.责备,指责"
71. reproduce "[,ri:prə'dju:s]" "v.生殖;翻版;繁殖;复制,仿造"
72. reptile "['reptail, -til]" n.爬行动物
73. republic [ri'pʌblik] "n.共和国,共和政体"
74. republican [ri'pʌblikən] a.共和的
75. reputation "[,repju'teiʃən]" "n.名誉,名声,声望"
76. request [ri'kwest] "v./n.请求,要求"
77. require [ri'kwaiə] "v.需要;(of)要求,命令"
78. requirement [ri'kwaiəmənt] "n.(for)需要,需要的东西,要求"
79. rescue ['reskju:] "v./n.营救,援救"
80. research "[ri'sə:tʃ, 'ri:s-]" "v./n.(into,on)研究,调查"
81. resemblance [ri'zembləns] "n.相似,相似性[点,物]"
82. resemble [ri'zembl] "v.像,类似"
83. resent [ri'zent] "v.对…表示忿恨,怨恨"
84. reservation "[,rezə'veiʃən]" "n.保留,保留意见;预定,预订"
85. reserve [ri'zə:v] "n.储备(物),储备金;缄默 v.保留,储备;预定"
86. reservoir ['rezəvwɑ:] "n.水库,蓄水池"
87. residence ['rezidəns] "n.住处,住宅"
88. resident ['rezidənt] "n.居民,常住者 a.居住的"
89. resign [ri'zain] "v.辞去,辞职,使听从(于),使顺从"
90. resist [ri'zist] "v.抵抗,反抗;抗,忍得住,抵制"
91. resistance [ri'zistəns] "n.(to)抵抗,反抗;抵抗力,阻力;电阻"
92. resistant [ri'zistənt] "a.(to)抵抗的,有抵抗力的"
93. resolute "['rezəlju:t, -lət]" "a.坚决的,果断的"
94. resolution "[,rezə'lu:ʃən, -,lju:-]" "n.坚决,决心;决定,决议"
95. resolve [ri'zɔlv] "v.决心;(使)分解,溶解;决议 n.解决;决心"
96. resort [ri'zɔ:t] "v.凭借,求助,诉诸n.度假胜地,常去之处,手段"
97. resource "[ri'sɔ:s, -'zɔ:s]" "n.(pl.)资源,财力;办法,智谋;应变之才"
98. respect [ri'spekt] "n./v.尊敬,尊重 n.敬意,问候,关系,方面"
99. respective [ri'spektiv] "a.各自的,各个的"
100.respond [ri'spɔnd] "v.回答,响应,作出反应"
1. response [ri'spɔns] "n.回答,响应,反应"
2. responsibility "[ri,spɔnsə'biləti]" "n.责任,责任心;职责,任务"
3. responsible [ri'spɔnsəbl] "a.(for,to)应负责的;可靠的;责任重大的"
4. rest [rest] n.休息;剩余部分 v.休息;睡;放，靠，搁
5. restaurant "['restərɔŋ, -rɔnt]" "n.餐馆,饭店"
6. restless ['restlis] a.得不到休息的;不平静的;坐立不安的
7. restore [ri'stɔ:] "v.恢复,使回复;归还,交还;修复,重建"
8. restrain [ri'strein] "v.(from)抑制,制止"
9. restraint [ri'streint] "n.抑制,制止"
10. restrict [ri'strikt] "v.限制,约束"
11. result [ri'zʌlt] "n.结果,成绩 v.结果,致使,导致,由…而造成"
12. resultant [ri'zʌltənt] a.作为结果而发生的;合成的
13. resume "[ri'zju:m, -'zu:m]" "n.个人简历 v.再继续,重新开始;再用;恢复"
14. retail ['ri:teil] n.零售
15. retain [ri'tein] "v.保持,保留"
16. retention [ri'tenʃən] "n.保留,保持,保持力,记忆力"
17. retire [ri'taiə] "v.退休,引退;退却,撤退;就寝"
18. retort [ri'tɔ:t] "n./v.报复,反击,反驳"
19. retreat [ri'tri:t] "v.撤退,退却"
20. retrieve [ri'tri:v] vt.重新得到，取回;挽回，补救;检索
21. retrospect ['retrəuspekt] v./n.回顾，回想，追溯[反]foresee
22. return [ri'tə:n] "v./n.返回,回来;归还,送还;回答"
23. reveal [ri'vi:l] "v.展现,显示,揭示,揭露,告诉,泄露"
24. revelation "[,revə'leiʃən]" "n.揭示,揭露,显示,启示,新发现,被揭露的事"
25. revenge [ri'vendʒ] "n.报复,复仇 v.替…报仇"
26. revenue "['revənju:, -nu:]" "n.财政收入,税收"
27. reverse [ri'və:s] "n.相反;背面 a.相反的 v.颠倒,倒转"
28. review [ri'vju:] "v.回顾,复习 n.回顾,复习;评论"
29. revise "[ri'vaiz, 'ri:vaiz]" "v.修订,校订;修正,修改"
30. revive [ri'vaiv] v.恢复;(使)复苏
31. revolt "[ri'vəult, -'vɔ:lt]" "v./n.反抗,起义"
32. revolution "[,revə'lju:ʃən]" "n.革命;旋转,转数"
33. revolutionary "[,revə'lju:ʃənəri]" "a.革命的,革新的 n.革命者"
34. revolve "[ri'vɔlv, -'vɔ:lv]" "v.(使)旋转;考虑;【天】公转,循环"
35. reward [ri'wɔ:d] "n.(for)报酬,赏金 v.(for)酬劳;酬谢"
36. rhythm "['rieəm, 'riθəm]" "n.节奏,韵律"
37. rib [rib] "n.肋骨,肋状物"
38. ribbon ['ribən] "n.缎带,丝带,带,带状物"
39. rice [rais] "n.稻,米"
40. rich [ritʃ] "a.富的,有钱的;富饶的;(in)充足的,丰富的"
41. rid [rid] "v.(of)使摆脱,使去掉"
42. riddle ['ridl] "n.谜,谜语"
43. ride [raid] "v./n.骑,乘"
44. ridge [ridʒ] "n.岭,山脉;屋脊;鼻梁"
45. ridiculous [ri'dikjuləs] "a.荒谬的,可笑的"
46. rifle ['raifl] n.步枪
47. right [rait] "a.右的,正确的 n.右,权利ad.在右边,正确地"
48. rigid ['ridʒid] a.刚性的;刻板的;严厉的
49. rigorous ['riɡərəs] "a.严格的,严厉的,严酷的,严密的,严谨的"
50. rim [rim] "n.(圆物的)边,边缘;(眼镜)框"
51. ring [riŋ] "n.戒指;环;铃声;(打)电话 v.按(铃),敲(钟)"
52. riot ['raiət] "n.暴(骚)乱,蔓延,彩色缤纷 v.*,*"
53. rip [rip] "v.撕,剥,劈,锯,裂开,撕裂 n.裂口,裂缝"
54. ripe [raip] "a.熟的,成熟的;(for)时机成熟的"
55. rise "[raiz, rais]" "v.升起;起立;上涨;起义 n.上涨,增高;起源"
56. risk [risk] v.冒…的危险 n.冒险;风险
57. ritual "['ritjuəl, -tʃu-]" "a.宗教仪式的,典礼的 n.(宗教)仪式,典礼"
58. rival ['raivəl] "n.竞争者,对手 v.竞争,对抗 a.竞争的"
59. river ['rivə] n.河流
60. road [rəud] "n.路,道路,途径"
61. roar [rɔ:] "n./v.吼叫,怒号;轰鸣,咆哮"
62. roast [rəust] "v.烤,炙,烘"
63. rob [rɔb] "v.(of)抢劫,盗取;非法剥夺"
64. robe [rəub] "n.长袍,上衣"
65. robot "['rəubɔt, -bət, 'rɔbət]" "n.机器人,自动机械"
66. robust "[rəu'bʌst, 'rəubʌst]" "a.强健的,雄壮的,精力充沛的,坚固的,浓的"
67. rock [rɔk] "n.岩石,石块 v.摇,摇动"
68. rocket ['rɔkit] n.火箭
69. rod [rɔd] "n.杆,棒"
70. role [rəul] "n.角色,作用,任务,职责"
71. roll [rəul] "v.滚动;使摇摆;卷,卷起 n.卷,卷形物;名单"
72. romance "[rəu'mæns, 'rəumæns]" "n.传奇,爱情故事"
73. romantic [rəu'mæntik] "a.浪漫的,传奇式的;不切实际的,好幻想的"
74. roof "[ru:f, ruf]" "n.屋顶,顶"
75. room "[ru:m, rum]" n.房间，室，空间，地方;余地
76. root "[ru:t, rut]" "n.根,根部;根本,根源 v.(使)生根,(使)扎根"
77. rope [rəup] "n.绳,索"
78. rose "n.玫瑰,蔷薇"
79. rot [rɔt] "v.(使)腐烂,(使)腐败,腐朽"
80. rotary ['rəutəri] a.旋转的
81. rotate "[rəu'teit, 'rəuteit]" v.(使)旋转
82. rotten ['rɔtən] "a.腐烂的,腐朽的"
83. rough [rʌf] "a.粗糙的;粗略的,大致的;粗野的,粗暴的"
84. round [raund] a.圆的prep.围绕ad.在周围v.绕行n.(一)回合
85. roundabout "['raundə,baut]" "a.迂回的,转弯抹角的 n.环状交叉路口"
86. rouse [rauz] vt./vi.唤醒，唤起;激励;激起
87. route "[ru:t, raut]" "n.路线,路程"
88. routine [ru:'ti:n] "n.例行公事,常规 a.常规的,例行的"
89. row [rəu] n.(一)排，(一)行;吵嚷 v.划(船等)，荡桨
90. royal ['rɔiəl] "a.王室的,皇家的;第一流的,高贵的"
91. royalty ['rɔiəlti] "n.皇家,皇族"
92. rub [rʌb] "v.擦,摩擦"
93. rubber ['rʌbə] "n.橡皮,橡胶;橡胶制品,胶鞋"
94. rubbish ['rʌbiʃ] "n.垃圾,废物;废话"
95. ruby ['ru:bi] n.红宝石
96. rude [ru:d] "a.粗鲁的;猛烈的,残暴的;粗糙的,粗陋的"
97. rug [rʌɡ] n.(小)地毯;围毯
98. ruin "['ruin, 'ru:-]" "v.毁灭;(使)破产 n.毁灭,崩溃;(pl.)废墟"
99. rule [ru:l] "v.统治;支配;裁定n.规章,条例;习惯;统治"
100. ruler ['ru:lə] "n.统治者,支配者;尺,直尺"
101. rumor ['ru:mə] "n.(rumour)传闻,谣言"
102. run [rʌn] v.奔，跑;流，淌;蔓延，伸展;经营;运转
103. rural ['ruərəl] "a.乡下的,田园的,乡村风味的"
104. rush [rʌʃ] "v.(使)冲;奔n.冲,急速行进 a.(交通)繁忙的"
105. rust [rʌst] n.铁锈 v.(使)生锈
106. ruthless ['ru:θlis] "a.残酷的,无情的"
107. rabbit ['ræbit] n.兔子
108. race [reis] "n.赛跑;人种,种族;属,种 v.赛跑"
109. racial ['reiʃəl] "a.种的,种族的"
110. rack [ræk] "n.挂物架,搁物架 v.使痛苦,折磨"
111. racket ['rækit] n.球拍
