55. 简单词 influence 影响
influence
词根：-flu- 流动
同根词：
(3) superfluous 多余的
记忆方法：super(超过)+flu(流动)→流得过多的→多余的
实例： He got rid of many superfluous operations and thus dramatically increased the efficacy of the manufacturing processes.
(4) fluctuate 波动
记忆方法：flu(流动)+ctuate→波动
实例：Peabody says that its business plan uses projections that natural gas will fluctuate between $3.05 and $3.50 per thousand cubic feet — above current prices. (Washington times, Mar 17, 2017)
(5) influenza 流行性感冒
记忆方法：influen(ce)+za(疾病)→影响力的疾病→流行性感冒
实例：Every year new strains of influenza develop.
(6) affluent 富裕的
记忆方法：af(一直)+flu(流)+ent→一直流的→富得流油的→富裕的
实例：Most hold green cards and H-1B visas, and are far more affluent and educated than the average American. (New York Times, Apr 23, 2017)
(7) diffluent 分流的
记忆方法：dif(不同)+flu(流)+ent→分流的
实例：diffluent rivers
(8) effluent 发出的,流出的; (注入河里等的)污水
记忆方法：ef(=ex出)+flu(流动)+ent(表形容词)→流出来的
实例：The effluent from the factory was dumped into the river.
56. 简单词 gravity 重力
gravity
词根: -grav-( 变形: grav, grief, griev ) 重
同根词：
(1) grievous 严重的,庄严的
记忆方法：griev=grav(重)+ous→庄重的
近义词： solemn, serious
实例：Their loss would be a grievous blow to our engineering industries.
(2) grief 悲痛
记忆方法：悲痛是沉重的
实例：Their grief soon gave way to anger.
(3) grieve 使伤心
记忆方法：griev(重)+e(表动词)→伤心是沉重的
衍生： grievance
实例：He was deeply grieved by the sufferings of the common people.
(4) aggravate 使恶化,使加重
记忆方法：ag(一直)+grav(重)+ate(表动词)→使加重
近义词：exacerbate, deteriorate, degenerate, exasperate
衍生：aggravation 加重, 恼怒
实例：Stress and lack of sleep can aggravate the situation.
(5) gravel 沙砾，碎石
记忆方法：grav(重)+el(表名词,表人或物)→ 碎石是被重物压碎的
实例：She heard the crunch of tires on the gravel driveway.
(6) gravitate vi.受重力作用;被吸引
记忆方法：grav(重)+itate(表动词)→ 受重力作用→ 被吸引
实例：Traditionally young Asians in Britain have gravitated towards medicine, law and engineering.
57. 简单词 progress 进步
progress
词根: -gress- 走
同根词：
(1) congress 国会
记忆方法：con(一起)+gress(走)→国会
实例：Mr Temer has promised to send a draft reform bill to congress this year. (Economist, Dec 1, 2016)
(2) digress v.离题
记忆方法：di(分开)+gress(走)→离题
衍生：n. digression /excursion/discursion
实例：She always digresses when telling a story.
(3) transgress 超越,违背
记忆方法：trans(越过)+gress(走)→超越→超越道德准则→违背
实例：Never ever relent, always treat people the way you would like to be treated, and never transgress your values at any point. (New York Times, Sep 25, 2015)
(4) aggress 攻击,挑衅 (aggressive adj 挑衅的,有进取心的)
——————————————
记忆方法：ag(一直)+gress(走)→一直走向别人→挑衅
衍生： aggressive, provocative, hostile, militant, offensive
实例：Police also heckled protesters, tearing down their banners calling for real democracy, and it at times became unclear who was aggressing on whom. (Time, Dec 1, 2014)
(5) regressive 退步的，退化的
记忆方法：regress(倒退)+ive(表形容词…的)→倒退的，退步的
近义词：recessive
实例：Many considered the changes to the welfare laws a regressive step.
58. 简单词 segregate 分离
segregate
词根：-greg- 集体
同根词：
(1) aggregate 聚集,汇总的
记忆方法：ag(一直)+greg(group)+ate→形成集体→聚集
实例：England have beaten the Welsh three times in succession with an aggregate score of 83-12.
(2) congregate 聚集,集合
记忆方法：con(共同)+greg(group)+ate→一起形成集体→集合
实例：Youngsters love to congregate here in the evenings outside cinemas showing American films.
(3) gregarious 群居的,爱好社交的
记忆方法：greg(group)+arious(多...的)→群居的,爱好社交的
实例：She is such a gregarious and outgoing person.
(4) egregious 极坏的，异乎寻常的
记忆方法：e(出)+grep(群体)+ious(表形容词)→ 超出群体的→ 异乎寻常的
实例：No sane response is possible to an egregious lie except silence, and silence lets the lie win. (New Yorker, Arp 6, 2017)
59. 简单词 diagram 图表
diagram
词根: -dia- 对着的,穿过
同根词：
(1) diagonal 对角线
记忆方法：dia(对着)+gon(角)+al(物)→对着角的线→对角线
实例：The darkest squares along the main diagonal represent spots of closest interaction. (Nature)
(2) diameter 直径
记忆方法：dia(对着)+meter(=measure测量)→对着测量出来的→直径
实例：It's good to know where the diameter of a circular object is if you have to split a cookie between two 5-year-old kids.
(3) diagnosis 诊断
记忆方法：dia(对着(病人))+gno(知道=know)+sis→面对着病人知道其病情→诊断
实例：If cells or tissues are instead removed for diagnosis and treatment, that is considered part of the patient’s general consent for treatment. (Washington Times, Apr 20, 2017)
(4) dialect 方言,专业术语
记忆方法：dia(对着)+lect(说)→对着(同乡人)说→方言
实例：If the language you speak in your region is different in vocabulary, grammar and accent than the main form of the language, you speak a dialect.
60. 简单词 dialogue 对话
dialogue
词根: -log-(变形：log, loc,loq )说
同根词：
(1) analogy 类比
记忆方法：ana(类似)+log(说)→类推,类比
实例：It is often compared to companies from Silicon Valley: the “Uber of education” is one faddish analogy. (Economist, Jan 26, 2017)
(2) analogue n.相似物;相似的情况,对应的人
记忆方法：ana(类似)+logue(说)→说出来类似→ 相似物,相似的情况
实例：No model can ever be a perfect analogue of nature itself.
(3) Prologue 前序
记忆方法：pro(在前)+logue(说)→前序
实例：Like many adventure tales of the time, “Pym” begins with an elaborate prologue meant to convince readers that the story to follow is true. ( New Yorker, Apr 17, 2017)
(4) epilogue 后序
记忆方法：epi(在后)+logue(说)→后序
实例：When the economy slows, tax revenue will decline which will become a self-perpetuating cycle with a rather negative epilogue. (Forbes, Dec 29, 2014)
(5) apology 道歉
记忆方法：apo(离开,见难记词表中的apogee)+log(说)→退一步说→道歉
实例：“I greatly appreciate his apology and I think the feelings he expressed were sincere,” she said. (Washington Times, Apr 21, 2017)
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