argument 英 [ˈɑːɡjumənt] 美 [ˈɑːrɡjumənt] n. 论证；论据；争吵；内容提要；<数，逻>自变数；<语言学>主词，受词
考点1: n.争吵，争论: an often noisy or angry expression of differing opinions
■e.g. The couple's arguments were often loud enough to be heard all over the neighborhood. 这对夫妻吵架的声音往往大到能被邻居听见。
■同: altercation, controversy, disagreement, dispute, hassle, imbroglio, quarrel, squabble, tiff, wrangle
考点2: n.(逻辑上的)论证: a coherent series of statements leading from a premise to a conclusion
■e.g. In his argument the author committed several logical fallacies which undermined its soundness.在作者的论述中出现了若干逻辑谬误，从而降低了它论证的力度。
■同: account, accounting, argumentation, case, explanation, rationale, reasoning
考点3: n.观点，论点: an idea or opinion that is put forth in a discussion or debate
■e.g. It is and will always be my argument that we have too many problems here on earth to concern ourselves with manned trips to Mars.我现在和以后的观点都将会是: 在我们解决地球上的问题之前，不应该花太多的心思考 虑载人火星计划的事情。
■同: assertion, point, position, stand, thesis
iridescent 英 [ˌɪrɪˈdesnt] 美 [ˌɪrɪˈdesnt] adj. （因光线不同而）色彩斑斓的 adj. 彩虹色的 adj. 荧光色的
考点1: adj.五颜六色的: displaying a play of lustrous colors like those of the rainbow
■e.g. an iridescent soap bubble 一个五颜六色的肥皂泡
■同: n.acreous, opalescent, pearlescent
■反:monochromatic 单色的
■派: iridescence n.五彩斑斓
cognizant 英 [ˈkɒɡnɪzənt] 美 [ˈkɑːɡnɪzənt] adj. 知道的，意识到的，了解的；审理的
考点1: adj.知道的，意识到的: fully informed; conscious; aware
■e.g. We are cognizant of the problem我们己经意识到了问题。
■同: aware, conscious, witting, apprehensive, sensible
■反:oblivious, unconscious, unaware, unmindful 没意识到的
■派: incognizance n不认识，没有知识
savvy 英 [ˈsævi] 美 [ˈsævi] n. 悟性；理解能力；洞察力；实际知识 v. 理解；懂 adj. 聪慧的；具有实际知识的
考点1: n.老练，机智: knowledge gained by actually doing or living through something
■e.g. political savvy政治上的老脸精明
■同: chops, expertise, proficiency, know-how
■反:simplicity, tactlessness, inexperience 单纯，缺乏经验
考点2: v.明确了解: to have a clear idea of
■e.g. The man growled, "Don't ever date my daughter again—you savvy?"那男人咆哮道，“你丫以后不准再见我女儿，你的明白？”
■同: appreciate, apprehend, assimilate, behold, catch on, cognize, compass, conceive, decipher, decode, discern, grasp, perceive, recognize, register, seize, tumble to
■反:miss 不理解
考点3: adj.有见识，精明能干的: having or showing a practical cleverness or judgment
■e.g. a particularly savvy investor, he was among the first to see the potential in tech stocks 一个有卓识只远见的投资者，是第一批看到科技类股票升值潜力的人
■同: astute, canny, clear-eyed, clear-sighted, hard-boiled, hardheaded, heady, sharp, sharp-witted, smart
■反:unknowing 无知的
liken 英 [ˈlaɪkən] 美 [ˈlaɪkən] vt. 比拟；把…比作
考点1: vt.显示相似，比较: to see, mention, or show as similar; compare
■e.g. Life is often likened to a journey.生活经常被比作一次旅行
■同: analogize, bracket, equate, equalize
■反:contrast对比，对照以产生反差
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