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北京十一选五走势图_花少钱中大奖_GMAT考试词汇精选(MP3+文本) 第321期:Unit39—4

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1.unravel v.解开,拆散(to resolve the complexity of)
词根记忆:un(打开,解开)+ravel(纠缠)--解开纠缠--解开
例:The study of the fruit fly, a household nuisance but a time-honored experimental subject, has enabled scientists to begin to unravel the secrets of how embryos develop.
2.unrealistic a,不切实际的,不实在的(not realistic)
词根记忆:un(非)+real(真实的)+istic(…的)--不真实的--不切实际的
例:It would be unrealistic to suggest that illegal digging would stop if artifacts were sold on the open market.
3.unretfined a.未提炼的(the state of being not free from what is coarse, vulgar, or uncouth)
词根记忆:un(非)+refine(提炼)+d(…的)--未提炼的
例:People who judge the quality of unrefined olive oils actually judge those oils by their acidity, which the judges can taste.
4.unreimbursed a.未偿(付,赔)还(not paid)
词根记忆:来自reimburse(v.偿还,赔付)
例:United States hospitals have traditionally relied primarily on revenues to offset losses from unreimbursed care.
5.unscrupulous a.无道德原则的,不讲道德的( unprincipled)
词根记忆:un(表否定)+scrupulous(小心的)--不讲道德的
例:an unscrupulous press无道德的新闻
6.unsubstantiated a.未经证实的,无事实根据的
词根记忆:un(表否定)+substantiate(证实)+d--未证实的
例:Bailyn's fourth proposition is intriguing though unsubstantiated.
7.untainted a.无污点的
词根记忆:un(表否定)+taint(污点)+ed--无污点的
8.untenable a.难以防守的:站不住脚的(not able to be defended)
词根记忆:un(不能)+ten(拿住)+able--拿不住的--难以防守的
例:an untenable position--令难于防守的阵地//The researchers' conclusion is untenable.
9.unwarranted a.无根据的(not justified)
词根记忆:un(不能)+warrant(保证)+ed--未经保证的--无根据的
例:This conclusion is unwarranted.
10.unwieldy a.麻烦的,难处理的(not easily managed, handled or used)
词根记忆:un(不)+wieldy(支配的,控制的)--不幸运快3app下载_幸运快3app - 花少钱中大奖控制的--麻烦的
例:Since many satellites are built by unwieldy international consortia, inefficiencies are inevitable.
重点单词   查看全部解释    
unravel [ʌn'rævl]

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v. 阐明,解释,解开

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proposition [.prɔpə'ziʃən]

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n. 建议,命题,主张
vt. 向 ... 提

 
offset ['ɔ:fset]

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n. 抵销,支派,平版印刷,弯管,[计]偏移量

 
substantiate [səb'stænʃieit]

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v. 实体化,证实

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unsubstantiated ['ʌnsəb'stænʃieitid]

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无确实根据[证据]的

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reimburse [.ri:im'bə:s]

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vt. 偿还,报销

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coarse [kɔ:s]

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adj. 粗糙的,非精制的,粗俗的

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unscrupulous [ʌn'skru:pjuləs]

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adj. 肆无忌惮的,不道德的

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conclusion [kən'klu:ʒən]

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n. 结论

 
complexity [kəm'pleksiti]

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n. 复杂,复杂性,复杂的事物

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