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1、Unit Twenty WordBankWord Banksweatn.汗;繁重的工作v.出汗例句例句：By the end of the match,the sweat was pouring off him.到比赛结束时，他已经大汗淋漓了。disputen.纠纷v.对提出质询;争论例句例句：The issue remains hotly disputed.这个问题至今仍在激烈地辩论中。certaintyn.确实的事例句例句：Her return to the team now seems a certainty.她的归队现在似乎已成定局。cautiousadj.小心的;谨慎的例句例句：Th
2、eyve taken a very cautious approach.他们采取了十分谨慎的态度。Word Bankaxisn.轴;坐标轴;对称中心线例句例句：Mars takes longer to revolve on its axis than the earth.火星自转一周的时间比地球长。advisableadj.明智;可取例句例句：Early booking is advisable.早订票是明智的。decisiveadj.决定性的;果断的例句例句：She has played a decisive role in the peace negotiations.她在和谈中起了关键作
3、用。unsupervisedadj.无人监督的例句例句：Fuzzy clustering is an important method in unsupervisedclassification.模糊聚类是非监督分类中的一类重要方法。Word Bankpreciseadj.准确的;确切的例句例句：Can you give a more precise definition of the word?你能给这个词下个更确切的定义吗？drasticallyadv.彻底地；激烈地例句例句：They were accurate in their prediction that he would chan
4、ge her life drastically.他们预测得没错，他使她的生活发生了翻天覆地的变化。emergencyn.突发事件例句例句：This door should only be used in an emergency.这道门只能在紧急情况下使用。executev.(尤指依法)处决;实行;执行例句例句：The pilot executed a perfect landing.飞行员完成了一个非常娴熟的着陆动作。Word Bankconservative adj.保守的;(英国)保守党的n.(英国)保守党党员例句例句：Her style of dress was never conse
5、rvative.她的服装式样一点儿也不保守。conform v.顺从;相符合例句例句：He refused to conform to the local customs.他拒绝遵从当地的风俗习惯。leakagen.泄漏例句例句：A leakage of kerosene has polluted water supplies.泄漏的煤油污染了水源。incisionn.割口;(尤指手术的)切口例句例句：The technique involves making a tiny incision in the skin.这项技术需要在皮肤上切一个小口。Word BankGradientn.渐变;梯
6、度例句例句：The courses are long and punishing,with steep gradients.这些赛道既长又有陡坡，极具挑战性。cohort n.同伙;支持者例句例句：Drake and his cohorts were not pleased with my appointment.德雷克那一帮人对我的任命很不满。consistentadj.一致的;始终如一的例句例句：We must be consistent in applying the rules.我们在实施这些规则时必须保持一致。vaguenessn.暧昧，含糊；茫然例句例句：The vagueness
7、 of the language in the article makes it difficult to understand.文章语言隐晦，很难读。Word Bankdiscredit v.败坏的名声;使丢脸n.丢脸例句例句：He says his accusers are trying to discredit government foreign-aid policies.他说他的责难者试图使政府的对外援助政策名声扫地。animatedlyadv.谈笑风生地；活生生地例句例句：He and Jessica were talking animatedly about the snow f
8、ight as we got in line to buy food.我们排队买饭的时候，他和杰西卡在绘声绘色地谈论打雪仗的情形。anguish n.剧痛vi.使极度痛苦例句例句：Tears of anguish filled her eyes.她双眸噙满了伤心的泪水。departuren.离开;出发例句例句：His sudden departure threw the office into chaos.他的突然离去使这个部门陷入一片混乱。Word Bankportrayaln.描绘;描述例句例句：He is best known for his chilling portrayal of Hannibal Lecter.他以饰演令人毛骨悚然的汉尼拔莱克特而著称。consumption n.消耗;消费例句例句：Gas and oil consumption always increases in cold weather.燃气和燃油的消耗量在天冷时总会增加。