17. 简单词 scissors 剪刀
词根：-sciss- (变形scind, cide(来源于decide = de(加强)+cide(剪断)→一刀两断→下决心), cise)
同根词
⑵ abscission 切断,脱掉
记忆方法：ab(to,一直)+scission (切断)→切断
实例：Students worked with collaborative teams to develop innovative methods for quantifying leaf color change and abscission in campus trees.
⑶ escind 废除;撤销
记忆方法：re(一再)+scind(切)→ 一再地切→ 废除
实例：Trade Union leaders have demanded the government rescind the price rise.
⑷ suicide 自杀
记忆方法：sui(自己)+cide(切断)→自杀
实例：commit suicide
⑸ excise 消费税; 切除
记忆方法：ex(出)+cide/cise(切断)→切除
实例：1. They are pressing the Chancellor to reduce excise duty on beer.
2. He launched a personal crusade to excise racist and sexist references in newspapers.
⑹ incise 雕刻
记忆方法：in(入)+cise(切断)→雕刻
实例：After the surface is polished, a design is incised or painted.
⑺ incisive 锋利的,尖刻的(指犀利深入)
记忆方法：incis(=incise 雕刻)+ ive(表形容词) →像雕刻一样刻进去→尖刻的
实例：His report on the operational fallacies is incisive and revealing.
18.简单词 condiment 调味品
词根：-cond-, 隐藏= -hid-,调味品正是用于隐藏坏味道的
同根词：
⑴ abscond 潜逃
记忆方法：ab(to,一直)+cond(隐藏)→潜逃
实例：He absconded with all the money stolen from the bank.
⑵ recondite 深奥的
记忆方法：re(一再)+cond(隐藏)+ ite(形容词后缀)→一再隐藏的→深奥的,难懂的
近义词：abstruse, complicated, elusive
实例：We hear from mathematicians that bees have practically solved a recondite problem.
19. 简单词 intrusive 不请自来的,唐突的
词根：-trus-(变形trud) 推= push (intrusive = in(入)+trus(推)+ive(形容词)→推入的→不请自来的,唐突的)
简单词：
⑴ abstruse 深奥的
记忆方法：ab(to,一直)+trus(推,衍生为推理)→需要一直推理的→深奥的
近义词：recondite, complicated, elusive
实例：Einstein's theory of relativity is very abstruse.
⑵ protrusion 伸出,突出
记忆方法：pro(向前)+trus(推)+ion(名词后缀)→推出部分→突出
衍生：protrude
实例：He grabbed at a protrusion of rock with his right hand.
⑶ obtrusive 突出的,冒失的
记忆方法：ob(加强)+trus(推)+ive→突出的,冒失的
近义词：impertinent
实例：These heaters are less obtrusive and are easy to store away in the summer.
20. 简单词 contain 包含
词根：-tain-(变形tain, tin, ten) 拿住=hold
同根词：
⑴ attain 获得
记忆方法：at(to,一直)+tain(拿到)→获得
实例：On that day, China expected to be unshackled from its legal label as a “non-market economy” and attain “market-economy status”.
⑵ detain 拘留
记忆方法：de(加强动作)+tain(拿住) )→把人拿住
实例：The lawsuit alleges that detained immigrants awaiting court dates were forced to work for $1 per day or for free, on threat of solitary confinement.
⑶ retain 保留
记忆方法：re(反复)+tain(拿住)→保留
实例：The consistently low level indicates that employers are retaining workers and possibly looking to hire.
⑷ sustain 维系,支持
记忆方法：sus(在下)+tain(稳住)→支持,维系
衍生：sustenance
实例：With evidence of sustained growth, the Federal Reserve is all but certain to raise interest rates at the Federal Open Market Committee meeting next week.
⑸ abstain 戒绝(烟酒等),弃权
记忆方法：abs(不再)+tain(拿住)→放弃
衍生：abstinence, abstemious
实例：Do you drink, smoke, or abstain?/Three members of the party abstained in the vote.
⑹ pertain 是关于(pertain to = is about)→ pertinent 相关的
记忆方法：per(全部)+tain(拿住)→全部拿住→是相关的
衍生：pertinent
实例：His remarks did no pertain to the purpose of the meeting at all.
⑺ pertinacious 坚定不移的,固执的
记忆方法： per(彻底)+tin(拿住)+ acious(多...的)→拿了很多而且拿了不放的→坚定不移的
实例：I can affirm that he is tenacious and pertinacious as are few.
⑻ retinue n.一批随员
记忆方法： re(一再)+ tin(拿, 支撑)+ue→ 一直拿着我东西的人→随从人员
实例：Mind trainers are now part of a tennis star's retinue.
⑼ tenacious 顽强的;黏着力强的
记忆方法：ten(拿住,支撑)+ acious(表形容词,"有……特征的,多……的,易……的")→
近义词：assiduous, sedulous, studious, persevering, industrious, persistent
实例：She is very tenacious and will work hard and long to achieve objectives.
⑽ tenet 原则;信条;教义
记忆方法：ten(拿住,支撑)+ et→ 原则,信条就是一个人一直坚持拿住的信念或者支撑他决策的理念
实例：The judge's ruling was based on the simple commonsense tenet that no man is above the law.
⑾ tenure n.占有(职位,不动产等);占有期;终身职位
记忆方法： ten(拿住,支撑)+ure(表抽象名词, 行为,状态及其结果,情况等)→ 占有就是对职位,房产等拿着一直不放的状态或是行为
实例：1.He was in the middle of his tenure as Oxford Professor of Poetry and at the height of his fame.
2.Junior staff have only a slim chance of getting tenure.
21. 简单词 taint 污点
词根：-taint- 污点,污迹
简单词
⑴ untainted无污点的
记忆方法：un(不, 非)+taint(使变质,使污染)+ed(过去分词作形容词)→ 无污点的
实例：My conscience stays untainted in spite of rumors and slanders from the outside.
22. 简单词 accelerate 加速
accelerate
词根：-celer- 快,速度
简单词：
⑴ decelerate (使)减速
记忆方法：de(向下)+celer(速度)+ate→(使)减速
实例：The company's losses widened last year, and it is experiencing decelerating user growth in the face of intense competition from larger rivals such as Facebook.
⑵ celerity 迅速
记忆方法： celer(快)+ity(表名词) →快速
近义词：swiftness, rapidity, quickness, fleetness
实例：Celerity is the soul of warfare.
23.简单词 accept 接受
词根：-cept-(变形cept, ceiv, ceit, capt)拿=hold=-tain-
同根词：
⑴ conceive 构思,想,怀孕
记忆方法：con(一起)+ceive(拿)→拿到一起来(想)→构思
实例：When the project was conceived, the United States was struggling to lift domestic oil supplies and push down prices.
⑵ conceit 自大,巧妙的比喻(由conceive衍生)
记忆方法：con(一起)+ceit(拿)→(自认为)全部都可以拿得到→自大
近义词： boastfulness, arrogance
实例：He knew, without conceit, that his work was awesome and extremely beneficial for the company.
⑶ deceive 欺骗
记忆方法：de(向下,坏)+ceive(拿)→拿不好的东西给人→欺骗
衍生：deceitful
实例：A group of academics published research last week that showed how to deceive this system by injecting images into videos.
⑷ precept 准则,戒律
记忆方法：pre(在前)+cept(拿)→在加入之前就接受的→戒律,准则
实例：the precepts of Buddhism
⑸ susceptible 易受影响的; 易受感染的;善感的
记忆方法：sus(在…下面)+cept(拿)+ible(可以…的,容易...的)→易被拿下的=易受影响的； 易受感染的；善感的
实例：1.Walking with weights makes the shoulders very susceptible to injury.
2.He was, she believes, unusually susceptible to women.
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