词根:trud, trus = to thrust, to push(推, 插入)
来源于拉丁语 trudere 推挤,过去分词为trusus。
同源词:
1. obtrude [使劲推以成为阻碍ob(=in the way,intensive)+trud(=thrust)]
vt.sth + upon / on + sb 强加,强制;伸出 vi. upon / on + sth 闯入,打扰
obtrusive adj. 强迫人的;鲁莽的
obtrusion n. 强加;闯入
obtrusively adv.冒失地
I'm sick of that guy obtruding his opinions upon us at every turn. 我对经常把自己的意见强加给我们的那个謇伙感到厌烦。
2. obtrude [向前推pro(=forth) +trud(=thrust)]
v.(使)伸出.(使)突出
protrusion n.伸出,突出
protrusive adj.伸出的,突出的;惹眼的
The lavatory protrudes 22 inches from the bathroom wall.洗脸池从冼手间的墙壁上突出来22英寸。
3. extrude [ex-出,trud 推;“推出”]
v.逐出,赶走,挤压出,喷出
extruder [见上,-er表示物] 挤压机
extrusion [见上,-ion名词后缀] 逐出,喷出,挤压
extrusive [见上,-ive…的] 逐出的,喷出的,挤出的
4. abstruse [用力刺的 abs<ab (= intensive, away) + trus (= thrust) ]
adj. deep in meaning;difficult to understand 深奥的;难以理解的;
abstruseness n. 深奥;难以理解;
For most people,the field of theoretical physics is decidedly abstruse . 对大部分人来说,理论物理学确实很难。
5. intrude [in-入,trud冲,闯;“闯入”,“冲入”]
v. 侵入,把…强加(在);硬挤入,侵入;打扰
intruder [见上,-er者]
n.入侵者,闯入者 intruder aircraft(夜间空袭敌方机场的飞机)intruder patrols(强行闯入的巡逻队)
intrusion [in-入,trus冲,闯,-ion名词后缀]
n.入侵,闯入
guilty of unpardonable intrusior 不可饶恕的侵犯罪
angry at numerous intrusions 对屡次干扰感到愤怒
6. intrusive [见上,-ive…的]
adj.入侵的,闯入的
7. thrust
v.用力推;(用刀等)刺n.猛推,刺:突击;抨击;要点
thruster n. 推进者;(口>拼命向上爬的人
with one thrust(用力一推)
home thrust 打中要害的一击
8. protrude [pro-向前,trud推;“推向前”向前不断的推进,即使伸出 / 使突出]
v. 使伸出,使突出
9. protrudent [见上,-ent…的]
adj.伸出的,凸出的,突出的
10. protrusile [见上,-ile可…的]
adj.可伸出的,可突出的
11. protrusive [见上,-ive…的]
adj. 伸出的,突出的
12. detrude [de-下,trud推]
v.推下,推落,推倒,推去
detrusion n. [见上,-ion名词后缀] 推下,推倒
词根:ag, act, ig = to drive(驱使), to do(做)
词根ag来源于拉丁动词agere 的词干部分,意思to drive,to do 。act 是个英语核心单词,其实它的前身act是ag的同源异形词根,来自agere 的动名词形式actum的词干部分,基本含义也是to do或to drive。当ag之前为元音时,ag中的"a"脱落变成"g"。这几个词根用做to drive 之意时,其同义词根有来自拉丁语的flig,pel/puls(peal)。此外,来自拉丁语的词根dict/duc(du),men(mean)及来自希腊语的agog 意为to lead,含义相似。
同源词:
1. cogent (共同驱动的 co<com(=together) + g<ag(=drive,do))(我们一起做—>一起收集资料—>一起做出来的,共同努力做出来的东西往往很有说说服力的)
adj.有说服力的
cogency n.说服力
Our physics professor presented a very cogent lecture on quarks. 我们的物理学教授关于夸克理论的讲座十分有说服力。
2. coagent(co- 共同,ag做,作 ,-ent 表示人-->共同做事的人-->)
n. 共事者,合作者
coagency n.(同上,-ency 名词后缀)共事,协作,合作
3. ambiguous(转圈开的 amb<ambi(=around,both) + ig(=drive))
adj.引起歧义的;暧昧的,模糊的,意图不明确的
ambiguity n.暧昧,模糊,含糊不清;可作两种(或多种)解释
The instructions are somewhat ambiguous and contain many grammatical mistakes. 使用说明书有些意思模糊,而且其中语法错误百出。
4. exigency(赶到外边 ex(=out) + ig(=drive))
n.危急,紧急状态,当务之急
exigent adj.紧急的,迫切的
He put his house up for sale for reasons of financial exigency. 他因经济紧张而拍卖了房子。
5. intransigent(不能交叉成十字形拉走 in(=not) + trans(=across) + ig(=drive))
adj.(尤其指政治上)不妥协的
n.不妥协的人
intransigence n.不妥协的态度
My parents are intransigent about not letting me drive until i'm 18. 我父母坚决不让我在我18岁之前开车。
6. prodigal (向前赶的 prod<pro (=forth) + ig(=drive))
adj.浪费的,挥霍的;放荡的;慷慨的;丰富的
prodigality n.挥霍,浪费
prodigally adv.浪费地,挥霍地
My father's prodigal spending left him bankrupt after a few years. 我父亲的挥霍无度让他在几年后破产了。
7. agency (ag 做,-ency 名词后缀)
n.代理,代理处,中介机构;(the ~ of)...的作用政府的专门机构
the agency of water 水的作用
8. agenda (ag 做,-end 名词后缀,-a 表示复数;原义为:things to be done,“待做的事项” -->)
n.待议诸事项;议程;日常工作事项 *ag(=do)
item No. 5 on the agenda 议程第五项
9. agent (ag 做,办理,-ent 名词后缀,表示人;“做事者”,“办事人”-->)
n.代理人,代理商;特工;原因,动因;[化]剂 *ag(=do)
agential adj.(同上,-ial 形容词后缀, ...的)
subagent n. (sub- 次的,副的,agent 代理人)
FBI agent 美国联邦调查局特工
chemical agents 化学药剂
10. agile (ag 动 --> 活动 -->灵活,-ile 形容词后缀,...的)
adj.敏捷的,轻快的,灵活的 *ag(=drive)
agility n.(同上,-ility 名词后缀,表示抽象名词)灵活,敏捷
11. stratagem
n.战略,对策 *strat (=army) ,ag(=drive)
12. litigate
v.诉讼 *lit(=dispute) ,ig(=drive)
13. litigation
n.诉讼
14. navigable
adj.(河、海等)可航行的,适于航行的;可操纵的 *nav(=ship,sail)
not in a navigable condition 不具备航海条件的
15. navigate
v.航海,航空;操纵 *nav(=ship,sail) ,ig(=drive)
16. navigation
n.航海,航空;航行
Navigation Acts 航海条例
17. navigator
n.航海者,航海家;飞行员 *nav(=ship,sail),ig(=drive)
18. counteract (counter反+act行动,活动,做→反着动→力量对抗→抵消)
v.和...相抵消,对...起作用;中和 *coounter(=against) ,act(=do)
counteraction n.中和(作用);反作用
counteract his bad influence 消除他的不良影响
19. enact
v.制定(法律),颁布(法案);上演,演出 *en(=make),act(=do)
enactment n.(法的)制定,立法;法规,法令
as by law enacted 按照法律规定
20. exact
adj.正确的;准确的;精密的 v.索取;强求;要求 *ex(=out,intensive),act(=do)
exactitude n.正确;精密,确切
exaction n.强征(之物);勒索(之物)
the exact meaning of the word 这个词的准确意思
21. exactly
adv. 准确地,确切地;(肯定的回答)一点不错,正是 *ex(=out,intensive),act(=do)
That's exactly what i said. 这正是我所说的
Exactly! 一点不错!
not exactly 并不一定那样
22. exacting
adj.苛求的,苛刻的,严格的;听力的 *ex(=out,intensive),act(=do)
exacting job 吃力的工作
23. inaction
n.不活动,无行动;懒惰 *in(=not),act(=do)
24. inactive
adj.不活动的,无行动的 *in(=not),act(=do)
25. inactivate
v.使无法活动 *in(=not),act(=do)
inactivate a virus 阻止病毒活动(繁殖)
26. interact (inter相互+act行动,活动,做 + ion 名词后缀→相互动→相互作用)
v.相互作用,相互影响 *inter(=between),act(=do)
27. interaction
n.相互作用,相互影响 *inter(=between),act(=do)
interactive adj.相互作用的/影响的
28. overact
v.行为过火;夸张地表演 *over(excessive),act(=do)
29. radioactive
adj.放射性的 *radio(=ray) ,act(=do)
radioactivate v.使带放射性
radioactivity n.放射能,放射现象
radioactive substance 放射性物质
30. react (re反+act行动,活动,做→反动;反应)
v.(~ to )反应起反应;(~against)反抗;(~on)起反作用;起(化学)反应 *re(=back,again,against),act(=do)
31. reaction (react反应;反抗+ion动作或状态→n.反应, 反作用, 反动[力])
n.反应反作用;倒退,复古;反动 *re(=back,again,against),act(=do)
action and reaction 作用和反作用
32. reactionary
n.反动势力 adj.反动的;复古的 *re(=back,again,against),act(=do),ary(=person who,pertaining to)
33. reactor
n.起反应的人(或物) *re(=back,again,against),-or(表示人或物的名词后缀)
nuclear reactor 核反应堆
34. retroactive
adj.(法律、工资支持等)具有追溯效力的 *retro(=backward),act(=do)
retroactively adv. 有追溯效力地
retroactive to July 11 (追溯至7月11日)
35. transact
v. 处理(事务),执行;交易 trans(=through,change),act(=do)
36. transaction
n.办理,处理;交易;业务;(pl.)(学会等的)议事录;会报
the transaction of business 事务处理
cash transactions 现金交易
37. underact
v.不志力地表演,不充分地表演 *under(=under,inferior),act(=do)
38. act
v. 行动; 表现; 表演; 起作用
n.行动,行为;动作,姿态;机能;诉讼;战斗;行动; 法案,法令; 短节目 (钢琴、枪等的)机械装置
actionable adj.可以提起诉讼的
Actions speak louder than words. 行动比语言更有说服力
take action 采取行动
chemical action 化学作用
civil/criminal action 民事/刑事诉讼
Clear for action !准备作战!
39. acting
adj.代理的,临时的,表演的,表演用的 n.演技;装腔作势 *act(=do)
The Acting President of Harvard University 哈佛大学代理校长
40. active
adj.活动的;有活力的;现行的;在活动中的;主动的 *act(=do)
actively adv.活泼地;活动地
active volcano 活火山
active market 生机勃勃的市场
on active service 现役
active resistance 积极防御
41. activity
n.活动;活跃;(pl.)(某一团体的)活动;活动能力;活力 *act(=do)
school /classroom /outdoor activities 校内活动/教室内活动/室外活动
42. activist
n.(政治运动中的)行动主义者;(政党等的)激进分子 *act(=do)
Republican /Democratic party activist <美>共和党/民主党激进分子(尤其指积极参与地方政党活动,在地区管理及活动中表现活跃的分子)
43. activate
v.使活动;使活化 *act(=do)
44. actual
adj.实际的,事实上的;现实的 *act(=do)
actuality n.现实性;(pl.)现状
actual condition 实际状况
the actual state of Iraq 伊拉克的实际情况
45. actually
adv. 实际上,事实上;(表现强烈或惊讶)竟然,居然,令人意外地;如今 *act(=do)
the political party actually in power 执政党
46. actuary
n.保险精算师 *act(=do)
actuarial adj.(保险统计)精算的
47. actuate
v.激励;开动 *act(=do)
A great statesman is actuated by love of his coutry,not by love of power. 一个伟大的政治家应该在爱国心而非权力欲望的驱使下行动。
48. agitation(开走 ad(=do,drive))
n.动摇,不安;激烈的辩论;煽动;(社会的)混乱
agitate v.使动摇,煽动(ag 动,-it- 中缀(又叫连接词),-ate 动词后缀,使...;“使骚动” -->)
agitator n. 煽动者,鼓动者(同上,-org 后缀,表示人)
agitated adj.激动的;焦虑的(同上,-ed 形容词后缀,...的)
agitating adj.使不安的,使焦虑的(同上,-ing 形容词后缀,使...的)
agitatress n.女鼓动家(同上,-ress 表示女性)
The agitation she feels is due to a run-in she had with a teacher today. 她情绪激动是因为今天与老师进行了一场争论。
词根:tort(tor) = to twist(卷缩)
来自拉丁语的tort 意为to twist,它的变形为tor。
(*拉丁文torquere(=twist) —— 英文根字典)
同源词:
1. distortion(用力拧dis(=intensive) + tort(=twist)
n.曲解,歪曲;变形,扭曲
distort v.歪曲,使变形
distorted adj.歪曲的
What he says is a distortion of the truth. 他的话是对事实的歪曲。
2. extort(扭曲使出来ex(=out) + tort (=twist))
vt. sth + from + sb 敲诈,强求,逼取;强夺,强取
extortion n.强求,强夺;勒索钱财
extortionate adj.勒索的;强求的
The Mafioso extorted money from an old widow to pay her husband's debt. 黑手党成员微个老寡妇勒索钱财以偿还她丈夫的债务。
3. tortuous(扭曲的tort(=twist))
adj.弯曲的,曲折的;不正直的,不坦率的;绕圈子的
My arms are tired from steering along this tortuous mountain road .沿着这条曲折的山路开车,我的胳膊很累。
4. contort
v.扭曲,歪曲(意义)*con<com(=together)
face contorted with pain 因疼痛而扭曲的脸
contort a word out of its ordinary meaning 曲解词义
5. contortion
n.(特指脸、身体的)扭曲,歪曲;扭曲状态 *con<com(=together)
contortionist n.(身体可以自由弯曲的)柔体杂技演员
contortions of an acrobat 杂技演员的软功
6. retort
v.(特指对指责、挑战等)回嘴;反击,报复 n.回嘴,反驳;蒸馏器;曲颈瓶;(提纯水银等使用的)干馏釡 *re(=back)
retort insult for insult 以牙还牙
retort an argument 反驳观点
make an insolent retort 傲慢地回嘴
7. tort
n.侵权行为
8. tortoise
n.陆龟,乌龟
Hare and Tortoise 龟兔赛跑
tortoiseshell 龟甲,鳖甲
9. torture
n.拷问;折磨,痛苦 v.拷问;折磨;歪曲
torturer n.拷打者
torture politics 酷刑政治
instruments of torture 刑具,刑架,拷问工具
tortured with anxiety 困焦虑而备受折磨
10. torch
n.火把,火炬;照明物;(焊接用)喷灯,喷抢
torchlight n.火炬之光
torchlight procession 火炬游行
torch race (古希腊的)火炬接力赛跑
torch of Hymen 爱情
11. torment
n.(身体、精神上的)剧痛;苦恼 v.使痛苦,折磨;烦扰
torments of jealousy 因嫉妒而痛苦
tormented with neuralgia/hunger/mosquitoes 受神经痛的折磨/受饱的折磨/受蚊子的烦扰
12. tornado
n.龙卷风;旋风;飓风
13. torpedo
n.鱼雷,水雷 v.用鱼雷攻击(破坏);使彻底完蛋,破坏(政策、制度等)
torpedo boat 鱼雷艇
torpedo tube 鱼雷发射管
Who torpedoed the Disarmament Conference ? 谁破坏了裁军会议?
词根:plic
plic =fold折,重叠
complicate [com-加强意义,plic重叠,重复→多层,复杂,-ate动词后缀] 使复杂,变复杂;[-ate形容词后缀,…的] 复杂的
complication [见上,-ation名词后缀] 复杂,混乱,纠纷
complicated [见上,-ed形容词后缀,…的] 复杂的,难解的
complicacy [见上,-acy名词后缀] 复杂,复杂性,复杂的事物
explicate [ex-出,plic折叠→包藏→深藏→深度;’揭出深奥之处”,’tk unfold the meaning of”] 解释,说明
explicable [见上,-able形容词后缀,可…的] 可解释的,可说明的
explication [见上,-ation名词后缀] 解释,说明
explicatory [见上,-atory形容词后缀,…的] 解释的,说明的
supplicate [sup-下,plic折,-ate动词后缀;’向下折]→折下腰→弯下身→曲膝而求] 退求,哀求
supplication [见上,-ation名词后缀] 恳求,哀求
supplicatory [见上,-atory形容词后缀,…的] 恳求的,哀求的
implicate [im-=in-内,plic=fold,-ate动词后缀;’to fold in”] 含有…意思;使卷入,使牵连
implication [见上,-ation名词后缀] 含蓄,牵连
duplicate [du双,二,plic重叠,重复,-ate使…] 使成双,复制,复写;[-ate形容词后缀,…的] 二重的,二倍的,复制的;[转为名词] 复制品
duplication [见上,-ation名词后缀] 成双,成倍,复制,复制品
duplicity [见上,-ity表示性质] 二重性,表里不一,口是心非
multiplicate [multi-多,plic重叠,-ate,形容词后缀,…的] 多重的,多倍的,多样的
multiplicity [见上,-ity表示性质] 多重性,多倍,多样,复杂
词根词缀:a-, ab-, abs-
【来源及含义】Latin: prefix; from, away, away from
【相关描述】This prefix is normally used with elements of Latin and French origins (abs- usually joins elements beginning with c, q, or t).
The form ab- is regularly used before all vowels and h; and it becomes a- before the consonants m, p, and v. The prefix apo- has similar meanings.
This list is a very small sample of the multitudes of a-, ab-, abs- prefixes that are available in dictionaries and those in this unit are only meant to present a few examples.
【同源单词】abampere, abampere centimeter squared, abampere per square centimeter, abarticular, abarticulation, abbreviate
词根词缀:a-, an-
【来源及含义】Greek: prefix; no, absence of, without, lack of; not
【相关描述】These prefixes are normally used with elements of Greek origin, a- is used before consonants and an- is used before vowels.
It affects the meanings of hundreds of words.
There are too many words that use these prefix elements to list all of them on this site; however, there are significant examples listed in this and the other units where they exist.
【同源单词】abacterial, abaptism, abarognosis, abasia, abiocoen, abiogenesis
词根词缀:-ability
【来源及含义】Latin: suffix; expressing ability, capacity, fitness, or "that which may be easily handled or managed"
【相关描述】Just a few examples out of hundreds of words presented as the noun forms of -able; forming nouns of quality from, or corresponding to, adjectives in -able; the quality in an agent that makes an action possible. The suffix -ible has related meanings.
【同源单词】absolute permeability, absorbability, accountability, achievability, acquirability, adaptability
词根词缀:-able
【来源及含义】Latin: a suffix; expressing capacity, fitness to do that which can be handled or managed, suitable skills to accomplish something; capable of being done, something which can be finished, etc.
【相关描述】A suffix that forms adjectives. The suffix -ible has related meanings; expressing ability, capacity, fitness; capable of, fit for, able to be done, can be done, inclined to, tending to, given to.
This list is only a small sample of the thousands of -able words that exist in English.
【同源单词】abdicable, -able, abolishable, abominable, abradable, acceptable
词根词缀:-ac
【来源及含义】Greek > Latin: suffix; from French -aque, or directly from Latin -acus, from Greek -akos forming adjectives. This suffix was used to form names of arts and sciences in Greek and it is now generally used to form new names of sciences in English; meanings, "related to, of the nature of, pertaining to, referring to"
【相关描述】The suffix -ic has related elements.
【同源单词】ambrosiac, ammoniac, amnesiac, anaphrodisiac, anthomaniac, antidemoniac
词根词缀:academ-
【来源及含义】Greek > Latin: [originally, Academus/Akademus, a name of a hero in Greek mythology; then it became a gymnasium near Athens where Plato taught]
【相关描述】In the beginning, academy referred to the "olive grove of Academus" or "the groves of Academe". Plato established his school in 387 B.C. Music, philosophy, and literature were taught there. Some accounts say that Plato sat on the ground and taught while resting against the trunk of an olive tree.
Now academies generally exist as private-secondary schools, military institutions; as art, literary, and scientific societies; and institutions in the entertainment world. According to John Ayto, the more general meanings "college, place of training" derive from French.
【同源单词】academe, academia, academic, academical, academician, academicism