apply [əˈplaɪ] vt. 应用；肯求；涂，敷 941
词源：
Late 14c., “join or combine (with); attach (to something), adhere,” from Old French aploiier “apply, use, attach”(12c., Modern French appliquer), from Latin applicare “attach to, join, connect;” figuratively, “devote (oneself) to, give attention,” from ad “to”(see ad-)+plicare “fold”(from PIE root *plek- “to plait”).
The etymological sense is “bring things in contact with one another.” In English, from c. 1400 as “use or employ” something for a certain purpose; “from early 15c. of lotions, plasters, etc.,” place in contact with the body, “also, of one’s mental powers or faculties,” put to work at a task or pursuit. “Meaning” seek a job by submitting an application for one is from 1851. A by-form applicate is recorded from 1530s.
搭配：
apply for (考)：肯求……
apply A to B (考)：将A行使于B
例句：There aren’t many jobs in science for them, so they go to Wall Street and Silicon Valley to apply their analytical skills to more practical—and rewarding—efforts.
在科学边界莫得太多职责给他们，因此他们去到华尔街大致是硅谷去把他们的分析手段行使在愈加实用——报酬也更丰厚——的职责上。
写稿例句：如今，越来越多的数字化产物被用在了东说念主们的平常生涯中。
Nowadays, more and more digital products are applied to people’s daily life.
application [ˌæplɪˈkeɪʃ(ə)n] n. 应用；肯求；敷用；应用步调 1528
助记：
applic (=apply：应用；肯求；敷用；应用步调) +ion (名词性后缀) →应用；肯求；敷用；应用步调
applicant [ˈæplɪk(ə)nt] n. 肯求东说念主，肯求者；请求者 5586
助记：
applic (=apply：肯求) +ant (名词后缀：表“东说念主”) → 肯求东说念主
applied [əˈplaɪd] adj. 实用的；应用的 6561
助记：
apply (应用；肯求；敷用) +ed (描述词性后缀) →实用的；应用的
appliance [əˈplaɪəns] n. 工具；器械；安装 6127
助记：
appli (=apply：用) +ance (名词后缀) →拿来用的东西→工具，器械
搭配：
household appliances (考)：家用电器 (器械)
electrical appliances (考)：电器
后缀 -ance 用法
-ance
word-forming element attached to verbs to form abstract nouns of process or fact (convergence from converge), or of state or quality (absence from absent); ultimately from Latin antia and -entia, which depended on the vowel in the stem word, from PIE *-nt-, adjectival suffix.
As Old French evolved from Latin, these were leveled to-ance, but later French borrowings from Latin (some of them subsequently passed to English) used the appropriate Latin form of the ending, as did words borrowed by English directly from Latin (diligence, absence).
English thus inherited a confused mass of words from French (crescent/croissant), and further confused it since c. 1500 by restoring–ence selectively in some forms of these words to conform with Latin. Thus dependant, but independence, etc.
applicable [əˈplɪkəb(ə)l; ˈæplɪk-] adj. 可应用的；可适用的；允洽的 7731
助记：
applic (=apply：行使) +able→可行使的，可适用的
搭配：
be applicable to sb. / sth. (考)：适用于某东说念主/某物
例句：It is an experience in searching out, understanding and synthesizing, which forms the basis of many skills applicable to both academic and nonacademic tasks.
它是在查找，领略和合成方面的一个教授，这种教授组成了好多技术的基础，可同期适用于学术或非学术任务。
applicability [ˌæplɪkəˈbɪlətɪ] n. 适合性；适用性 17228
助记：
applicable (可应用的；可适用的；允洽的) +ility (名词后缀) → 适合性；适用性
employ [ɪmˈplɒɪ; em-] vt. 使用，取舍；雇佣 1976
助记：
em (=in：进来) +ploy (使用) →招聘 (即：把东说念主拿进来使用)
释义和用法：
If a person or company employs you, they pay you to work for them. 雇用
If you employ certain methods, materials, or expressions, you use them. 使用；取舍
self-employed [ˈselfəmˈplɔid] adj. 自雇的；个体斟酌的；开脱业绩的 14518
unemployed [ʌnɪmˈplɒɪd; -em-] adj. 失业的；未被利用的 6493
unemployment [ʌnɪmˈplɒɪm(ə)nt; -em-] n. 失业；失业东说念主数；失业率 3523
employee [ɪmˈplɔɪi; ˌemplɔɪˈi:] n. 雇员；从业职工 933
employer [ɪmˈplɒɪə; em-] n. 雇主，雇主 2317
employment [ɪmˈplɒɪm(ə)nt; em-] n. 雇用；业绩；使用 2557
exploit [ˈeksplɔɪt; ɪkˈsplɔɪt] vt. 克扣；利用；开荒，开拓 4422
助记：
ex (外，出来) +ploit (=ploy=ply：使用) →用出来→克扣，开荒 (即：把招聘进来的东说念主的价值“用出来”)
释义和用法：
If you say that someone is exploiting you, you think that they are treating you unfairly by using your work or ideas and giving you very little in return. 压榨；克扣；占……的低廉
例句：
Critics claim he exploited black musicians for personal gain.
月旦家宣称他压榨黑东说念主音乐家谋求私利。
释义和用法：
If you exploit something, you use it well, and achieve something or gain an advantage from it. 充分行使；阐述
例句：
Cary is hoping to exploit new opportunities in Europe.
卡里但愿好好利用欧洲的新机遇。
释义和用法：
To exploit resources or raw materials means to develop them and use them for industry or commercial activities. 开采；开荒
例句：
I think we’re being very short sighted in not exploiting our own coal.
我以为不开采咱们我方的煤短长常短视的作念法。
exploitation [eksplɒɪˈteɪʃ(ə)n] n. 克扣；利用；开荒，开采 6994
助记：
exploit (克扣；利用；开荒，开拓) +ation (名词性后缀) → 克扣；利用；开荒，开采
exploited [iksˈplɔitid] adj. 被克扣的；被开荒的；被利用的 20036
助记：
exploit (克扣；利用；开荒，开拓) +ed (描述词性后缀表被迫完成) →被克扣的；被开荒的；被利用的
分袂：explore [ɪkˈsplɔː; ek-] vt. 探伤；探讨；勘探 1603
释义和用法：
If you explore a place, you travel around it to find out what it is like.在……探险；探伤；勘测；测验
例句：
After exploring the old part of town there is a guided tour of the cathedral.
游览完老城区之后，会由导游带队参不雅大教堂。
释义和用法：
If you explore an idea or suggestion, you think about it or comment on it in detail, in order to assess it carefully. 探讨，探求 (不雅点或漠视)
例句：
The secretary is expected to explore ideas for post-war reconstruction of the area.
部长预测将会探讨这个地区战后重建的观点。
释义和用法：
If people explore an area for a substance such as oil or minerals, they study the area and do tests on the land to see whether they can find it. 勘探
例句：
The government is allowing the areas of inshore coastal waters to be explored for oil and gas.
当局允许在近海海域勘探石油和自然气。
exploration [ekspləˈreɪʃ(ə)n] n. 探伤；探讨；勘探 3921
助记：
explore (探伤；探讨；勘探) +ation (名词性后缀) → 探伤；探讨；勘探
explorer [ekˈsplɔːrə(r)] n. 探伤者，探伤器；探险家 7912
助记：
explore (探伤；勘探) +er (表现东说念主或物的名词性后缀) →探伤者，探伤器；探险家
exploratory [ɪkˈsplɒrət(ə)rɪ; ek-] adj. 探究的；勘探的；测验的 10677
助记：
explore (探伤；勘探) +atory (描述词性后缀) → 探究的；勘探的；测验的
unexplored [ʌnɪkˈsplɔːd; ʌnek-] adj. 未勘查过的 18317
助记：
un (狡赖性前缀) +explore (探伤；勘探) +ed (描述词性后缀表被迫完成) →未勘查过的
deploy [dɪˈplɒɪ] vt. 部署，调度（部队或火器）；有用地利用；鼎新 4544
助记：
de (=dis分开) +ploy (=fold：折叠，重合) →把重合的 (部队) 漫步开→部署，鼎新；有用地利用
词源：
1786 as a military word, “extend (troops) in a line, expand (a unit which had been formed in columns),” from French déployer “unroll, unfold,” from Old French desploiier “unfold,” from Latin displicare “unfold, scatter,” from dis- (see dis-)+plicare “to fold”(from PIE root *plek- “to plait”). “In its AFr. form regularly adopted in ME as desplay” [OED]. Figurative use by 1829. Intransitive sense from 1796. Related: Deployed; deploying.
释义和用法：
[动词+名词短语]
(technical) to move soldiers or weapons into a position where they are ready for military action (术语) 部署，调度 (部队或火器)
例句：At least 5 000 missiles were deployed along the border.
沿边境至少部署了5 000枚导弹。
释义和用法：
to use sth effectively 有用地利用；鼎新
举例：
to deploy arguments/resources
利用论据 / 资源
deployment [diːˈplɒɪmənt] n. 调度，部署 6521
助记：
deploy (调度，部署) +ment (名词性后缀) → 调度，部署
complicate [ˈkɒmplɪkeɪt] vt. 使难以领略；使复杂化 6068
词源：
1620s, “to intertwine,” from Latin complicatus “folded together; confused, intricate,” past participle of complicare “to involve,” literally “to fold together,” from com “with, together”(see com-)+plicare “to fold, weave”(from PIE root *plek- “to plait”). Meaning “to make more complex or intricate” is recorded from 1832, from earlier sense “to combine in a complex way”(17c.).
助记：
com (全部) +plic (折叠) +ate (动词后缀) →全部相通到一说念→ (变) 复杂；难以领略
释义和用法：
To complicate something means to make it more difficult to understand or deal with. 使难以领略；使复杂化
例句：The day’s events, he said, would only complicate the task of the peacekeeping forces.
他说日间发生的事件只会使维和部队的任务更为复杂。
complicated [ˈkɒmplɪkeɪtɪd] adj. 难解的，复杂的 2775
助记：
com (全部) +plic (折叠) +ated (描述词后缀：的) →全部相通到一说念的→复杂的
uncomplicated [ʌnˈkɑmpləˈketɪd] adj. 浅薄的；不复杂的 18538
助记：
un (狡赖性前缀) +complicate (使难以领略；使复杂化) +ed (描述词性后缀) → 浅薄的；不复杂的
complication [kɒmplɪˈkeɪʃ(ə)n] n. 使复杂化的难题（或难题）；[医]并发症 5055
助记：
complicate (使难以领略；使复杂化) +ion (名词性后缀) →使复杂化的难题 (或难题)
释义和用法：
A complication is a problem or difficulty that makes a situation harder to deal with. 使复杂化的难题 (或难题)
例句：The age difference was a complication to the relationship.
年齿互异使得两边走动愈加难题。
释义和用法：
A complication is a medical problem that occurs as a result of another illness or disease. 并发症
例句：
He died of complications from a heart attack.
他死于腹黑病发作引起的并发症。
complex [ˈkɒmpleks] adj. 复杂的 n. 抽象建筑群；情节 1607
助记：
com (全部) +plex (编制，折叠) → 全部编织/折叠在一说念→复杂的
释义和用法：
Something that is complex has many different parts, and is therefore often difficult to understand. 复杂的；错综的
举例：
in-depth coverage of today’s complex issues对时下一些复杂问题的深度报说念
释义和用法：
A complex is a group of buildings designed for a particular purpose, or one large building divided into several smaller areas. 抽象建筑群；抽象大楼
举例：
plans for constructing a new stadium and leisure complex
修建新清楚场和悠闲中心的打算
释义和用法：
If someone has a complex about something, they have a mental or emotional problem relating to it, often because of an unpleasant experience in the past. (频频指由于夙昔不惬心的履历而酿成的) 情结
例句：
I have never had a complex about my height.
我从来莫得记念过我方的身高。
complexity [kəmˈpleksətɪ] n. 复杂，复杂性；复杂错综的事物 3796
助记：
complex (复杂的) +ity (名词性后缀) → 复杂，复杂性；复杂错综的事物
complexion [kəmˈplekʃ(ə)n] n. 性质；特点；面色；肤色 10640
助记：
com (一说念) +plex (重合) +ion (名词后缀) →指躯壳里的体液等合到一说念，从影响到一个东说念主的脾气；而中叶界的生理学以为，一个东说念主的面色能体现其脾气和健康现象，故而引出“面色，肤色”之意
词源：
The Middle English sense is from the old medicine notion of bodily constitution or general nature resulting from blending of the four primary qualities (hot, cold, dry, moist) or humors (blood, phlegm, choler, black choler). The specific meaning “color or hue of the skin of the face” developed by mid-15c. In medieval physiology, the color of the face was believed to indicate temperament or health. The word rarely is used in the sense of “state of being complex.”
perplex [pəˈpleks] vt. 使困惑，使为难；使复杂化 15957
助记：
per (透彻，集合，皆备) +plex (折叠) →全部相通到一说念→使……变复杂，使……困惑
perplexed [pəˈplekst] adj. 困惑的；不知所措的 19725
助记：
perplex (使困惑，使为难；使复杂化)+ed (描述词性后缀：表现东说念主困惑的，不知所措的状态) → 困惑的；不知所措的
perplexing [pəˈpleksɪŋ] adj. 令东说念主困惑的；复杂的，令东说念主笼统的 17444
助记：
perplex (使困惑，使为难；使复杂化)+ing (描述词性后缀：表现事物令东说念主困惑的，笼统的) → 令东说念主困惑的；复杂的，令东说念主笼统的
duplex [ˈdjuːpleks] adj. 二倍的，双重的 19256
助记：
du (=two 两个，双) +plex (折叠；重合；倍) →二倍的，双重的
duplicate [ˈdjuːplɪkeɪt] vt. 复制；使加倍 9442
助记：
du (=two 两个，双) +plic (倍) → 使成两倍 → 复制；使加倍
duplication [djuːplɪˈkeɪʃn] n. 复制；副本；成倍 17302
助记：
duplicate (复制；使加倍) +ion (名词性后缀) → 复制；副本；成倍
multiply [ˈmʌltɪplaɪ] vt. 乘；使相乘；使加多；使养殖 6239
助记：
multi (=many：多；n，l音似) +ply (=ple：折，倍) →多 (折) 倍→使相乘 (即：变成“多倍”)
搭配：
satisfy the multiplying wants of their citizens (考)：餍足市民成倍的需求
multiple [ˈmʌltɪpl] adj. 各样的；许多的；多重的 1962
助记：
multi (多) +ple (倍；重) →多各样种的，多重的
搭配：
multiple roles (考)：多重脚色
multitude [ˈmʌltɪtjuːd] n. 大家；多数 8598
助记：
multi (多，大) +tude (名词后缀) →遍及，稠密
搭配：
multitudes of premiums (考)：稠密奖励
multitudes of messages (考)：遍及信息
例句：A multitude of factors, both inherited and environmental, influence the development of health-related behaviors, and it is beyond the scope of this text to discuss all these factors as they may affect any given individual.
遍及的身分，包括遗传的和环境的，都影响力与健康干系的行动的发展，但盘考这些依然超越了本文的范围，因为他们可能会影响任何一个个体。
仿写例句：遍及的身分，包括遗传的和环境的，都会影响学生的心情健康。
A multitude of factors, both inherited and environmental, influence a student’s psychological health.
前缀 multi- 表现“多；多倍”
词源：
Before vowels mult-, word-forming element meaning “many, many times, much,” from combining form of Latin multus “much, many,” from PIE *ml-to-, from root *mel-(2) “strong, great, numerous.” It was much-used in forming Latin compounds in classical times and after (such as multianimis “having much courage,” multibibus “much-drinking,” multicomus “having much hair,” multiloquus “talkative”). Many English words that use it (multinational, etc.) are 20c. coinages.
multicultural [mʌltɪˈkʌltʃ(ə)r(ə)l] adj. 会通或具有多种文化的；多种文化的 6903
multiculturalism [ˌmʌltɪˈkʌltʃərəlɪzm] n. 多元文化论 11351
multiethnic [ˌmʌltiˈeθnik] adj. 多种民族的 14690
multilateral [mʌltɪˈlæt(ə)r(ə)l] adj. 多国的；多边的 9540
multimedia [ˈmʌltɪmiːdɪə] n. 多媒体 7499
multimillionaire [ˌmʌltɪmɪljəˈneə] n. 大富豪 18358
multinational [mʌltɪˈnæʃ(ə)n(ə)l] adj. 多国的；跨国公司的 7844
multiparty [mʌltɪˈpɑːtɪ] adj. 多党的；包括多党的 15398
multiplication [ˌmʌltɪplɪˈkeɪʃ(ə)n] n. 乘法；加多 17173
multiplicity [ˌmʌltɪˈplɪsɪtɪ] n. 各样性；多重性 14888
multipurpose [mʌltɪˈpɝpəs] adj. 多用途的；多功能的 19397
multiracial [ˈmʌltɪˈreʃəl] adj. 多民族的 16776
multivariate [ˌmʌltɪˈveərɪət] adj. 多元的，多变量的 12784
flexible [ˈfleksɪb(ə)l] adj. 纯确切；柔韧的；易盘曲的 4267
助记：
flex (=bend：盘曲) +ible (容易) →容易盘曲的→纯确切，易盘曲的
词源：
Early 15c., “capable of being bent; mentally or spiritually pliant,” from Middle French flexible or directly from Latin flexibilis “that may be bent, pliant, flexible, yielding;” figuratively “tractable, inconstant,” from flex-, past participle stem of flectere “to bend,” which is of uncertain origin. Flexile (1630s) and flexive (1620s) have become rare. Related: Flexibly. Coles’ dictionary (1717) has flexiloquent “speaking words of doubtful or double meaning.”
flexibility [ˌfleksɪˈbɪlɪtɪ] n. 弹性；适合性；纯真性 4368
助记：
flexib (=flexible：纯确切) +ility (名词后缀) →纯真性；弹性
inflexible [ɪnˈfleksɪb(ə)l] adj. 鉴定的；不可盘曲的；不服挠的；弗成振荡的 17838
reflect [rɪˈflekt] vt. 反射，照出；反省；反应 1007
助记：
re (复返，反) +flect (=bend：盘曲；弯折) → (光等) 盘曲且归→反射，反应，反省
搭配：
reflect on (考)：仔细想考，反省
写稿例句：直到不迁都临的期间，东说念主们才会运行反省我方的一言一行关于环境而言产生了何等严重的影响。
Not until a disaster falls do human beings get to reflect on their behaviors which hurt the environment so badly.
reflected [rɪˈflektɪd] adj. 反射的；得自他东说念主的 15526
reflection [rɪˈflekʃ(ə)n] n. 反射；映象；千里想 2780
词源：
Late 14c., reflexion, in reference to surfaces throwing back light or heat, from Late Latin reflexionem (nominative reflexio) “a reflection,” literally “a bending back,” noun of action from past participle stem of Latin reflectere “to bend back, bend backwards, turn away,” from re- “back”(see re-)+flectere “to bend”(see flexible). Of the mind, from 1670s. Meaning “remark made after turning back one’s thought on some subject” is from 1640s. Spelling with -ct- recorded from late 14c., established 18c., by influence of the verb.
例句：Most education system neglect exploration, understanding and reflection.
大多数的老师体制忽视了探究，领略和反想。
reflective [rɪˈflektɪv] adj. 千里想的；反射的；反应的 6963
释义和用法：
If you are reflective, you are thinking deeply about something. 千里想的；深想的
A reflective surface or material sends back light or heat. 反射的；反光的
reflector [rɪˈflektə] n. 反射物，反射镜 13242
triple [ˈtripl] adj. 三倍的 v.（使）成三倍
助记：
tri (=three：读音相似，e→i是最合理的变化) +ple (倍，折) →三倍的；成三倍
display [dɪˈspleɪ] vt. 展览；展现；自大 n. 展览；扮演 2207
助记：
dis (=apart：分开) +play (=ply：折叠) → 把相通的东西分开 (给东说念主看) →展示，自大
释义和用法：
If you display something that you want people to see, you put it in a particular place, so that people can see it easily. 展览；成列
例句：
The cabinets display seventeenth-century blue-and-white porcelain.
展柜中成列着17世纪的青花瓷。
释义和用法：
If you display something, you show it to people. 展现；展示
例句：
The chart can then display the links connecting these groups.
这张图就会自大出这些群体之间的关联。
释义和用法：
If you display a characteristic, quality, or emotion, you behave in a way which shows that you have it. 自大，泄漏，阐扬 (特点或豪情)
例句：
He has displayed remarkable courage in his efforts to reform the party.
在政党矫正中，他阐扬出了特出的勇气。
释义和用法：
A display is an arrangement of things that have been put in a particular place, so that people can see them easily. 展示；展览；成列
例句：
She was leaning against a display case of prints of Paris.
她正倚靠在一个展示巴黎像片的成列柜上。
释义和用法：
A display is a public performance or other event which is intended to entertain people. 扮演
举例：
the firework display 炊火扮演
comply [kəmˈplaɪ] vi. 答理；降服；驯从，笃信 4689
助记：
com (加强口吻) +ply (重合) →服从，笃信 (即：和别东说念主的行动“重合，一致”)
搭配：
comply with (考)：与……重合，降服
写稿例句：不论一个东说念主的个性有何等的卓尔不群，一朝插足到职场中，他就必须笃信该行业的端正。
No matter how distinctive a person’s character may be, once he enters into the workplace, he must comply with the norms of the industry.
compliance [kəmˈplaɪəns] n. 驯从，服从；承诺 4599
助记：
compli (服从，驯从) +ance (名词后缀) →驯从，服从
compliant [kəmˈplaɪənt] adj. 驯从的；快乐的；服从的 15653
助记：
compli (驯从) +ant (描述词后缀) →驯从的；服从的
unfold [ʌnˈfəʊld] vt. 绽开；呈现 4590
助记：
un (表狡赖) +fold (重合，折叠；) →不折叠→绽开，展现，泄漏
imply [ɪmˈplaɪ] vt. 表现；意味；隐含 2819
助记：
im (=in：内部) +ply (=fold：折叠) →折叠在内部 (不泄漏在名义) 的含义→依期；隐含
implication [ɪmplɪˈkeɪʃ(ə)n] n. 表现；含义；可能激勉的效率 2456
搭配：
profound implications (考)：深入的好奇神往好奇神往
implicate [ˈɪmplɪkeɪt] vt. 使触及到；使牵累其中；含有……的好奇神往好奇神往 7846
词源：
Early 15c., “to convey (truth) in a fable,” from Latin implicatus, past participle of implicare “to involve, entwine, entangle, embrace,” from assimilated form of in- “into, in, on, upon”(from PIE root *en “in”)+plicare “to fold”(from PIE root *plek- “to plait”). From c. 1600 as “intertwine, wreathe.” Meaning “involve (someone) in a crime, charge, etc.; show (someone) to be involved” is from 1797.
助记：
im (=in：内部) +plic (折叠) +ate (动词后缀) →使 (某东说念主) 折到内部去了→使触及到；使牵累其中
implicit [ɪmˈplɪsɪt] adj. 表现的；盲从的；含蓄的 6842
助记：
impli (=imply：表现) +it (描述词后缀) →表现的；含蓄的
词源：
1590s, “implied, resting on inference,” from Middle French implicite and directly from Latin implicitus, later variant of implicatus “entangled, confused, involved,” past participle of implicare “entangle, involve,” from assimilated form of in- “into, in, on, upon”(from PIE root *en “in”)+plicare “to fold”(from PIE root *plek- “to plait”). From c. 1600 as “resulting from perfect confidence (in authority), unquestioning”(especially of faith).
助记：
implic (=imply：表现) →表现的，含蓄的 (不径直抒发的)，内含的
搭配：
implicit bias (考)：隐含的偏见
implicitly [ɪmˈplɪsɪtlɪ] adv. 含蓄地；黢黑地 9879
explicit [ɪkˈsplɪsɪt; ek-] adj. 明晰的；明确的；质直的；胪陈的 4878
助记：
explicit为implicit的反义词，故翻译为“明晰的；明确的；质直的”
例句：
The United States does have one explicit family policy, the Family and Medical Leave Act, passed in 1993.
好意思国照实有一个明确的家庭策略——家庭和病假公法，该公法在1993年通过。
explicitly [ɪkˈsplɪsɪtli] adv. 明确地；显明地 5285
inexplicable [ˌɪnɪkˈsplɪkəb(ə)l; ˌɪnek-; ɪnˈeksplɪ-] adj. 无法证据的；笼统的；弗成讲明 13405
助记：
in (违犯) +explic (明晰的，明确的) +able (不错) →不不错明晰明确说出来的→无法证据的，弗成讲明的，笼统的
inexplicably [ɪnˈɛksplɪkəbli] adv. 无法证据地；难以领略地 15246
reply [rɪˈplaɪ] vi. 回答；顽抗；答辩 n. 回复；覆信 2239
词源：
Late 14c., “to make an answer,” from Old French replier “to reply, turn back,” from Late Latin replicare “to reply, repeat,” in classical Latin “fold back, fold over, bend back,” from re- “back, again”(see re-)+plicare “to fold”(from PIE root *plek- “to plait”). Latin literal sense of “to fold back” is attested from mid-15c. in English but is not now used. Modern French répliquer (Middle French replier) is directly from Late Latin.
助记：
re (讲求) +ply (折) →折讲求的东西→回复；回复；覆信
replica [ˈreplɪkə] n. 复成品，复制物 9477
replicate [ˈreplɪkeɪt] vt. 复制；重作念；复现 6727
助记：
re (又，再) +plic (=fold：重合) +ate (东西后缀) →重复 (别东说念主的) 再作念一次→复制；复现；重作念
replication [replɪˈkeɪʃ(ə)n] n. 复制；重作念；复现 13330
助记：
replicat (复制；复现) +ion (名词后缀) →复制；复现；重作念高难度词汇：
ply [plaɪ] vt. 使用，不住地使用；折，弯；从事 13573
plywood [ˈplaɪwʊd] n. 夹板，胶合板 9126
ploy [plɒɪ] n. 策略；行动；职责 11775
词源：
1722, “anything with which one amuses oneself,” Scottish and northern England dialect, possibly a shortened form of employ or deploy. Popularized in the sense “move or gambit made to gain advantage” by British humorist Stephen Potter (1900-1969).
complicity [kəmˈplɪsɪtɪ] n. 共谋；衔尾；共犯关系 13997
助记：
com (一说念，共同) +plic (=fold：折叠；重合) → (几个东说念主) 合到一说念→共谋；衔尾
flex [fleks] vt. 折曲；伸曲；使松开 9035
词源：
1520s, “to bend,” usually of muscles, probably a back-formation from flexible.
释义和用法：
If you flex your muscles or parts of your body, you bend, move, or stretch them for a short time in order to exercise them. 行动，屈伸 (肌肉或躯壳某一部分)
例句：He slowly flexed his muscles and tried to stand.
他逐形式行动了一下肌肉，想尽量站起来。
flexion [ˈflekʃ(ə)n] n. 盘曲 19916
inflection [ɪnˈflekʃ(ə)n] n. 盘曲，变形；调子变化 17004
助记：
in (向内) +flect (=bend：弯) +ion (名词后缀) →向内弯→盘曲；变形；调子变化
释义和用法：
If a word inflects, its ending (扫尾) or form changes in order to show. Its grammatical function (语法功能). If a language inflects, it has words in it that inflect. (词形，说话) 有屈折变化
reflex [ˈriːfleks] n. 反射；反应；条款反射 10511
释义和用法：
A reflex or a reflex action is something that you do automatically (自动地)
and without thinking, as a habit or as a reaction to something. 本能反应；习尚性行为
A reflex or a reflex action is a normal, uncontrollable reaction (无法罢了的反应) of your body to something that you feel, see, or experience. 条款反射；反射性行为
reflexively [rɪˈflektɪvlɪ] adv. 条款反射式地 20063
splay [spleɪ] vt. 展开；展开 17555
助记：
splay是display的简写版，dis (违犯) +play (折叠，重合) →把折叠/合在一说念的东西变得违犯→展开；展开
downplay [daʊnˈpleɪ] vt. 不予爱重；将……蜻蜓点水 10142
助记：
down (低) +play (演奏) →原指音乐或戏剧里演奏低千里的部分→蜻蜓点水， (膨大为) 不爱重
interplay [ˈɪntəpleɪ] n. 互相影响，互相作用 12098
助记：
inter (相互间) +play (影响) →相互间影响→互相影响，互相作用
deflect [dɪˈflekt] vt. 使偏私；使转向；使盘曲 9812
助记：
de (=away：远隔) +flect (=bend：弯) →弯了偏离 (正轨) →使偏私；使转
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