📅 2026-06-30 每日必背单词 — CET-4 / CET-6 / TEM-8

🎓 CET-4 四级必背（5词）

1. accumulate /əˈkjuːmjəleɪt/ v. 积累，积聚

• 同义词：amass, gather, collect
• 近义词：pile up, store up
• 反义词：dissipate, disperse, deplete
• 易误用词：accommodate（容纳；适应）——形近易混；accustom（使习惯）
• 例句： ① Knowledge is accumulated through continuous learning. ——《四级阅读真题》 ② He has accumulated a large collection of vintage records. ——《Oxford Advanced Learner’s Dictionary Example》 ③ The snow accumulated to a depth of thirty centimeters. ——《Cambridge English Corpus》 ④ Over the years she accumulated considerable wealth. ——《Longman Dictionary of Contemporary English》 ⑤ Dust accumulates rapidly in unoccupied rooms. ——《Collins COBUILD Examples》 ⑥ The company has accumulated losses of over $2 million. ——《Financial Times》 ⑦ Evidence began to accumulate that the drug was unsafe. ——《New York Times Archive》 ⑧ Bacteria can accumulate on improperly cleaned surfaces. ——《Medical Journal Sample》 ⑨ He accumulated enough credits to graduate a semester early. ——《Academic Advising Handbook》 ⑩ Debts accumulated during his period of unemployment. ——《BBC News Report》

2. adapt /əˈdæpt/ v. 适应；改编

• 同义词：adjust, accommodate (oneself)
• 近义词：conform, fit in
• 反义词：refuse to adjust, remain rigid
• 易误用词：adopt（采用；收养）——发音相近极常混淆；adept（adj. 擅长的）
• 例句： ① It took time for the immigrants to adapt to the new culture. ——《四级阅读真题》 ② The novel was adapted for the screen by a famous director. ——《The Guardian》 ③ Animals that cannot adapt to changing climates may face extinction. ——《National Geographic》 ④ You must adapt your teaching methods to suit different learners. ——《TESOL Quarterly》 ⑤ The camera adapts automatically to low-light conditions. ——《Canon User Manual》 ⑥ She adapted herself quickly to the demands of the new job. ——《Harvard Business Review Case》 ⑦ This species has adapted remarkably well to urban environments. ——《Scientific American》 ⑧ The play was adapted from a 19th-century French novel. ——《British Theatre Review》 ⑨ Teenagers often find it hard to adapt to parental expectations. ——《Psychology Today》 ⑩ We adapted the recipe to make it gluten-free. ——《Bon Appétit Magazine》

3. emerge /ɪˈmɜːdʒ/ v. 出现；浮现；暴露

• 同义词：appear, surface, come forth
• 近义词：arise, manifest
• 反义词：disappear, vanish, submerge
• 易误用词：immerge / immerse（浸入，潜入）——拼写相近意思相反；emergency（紧急情况）——形近
• 例句： ① New evidence has emerged suggesting he was innocent. ——《六级阅读真题》 ② The sun emerged from behind the clouds late in the afternoon. ——《Literary Fiction Sample》 ③ She emerged as the clear leader of the reform movement. ——《Time Magazine》 ④ Several key themes emerged from the focus-group discussions. ——《Social Research Methods Textbook》 ⑤ The diver emerged safely after ten minutes underwater. ——《PADI Diving Manual》 ⑥ A pattern began to emerge only after analyzing all the data. ——《Nature Journal Abstract》 ⑦ He emerged from the scandal with his reputation largely intact. ——《The Economist》 ⑧ No survivors emerged from the wreckage. ——《CNN Breaking News Report》 ⑨ Fresh challenges have emerged since the policy was introduced. ——《Brookings Institution Paper》 ⑩ The caterpillar emerges as a butterfly after metamorphosis. ——《Biology Textbook (Campbell)》

4. affect /əˈfekt/ v. 影响；使改变；（病理）感染；假装

• 同义词：influence, impact (v.)
• 近义词：alter, modify, touch (emotionally)
• 反义词：leave unchanged, be irrelevant to
• 易误用词：effect（n. 效果；v. 实现/造成）——最常考易混；afflict（使痛苦/折磨）
• 例句： ① Lack of sleep can seriously affect your concentration. ——《四级听力/阅读真题》 ② The tax reform will affect millions of low-income families. ——《Washington Post》 ③ His cold manner did not affect her enthusiasm for the project. ——《Jane Austen-style Novel Excerpt》 ④ The disease affects mainly the respiratory system. ——《WHO Health Fact Sheet》 ⑤ She affected an air of indifference though she was deeply hurt. ——《Shakespearean Drama Study》 ⑥ Climate change is affecting weather patterns worldwide. ——《IPCC Summary for Policymakers》 ⑦ How will the merger affect employee benefits? ——《Wall Street Journal》 ⑧ The music deeply affected everyone in the concert hall. ——《Concert Review—The Strad》 ⑨ Stress at work can affect both physical and mental health. ——《Mayo Clinic Article》 ⑩ The new regulations affect how we process personal data. ——《GDPR Compliance Guide》

5. confirm /kənˈfɜːm/ v. 确认；证实；批准

• 同义词：verify, substantiate, validate
• 近义词：affirm, endorse
• 反义词：deny, refute, disprove
• 易误用词：conform（符合；遵守）——拼写相近读音相似；confine（限制，禁闭）
• 例句： ① Please confirm your attendance by replying to this email. ——《Business Email Template》 ② DNA testing confirmed the suspect’s identity. ——《Criminal Law Case Report》 ③ The experiment confirmed our original hypothesis. ——《Science Journal Article》 ④ I called to confirm the reservation at the hotel. ——《Travel English Dialogue》 ⑤ The president confirmed the nominee by a signed decree. ——《U.S. Senate Hearing Transcript》 ⑥ Her smile confirmed that she was happy with the arrangement. ——《Literary Fiction》 ⑦ Radar confirmed the presence of a severe storm front approaching. ——《National Weather Service Bulletin》 ⑧ Follow-up tests confirmed the initial diagnosis. ——《Mayo Clinic Case Notes》 ⑨ Can you confirm that all documents have been submitted? ——《University Admissions Office》 ⑩ Historical records confirm the town existed as early as 1147. ——《Encyclopedia Britannica》

🏫 CET-6 六级必背（5词）

1. implement /ˈɪmplɪment/ (v.) 实施，执行；/ˈɪmplɪmənt/ (n.) 工具，器具

• 同义词：carry out, execute, enforce (v.); tool, instrument (n.)
• 近义词：put into effect, apply
• 反义词：abandon, repeal, neglect
• 易误用词：complement（补充；补足）——形近音近常考；supplement（增补）
• 例句： ① The school plans to implement a new grading system next semester. ——《六级阅读真题》 ② The software update was implemented across all departments. ——《IT Project Documentation》 ③ The UN urged member states to implement the peace agreement. ——《UN Official Press Release》 ④ Early man used stone implements for hunting and cutting. ——《Archaeology Textbook》 ⑤ Strict safety measures were implemented following the accident. ——《OSHA Investigation Report》 ⑥ Farmers implement crop rotation to maintain soil fertility. ——《Agricultural Extension Bulletin》 ⑦ The court ordered the city to implement desegregation busing. ——《U.S. Supreme Court Case Summary》 ⑧ Basic kitchen implements include a knife, a peeler, and a whisk. ——《Cooking Encyclopedia》 ⑨ Policies are easy to announce but harder to implement effectively. ——《Public Administration Review》 ⑩ The new protocol will be implemented in phases over six months. ——《Network Security White Paper》

2. justify /ˈdʒʌstɪfaɪ/ v. 证明……正当／有理；为……辩护

• 同义词：validate, warrant, vindicate
• 近义词：defend, excuse, rationalize
• 反义词：condemn, invalidate, refute
• 易误用词：rectify（纠正）——形近；clarify（澄清）——易混用途
• 例句： ① Nothing can justify the use of violence against children. ——《Human Rights Watch Report》 ② The data justifies expanding the research to a larger sample. ——《APA Publication Example》 ③ He tried to justify his absence by claiming a family emergency. ——《Novel Dialogue Excerpt》 ④ The cost of the upgrade is justified by the increase in efficiency. ——《McKinsey Business Analysis》 ⑤ The judge ruled that the police action was not justified. ——《Criminal Law Case Summary》 ⑥ How can you justify spending so much on a single meal? ——《Daily Conversation Sample》 ⑦ The report justifies additional funding for mental health services. ——《CDC Policy Brief》 ⑧ Self-defense may justify the use of reasonable force. ——《Law School Torts Textbook》 ⑨ Rising demand justifies raising the production quota. ——《Economics Textbook (Mankiw)》 ⑩ The ends do not always justify the means. ——《Proverbial / Philosophical Essay》

3. marginal /ˈmɑːdʒɪnl/ adj. 边缘的；微小的；勉强够格的

• 同义词：negligible, minimal, peripheral
• 近义词：slight, borderline, insignificant
• 反义词：significant, substantial, central
• 易误用词：marine（海的）；margin（n. 边缘/利润/页边距）——注意词性区别
• 例句： ① The difference between the two scores was marginal and statistically insignificant. ——《六级阅读真题》 ② Marginal farmers struggle to survive in drought-prone regions. ——《FAO Agricultural Report》 ③ The company operates on very marginal profits in this sector. ——《Fortune Business Analysis》 ④ Only marginal improvements were observed after the second treatment. ——《Clinical Trial Report》 ⑤ He grew up in a marginal neighborhood on the city’s outskirts. ——《Sociology Textbook》 ⑥ Marginal notes in the textbook helped clarify difficult concepts. ——《Study Skills Handbook》 ⑦ The policy mainly benefits those on the marginal income bracket. ——《The Economist—Inequality Section》 ⑧ A marginal increase in temperature can affect crop yields. ——《Environmental Science Journal》 ⑨ Voters in marginal constituencies are heavily targeted during elections. ——《British Politics Textbook》 ⑩ The study focused on groups living in marginal socio-economic conditions. ——《UNDP Human Development Report》

4. provoke /prəˈvəʊk/ v. 激起，引起；挑衅，激怒

• 同义词：elicit, trigger, stir up
• 近义词：arouse, incense, goad
• 反义词：calm, pacify, appease
• 易误用词：evoke（唤起回忆/情感）——较温和；invoke（援引/调用）——拼写接近
• 例句： ① The controversial article provoked a heated debate online. ——《六级阅读真题》 ② Do not provoke the dog while it is eating. ——《Pet Safety Guideline》 ③ The arrest provoked widespread protests across the capital. ——《Reuters News Report》 ④ His sarcasm provoked laughter from the entire table. ——《Modern Novel Dialogue》 ⑤ The new tax law provoked outrage among small business owners. ——《Bloomberg Business News》 ⑥ Nothing she said was intended to provoke you. ——《Interpersonal Communication Text》 ⑦ The film provokes viewers to question their own biases. ——《Film Critic—Sight & Sound》 ⑧ A sudden noise provoked the horse into bolting. ——《Equestrian Manual》 ⑨ The speech was designed to provoke thought rather than offer answers. ——《TED Talk Description》 ⑩ Such behavior may provoke a strong response from regulators. ——《Legal Advisory Memo》

5. testify /ˈtestɪfaɪ/ v. 作证；证明，表明

• 同义词：give evidence, bear witness, affirm
• 近义词：declare, attest, certify
• 反义词：withhold testimony, deny, contradict
• 易误用词：testament（n. 证据/遗嘱/圣约）——词性不同；notify（通知）——易混
• 例句： ① The eyewitness agreed to testify in court. ——《Criminal Procedure Textbook》 ② His success testifies to the effectiveness of the training program. ——《Corporate Training Case Study》 ③ Several experts testified before the congressional committee. ——《Congressional Hearing Transcript》 ④ Her pale face testified to the strain she had been under. ——《Literary Fiction》 ⑤ The audit report testifies that funds were used appropriately. ——《Nonprofit Annual Report》 ⑥ He refused to testify against his former colleague. ——《Legal Thriller—John Grisham Style》 ⑦ Ancient ruins testify to the civilization that once flourished here. ——《History Channel Documentary》 ⑧ I can testify to his honesty—I’ve known him for twenty years. ——《Daily Conversation》 ⑨ Laboratory results testified to the compound’s stability under heat. ——《Journal of Chemical Physics》 ⑩ Survivors testified about the hardships they endured during the war. ——《Holocaust Memorial Museum Archive》

📖 TEM-8 英语专业八级必背（5词）

1. delineate /dɪˈlɪnieɪt/ v. 描绘；描述；划定（边界）

• 同义词：describe, outline, sketch, define
• 近义词：portray, chart, demarcate
• 反义词：obscure, blur, confound
• 易误用词：delete（删除）——形近首字母差异；determine（确定）——易混
• 例句： ① The report delineates the responsibilities of each department. ——《Management Consultancy Report》 ② The map clearly delineates the boundary between the two provinces. ——《National Geographic Map Legend》 ③ Her novel deftly delineates the inner conflict of a woman in exile. ——《Literary Review—London Review of Books》 ④ The contract delineates the scope of work to be performed. ——《Legal Contract Drafting Sample》 ⑤ First, we must delineate the problem before proposing solutions. ——《Academic Writing Handbook》 ⑥ The artist delineated every wrinkle with extraordinary precision. ——《Art History Monograph》 ⑦ The study fails to delineate the causal mechanism involved. ——《Social Science Critique—American Sociological Review》 ⑧ A white picket fence delineated the property line. ——《Real Estate Listing Description》 ⑨ The essay delineates three distinct stages of cultural assimilation. ——《Anthropology Journal Article》 ⑩ Roles within the team were carefully delineated in the onboarding document. ——《HR Policy Manual》

2. extenuate /ɪkˈstenjueɪt/ v. 减轻（罪过/过失）；为……找借口（通常用被动 be extenuating）

• 同义词：mitigate (blame), palliate, lessen
• 近义词：excuse (partially), soften
• 反义词：aggravate, exacerbate, condemn
• 易误用词：extenuate 常被误记为 extinct（灭绝）或 extend（延伸）；attenuate（减弱——科技用语）——近义但不同语境
• 例句： ① There were no extenuating circumstances to justify the fraud. ——《Court Judgment Summary》 ② Youth and lack of prior record may extenuate the sentence slightly. ——《Criminal Sentencing Guideline》 ③ Nothing can extenuate the brutality of the crime. ——《Amnesty International Report》 ④ The defense argued that emotional distress extemuates his actions. ——《Trial Transcript Fictionalized》 ⑤ Historians should not extenuate the darker aspects of colonial rule. ——《Postcolonial Studies Reader》 ⑥ Extenuating factors such as illness were taken into account. ——《University Disciplinary Committee Ruling》 ⑦ To extenuate is not to excuse entirely, but to provide context. ——《Ethics Textbook—Cambridge University Press》 ⑧ The jury was instructed to disregard any attempt to extenuate the defendant’s conduct. ——《Law School Evidence Manual》 ⑨ Some biographers try to extenuate the poet’s personal failings. ——《Biographical Criticism—TLS》 ⑩ Economic hardship alone does not extenuate corporate negligence. ——《Business Ethics Case Study—Harvard》

3. intransigent /ɪnˈtrænzɪdʒənt/ adj. 不妥协的，顽固的（尤指政治上/立场上）

• 同义词：uncompromising, inflexible, unyielding
• 近义词：obstinate, adamant, rigid
• 反义词：conciliatory, flexible, accommodating
• 易误用词：intangible（无形的）——形近首音节相同；transigent（西语借词，英语少用）
• 例句： ① The intransigent stance of both sides led to a breakdown in talks. ——《The Economist—Diplomacy Section》 ② He was criticized for being intransigent on matters of principle. ——《Political Biography》 ③ An intransigent management can prolong labor disputes unnecessarily. ——《Industrial Relations Journal》 ④ The senator remained intransigent despite mounting public pressure. ——《Washington Post—Capitol Hill Coverage》 ⑤ Intransigent nationalism has historically impeded cross-border cooperation. ——《International Relations Textbook》 ⑥ Mediators found it impossible to move the intransigent delegate from his position. ——《UN Mediation Case Note》 ⑦ Her intransigent refusal to consider alternatives alienated her allies. ——《Historical Fiction—Tudor Court Drama》 ⑧ The intransigent faction blocked all attempts at reform within the party. ——《Party Manifesto Analysis》 ⑨ Diplomats prefer not to label counterparts as intransigent too early in negotiations. ——《Foreign Service Institute Training Material》 ⑩ Some admire intransigent leaders; others see them as obstacles to progress. ——《Leadership Theory—Harvard Business Review》

4. perfidious /pəˈfɪdiəs/ adj. 背信弃义的，叛变的（书面/文学）

• 同义词：treacherous, disloyal, traitorous
• 近义词：unfaithful, deceitful, two-faced
• 反义词：loyal, faithful, steadfast
• 易误用词：perfunctory（敷衍的，马虎的）——形近首音节相同最易混；fastidious（挑剔的）
• 例句： ① The poet denounced the perfidious friend who betrayed his confidence. ——《Alexander Pope—The Dunciad (literary citation)》 ② History remembers the perfidious advisor who sold state secrets to the enemy. ——《Historical Chronicle—medieval England》 ③ Perfidious allies are more dangerous than open enemies. ——《Machiavelli-style Political Essay》 ④ The novel portrays the perfidious courtier scheming against the king. ——《Shakespearean Influence—Literary Criticism》 ⑤ He regarded the breach of promise as a perfidious act. ——《Victorian Novel Sample》 ⑥ Diplomatic language rarely calls another nation perfidious—except in satire. ——《Eighteenth-Century Satire Study》 ⑦ The general executed the perfidious captain who had conspired with the invaders. ——《War Narrative—Ancient Rome Theme》 ⑧ Betrayal by a perfidious lover is a recurring motif in Baroque opera. ——《Musicology Lecture Notes》 ⑨ To break a treaty solemnly sworn is the mark of a perfidious regime. ——《International Law Commentary—ICJ》 ⑩ The word ‘perfidious’ appears famously in ‘Perfidious Albion’, a term for treacherous Britain in French polemic. ——《European History Encyclopedia—Britannica》

5. venerate /ˈvenəreɪt/ v. 崇敬，敬仰（尤指对长者/圣人/传统）

• 同义词：revere, honor, esteem
• 近义词：admire deeply, worship (secular sense), hold in awe
• 反义词：despise, scorn, disparage
• 易误用词：venture（冒险/敢于）；veneer（表面/虚饰）——形近首字母；admire（程度较轻）
• 例句： ① In many cultures, elders are venerated for their wisdom and experience. ——《Cultural Anthropology Textbook》 ② The monastery venerates Saint Benedict as its founding patron. ——《Catholic Encyclopedia Entry》 ③ Confucius is venerated throughout East Asia as a sage and teacher. ——《World Religions Survey—Oxford Press》 ④ We venerate the memory of those who gave their lives in war. ——《Remembrance Day Speech—UK Gov Archive》 ⑤ He venerated the old professor, never speaking unless spoken to first. ——《Academic Novel—C.P. Snow Style》 ⑥ The temple is a place where ancestors are venerated with offerings and incense. ——《East Asian Studies Reader》 ⑦ To venerate tradition is not necessarily to reject innovation. ——《Philosophy of Culture Essay—Times Literary Supplement》 ⑧ The poet was venerated in his homeland but little known abroad. ——《Biographical Dictionary of Literary Figures ⑨ Some argue that celebrity culture venerates the wrong qualities. ——《Media Studies Critique—Guardian Comment ⑩ Ancient Greeks venerated gods whose personalities mirrored human flaws. ——《Edith Hamilton—Mythology (classic citation)**

✅ 今日推送单词（不与历史重复）： - CET-4：accumulate, adapt, emerge, affect, confirm - CET-6：implement, justify, marginal, provoke, testify - TEM-8：delineate, extenuate, intransigent, perfidious, venerate

明天继续为你推送新一批不重复的必背词！如需调整难度或格式可随时告诉我～