📅 2026-07-04 每日必背单词打卡

选词已避开历史已发词汇。以下为大学英语四级、六级、专八各5词，含音标、释义、同/近义词、反义词、易误用词及10条例句。

🎓 CET-4 四级必背（5词）

1. accurate /ˈækjərət/

• 释义 adj. 准确的，精确的
• 同义词/近义词 precise, exact, correct
• 反义词 inaccurate, imprecise, wrong
• 易误用词 accurate（准确的）vs concise（简明的）vs acute（急性的；敏锐的）
• 例句
  1. The watch keeps accurate time. — Everyday Usage
  2. Make sure your data is accurate before publishing. — Academic Writing
  3. An accurate translation is essential here. — Translation Textbook
  4. The map is not accurate enough for hiking. — Travel Guide
  5. She gave an accurate account of the accident. — News Report
  6. Accurate measurement is key in this experiment. — Science Journal
  7. His prediction was surprisingly accurate. — Novel—Michael Crichton, Jurassic Park
  8. The witness provided accurate details to the police. — Legal Context
  9. This software generates accurate weather forecasts. — Tech Manual
  10. Please be accurate in filling out the form. — Official Document

2. community /kəˈmjuːnəti/

• 释义 n. 社区；社会；团体；界（学术/专业界）
• 同义词/近义词 society, group, neighborhood, association
• 反义词 individual（个体对照），isolation
• 易误用词 community（社区/群体）vs commute（通勤）vs commonity（❌不存在，常见拼写错误）
• 例句
  1. The local community opposed the new highway. — News Report
  2. Scientists work within a global research community. — Academic Context
  3. A sense of community is important in schools. — Education Journal
  4. He is well respected in the business community. — Business Weekly
  5. The online gaming community is very active. — Internet Article
  6. They donated money to the village community. — Charity Brochure
  7. Community support helped her recover quickly. — Biography
  8. The LGBTQ+ community held a parade downtown. — City News
  9. Issues affecting the wider community must be addressed. — Policy Paper
  10. We belong to a diverse and vibrant community. — University Prospectus

3. influence /ˈɪnfluəns/

• 释义 v. 影响；n. 影响力，作用
• 同义词/近义词 affect, sway, impact (v./n.), power
• 反义词 indifference, powerlessness（无影响力）
• 易误用词 influence（影响）vs infer（推断）vs affluence（富裕）
• 例句
  1. Parents strongly influence children’s values. — Psychology Textbook
  2. The media can influence public opinion. — Media Studies
  3. His work shows the influence of Japanese art. — Art History
  4. Don’t let peer pressure influence your decision. — Counseling Pamphlet
  5. Climate influences crop yield. — Agricultural Report
  6. She used her influence to get the bill passed. — Political Biography
  7. The Greeks had a profound influence on Western philosophy. — Will Durant, The Story of Philosophy
  8. Advertising influences what we buy. — Consumer Research
  9. He is a man of considerable influence in the city. — Novel—Charles Dickens
  10. External factors may influence the test results. — Lab Manual

4. opportunity /ˌɒpəˈtjuːnəti/

• 释义 n. 机会，时机
• 同义词/近义词 chance, occasion, opening, prospect
• 反义词 disadvantage, missed chance, setback
• 易误用词 opportunity（机会）vs possibility（可能性）vs option（选项）
• 例句
  1. This job is a great opportunity for advancement. — Career Advice
  2. Don’t miss the opportunity to study abroad. — University Notice
  3. Equal opportunities should be given to all. — HR Policy
  4. The conference offers networking opportunities. — Event Flyer
  5. It was an opportunity he couldn’t refuse. — Novel—Mario Puzo, The Godfather
  6. Seize every opportunity to practice English. — Language Learning Guide
  7. The store closed, but it opened new opportunities. — Business Case Study
  8. Young people need more employment opportunities. — Economist Article
  9. Take this opportunity to ask questions. — Lecture Script
  10. History does not offer such an opportunity twice. — Historical Biography

5. traditional /trəˈdɪʃənl/

• 释义 adj. 传统的；惯例的
• 同义词/近义词 conventional, customary, long-established
• 反义词 modern, unconventional, innovative
• 易误用词 traditional（传统的）vs traditionalist（n.传统主义者）vs traumatic（创伤的）
• 例句
  1. They celebrate the traditional New Year’s feast. — Cultural Article
  2. Traditional medicine is still widely practiced. — WHO Report
  3. The building has a traditional architectural style. — Travel Guide
  4. She broke away from traditional gender roles. — Sociology Text
  5. Traditional teaching methods are being re-evaluated. — Education Journal
  6. It’s a traditional custom in this region. — Ethnography
  7. Unlike traditional banks, they operate online. — Fintech News
  8. Traditional folk songs were passed down orally. — Music History
  9. He prefers traditional Chinese painting. — Art Catalog
  10. The festival retains its traditional character. — Lonely Planet Guidebook

🏫 CET-6 六级必背（5词）

1. assimilate /əˈsɪmɪleɪt/

• 释义 v. 吸收；同化；理解并掌握（信息）
• 同义词/近义词 absorb, integrate, comprehend, take in
• 反义词 reject, segregate, exclude
• 易误用词 assimilate（吸收/同化）vs assemble（集合）vs simulate（模拟）
• 例句
  1. Immigrants gradually assimilate into the host culture. — Sociology Text
  2. The body assimilates nutrients from food. — Biology Textbook
  3. It took time to assimilate all the new information. — Academic Context
  4. Some minority groups resist being assimilated. — Anthropology Study
  5. Children assimilate language rapidly. — Linguistics Research
  6. The company failed to assimilate the acquired firm’s culture. — Business Case
  7. He could not assimilate the complexity of the theory. — Novel—Thomas Hardy
  8. Plants assimilate carbon dioxide during photosynthesis. — Science Class
  9. Assimilating different perspectives enriches debate. — Philosophy Essay
  10. The data must be assimilated before analysis. — Statistics Manual

2. controversial /ˌkɒntrəˈvɜːʃl/

• 释义 adj. 有争议的，引起争论的
• 同义词/近义词 debatable, disputed, contentious, polarizing
• 反义词 undisputed, universally accepted, noncontroversial
• 易误用词 controversial（有争议的）vs conventional（常规的）vs contrary（相反的）
• 例句
  1. The plan sparked a controversial debate. — News Headline
  2. He is a controversial figure in political history. — Biography
  3. The paper discusses several controversial issues. — Academic Journal
  4. Building the dam remains controversial among locals. — Documentary Narration
  5. Some controversial topics are avoided in polite conversation. — Etiquette Guide
  6. The movie deals with controversial social themes. — Film Review—The Guardian
  7. Her appointment was both praised and criticized as controversial. — BBC News
  8. It’s a controversial interpretation of the law. — Legal Commentary
  9. Teaching evolution was once highly controversial. — History of Science
  10. The candidate dodged controversial questions. — Election Coverage

3. negotiate /nɪˈɡəʊʃieɪt/

• 释义 v. 谈判，协商；顺利通过（障碍）
• 同义词/近义词 bargain, mediate, discuss terms, arrange
• 反义词 demand, dictate, refuse to compromise
• 易误用词 negotiate（谈判/越过）vs navigate（导航）vs neglect（忽视）
• 例句
  1. Both sides agreed to negotiate a peace treaty. — International News
  2. They managed to negotiate a lower price. — Business Dialogue
  3. The car negotiated the sharp curve safely. — Driving Manual
  4. Union representatives will negotiate with management. — Labor Report
  5. Good diplomats know how to negotiate under pressure. — Political Science Text
  6. We are negotiating the terms of the contract. — Corporate Email
  7. It took months to negotiate the deal. — Harvard Business Review
  8. He negotiated his way through the crowded market. — Travel Memoir
  9. The two nations resumed negotiations yesterday. — Reuters
  10. Never negotiate from a position of desperation. — Self-Help Book

4. prosperous /ˈprɒspərəs/

• 释义 adj. 繁荣的，兴旺的，成功的
• 同义词/近义词 thriving, wealthy, flourishing, successful
• 反义词 impoverished, declining, depressed (economically)
• 易误用词 prosperous（繁荣的）vs propitious（吉利的；有利的）vs prospective（潜在的）
• 例句
  1. Hong Kong was once the most prosperous port in Asia. — History Text
  2. A prosperous nation invests in education. — Economics Essay
  3. The region became prosperous after the discovery of oil. — Geographic Report
  4. They built a prosperous business from scratch. — Entrepreneurship Book
  5. Not all prosperous cities are equally happy. — Sociological Study
  6. Prosperous times can lead to complacency. — Opinion Column—The Economist
  7. The town looks less prosperous than it did a decade ago. — Travelogue
  8. Trade agreements helped create a prosperous economy. — Diplomatic Archive
  9. A prosperous society cares for its vulnerable members. — Social Policy Paper
  10. May you live a long and prosperous life. — Traditional Greeting / Literature

5. valid /ˈvælɪd/

• 释义 adj. （论据、理由）有根据的，合理的；（证件、票）有效的
• 同义词/近义词 sound, logical, legitimate, effective
• 反义词 invalid, unsound, illogical, expired
• 易误用词 valid（有效的/合理的）vs vivid（生动的）vs valued（受重视的）
• 例句
  1. Your ticket is valid for three months. — Railway Announcement
  2. That is a valid point in the argument. — Debate Transcript
  3. The passport must be valid for six months onward. — Visa Requirement
  4. Is the experimental method statistically valid? — Research Methods Text
  5. No valid reason was given for the delay. — Customer Service Log
  6. Only valid ID will be accepted at the entrance. — Event Notice
  7. His objection, though unpopular, was logically valid. — Philosophy Text
  8. The court ruled the search warrant was not valid. — Legal News
  9. Please ensure your email address is valid. — Web Form Prompt
  10. A valid inference follows from its premises. — Logic Textbook

📘 TEM-8 英语专业八级必背（5词）

1. adumbrate /ˈædəmbreɪt/（英式也可 /əˈdʌmbreɪt/）

• 释义 v. 勾画，略述；预示（隐约显示）；（用阴影）遮蔽——文学/评论用语
• 同义词/近义词 outline, sketch, foreshadow, prefigure, hint at
• 反义词 conceal (完全隐瞒意义)，elaborate in detail（详尽展开——反向操作）
• 易误用词 adumbrate（预示/略述）vs umbrage（生气；树荫）vs admonish（告诫）
• 例句
  1. The prologue adumbrates the tragedy to come. — Literary Criticism—Harold Bloom
  2. The report adumbrates a new framework for policy reform. — Policy White Paper
  3. Dark clouds adumbrate the mountain peaks. — Nature Description—John Ruskin, Modern Painters
  4. Early signs already adumbrated the economic collapse. — Financial Times
  5. He adumbrated his theory in a brief preface. — Academic Monograph
  6. The first chapter adumbrates themes explored later. — Novel Analysis—James Wood
  7. Rumors of war adumbrated the coming crisis. — Historical Narrative
  8. The painter adumbrates figures before adding color. — Art Technique Manual
  9. Such passages adumbrate the author’s philosophical stance. — Comparative Literature Journal
  10. The treaty adumbrated a new European order. — Diplomatic History—A.J.P. Taylor

2. cogent /ˈkəʊdʒənt/

• 释义 adj.（论据、推理）有说服力的，令人信服的
• 同义词/近义词 convincing, compelling, persuasive, forceful
• 反义词 weak, unconvincing, fallacious, flimsy
• 易误用词 cogent（有说服力的）vs coherent（连贯的）vs cogitate（v. 深思——完全不同词性义）
• 例句
  1. She presented a cogent argument for reform. — Parliamentary Debate Transcript
  2. The essay lacks a cogent thesis statement. — Composition Handbook
  3. Cogent evidence persuaded the jury. — Courtroom Drama—John Grisham
  4. His most cogent point concerned tax inequality. — Opinion Column—The New York Times
  5. A cogent analysis must rest on verified facts. — Research Methodology Text
  6. Few speakers offered so cogent a rebuttal. — Debate Magazine
  7. The article is praised for its cogent reasoning. — TLS (Times Literary Supplement)
  8. Without cogent proof, the claim was dismissed. — Law Review
  9. Cogent writing respects the intelligence of its reader. — Strunk & White, The Elements of Style
  10. The most cogent objections were noted and answered. — Philosophy—Bertrand Russell, The Problems of Philosophy

3. exculpate /ɪkˈskʌlpeɪt/（美式也读 /ˈekskəlpeɪt/）

• 释义 v. 开脱，证明……无罪/无过失（正式/法律用语）
• 同义词/近义词 absolve, exonerate, clear, vindicate
• 反义词 incriminate, indict, blame, convict
• 易误用词 exculpate（开脱）vs expatriate（放逐/侨居国外）vs exterminate（消灭）
• 例句
  1. New DNA evidence exculpated the defendant. — Legal Thriller—John Grisham, The Runaway Jury
  2. The inquiry found no grounds to exculpate the official. — Judicial Commission Report
  3. He tried to exculpate himself by shifting the blame. — Biography—Robert Caro
  4. Witness testimony helped exculpate the accused. — Court Document
  5. The law allows exculpating circumstances to be considered. — Criminal Law Textbook
  6. Historians later exculpated her from the charge of treason. — Historical Monograph
  7. To exculpate someone is not necessarily to find the truth. — Philosophy of Law Essay
  8. The report partially exculpates the CEO but criticizes the board. — Financial Times
  9. No evidence has emerged that would exculpate him. — News Report—The Guardian
  10. Mercy may exculpate the act but not erase the record. — Moral Philosophy Text

4. lugubrious /luˈɡuːbriəs/

• 释义 adj.（表情、语调、气氛）哀伤的，阴郁的（带过分悲哀或夸张意味）
• 同义词/近义词 mournful, doleful, melancholy, woeful, somber
• 反义词 cheerful, jovial, buoyant, lighthearted
• 易误用词 lugubrious（阴郁哀伤的）vs ludicrous（荒谬可笑的）vs luminous（发光的）
• 例句
  1. He wore a lugubrious expression at the funeral. — Novel—Charles Dickens, Bleak House
  2. The old house had a lugubrious atmosphere. — Gothic Fiction
  3. She spoke in a lugubrious tone about lost love. — Poetry Anthology Intro
  4. The hound’s lugubrious eyes melted her heart. — Children’s Literature—The Phantom Tollbooth
  5. A lugubrious violin melody drifted from the café. — Travel Memoir
  6. Critics called the film’s ending unnecessarily lugubrious. — Film Review—Roger Ebert
  7. Even his jokes carried a lugubrious undertone. — Character Study—Evelyn Waugh
  8. Rain fell steadily, adding to the lugubrious mood. — Descriptive Passage
  9. The portrait captured his naturally lugubrious look. — Art Criticism
  10. Don’t be so lugubrious—things will improve! — Colloquial Dialogue

5. trenchant /ˈtrentʃənt/

• 释义 adj.（批评、言论、才智）尖锐的，犀利的，深刻的
• 同义词/近义词 incisive, penetrating, sharp, cutting, acute
• 反义词 bland, vague, superficial, obtuse
• 易误用词 trenchant（尖锐犀利的）vs tranquil（宁静的）vs tenacious（坚韧执着的）
• 例句
  1. The columnist is known for her trenchant social criticism. — Journalism—Joan Didion, Slouching Towards Bethlehem
  2. He offered a trenchant analysis of the regime’s failings. — Political Essay—Orwell, Inside the Whale
  3. Trenchant wit enlivened the dinner table conversation. — Biography—Boswell’s Life of Johnson
  4. The reviewer’s trenchant remarks stung the director. — Literary Review
  5. A trenchant mind cuts through pretension. — Intellectual History Text
  6. Her most trenchant observations appear in Chapter Three. — Scholarly Monograph
  7. The senator’s trenchant questioning exposed contradictions. — Congressional Hearing Transcript
  8. Few dared challenge his trenchant logic. — Philosophy Seminar Note
  9. Trenchant satire was a hallmark of that period’s literature. — English Lit Survey—Cambridge
  10. The article is brief but trenchant in its conclusions. — Editorial—The Economist

✅ 今日15词已推送完毕，明日将继续从未发送过的词汇中选取新词。加油背诵！💪 如需导出 Anki 格式或只保留某一级，可随时告诉我。