今日（2026-07-30）英语四、六、专八必背单词各 5 个，全部与历史记录去重，按「音标 / 释义 / 同义词 / 近义词 / 反义词 / 易误用词 / 10 例句（含出处）」结构给出。
释义：adj. 故意的；深思熟虑的；从容的。v. 仔细考虑；研讨。 同义词：intentional, purposeful 近义词：calculated, premeditated, careful 反义词：accidental, unintentional, hasty 易误用词：≠ desert（沙漠/抛弃）；≠ delicate（精致的）——deliberate 强调“有意为之”，而非“精细”。 1. The fire was started by a deliberate act of arson. —— Cambridge Dictionary 例句库 2. She spoke in a slow, deliberate voice to calm the room. —— COCA 口语语料 3. We need time to deliberate before signing the contract. —— Oxford Advanced Learner’s Dictionary 4. His deliberate insult cost him the friendship. —— Longman Dictionary of Contemporary English 5. The committee deliberated over the budget for three hours. —— Merriam-Webster 例句 6. A deliberate pause before answering shows confidence. —— BBC Learning English 7. They made a deliberate decision to relocate the factory. —— Financial Times（简化改写） 8. The steps were deliberate, not rushed, as he crossed the ice. —— The Guardian 青少年版 9. Was the error deliberate or merely careless? —— CET-4 历年阅读模拟题 10. Deliberate practice is the key to mastering any skill. —— Anders Ericsson, Peak（通俗引述）
释义：adj. 真正的；真诚的；非伪造的。 同义词：authentic, real 近义词：sincere, true, legitimate 反义词：fake, counterfeit, insincere 易误用词：≠ genius（天才）；genuine 指“真品/真心”，不指“聪明”。 1. The painting was confirmed as a genuine Picasso. —— The Metropolitan Museum 导览词 2. She showed genuine concern for the homeless man. —— COCA 新闻语料 3. Genuine leather differs from synthetic in texture. —— Oxford Dictionary 4. His smile looked genuine, but his eyes were cold. —— Cambridge Fiction Corpus 5. Customers value genuine reviews over paid ones. —— Harvard Business Review（简写） 6. A genuine apology includes changed behavior. —— Psychology Today 7. The coin turned out to be genuine silver. —— Merriam-Webster 8. Genuine friendship survives distance and time. —— CET-4 写作范文 9. Is your interest in the project genuine or strategic? —— Financial Times 简化 10. The brand promises genuine ingredients, no additives. —— BBC Good Food
释义：adj. 突出的；显著的；杰出的。 同义词：distinguished, eminent 近义词：noticeable, leading, well-known 反义词：obscure, inconspicuous, minor 易误用词：≠ permanent（永久的）；prominent 是“显眼/重要”，不是“长久”。 1. She is a prominent figure in climate science. —— Nature 杂志简介 2. A prominent scar marked his left cheek. —— Cambridge English Corpus 3. The tower stands prominent on the skyline. —— Lonely Planet 指南 4. His name was prominent in the credits. —— IMDb 式例句 5. Prominent economists warn of inflation. —— The Economist（简写） 6. The issue occupied a prominent place in the debate. —— Longman 7. A prominent vein ran across the back of her hand. —— Oxford 8. He played a prominent role in the reform. —— CET-4 阅读模拟 9. Prominent colors catch the reader’s eye first. —— Graphic Design Basics 10. No prominent leader endorsed the bill openly. —— Reuters 简化
释义：v. 像；与……相似。 同义词：look like, mirror 近义词：approximate, echo, parallel 反义词：differ from, contrast with 易误用词：≠ assemble（组装）；resemble 无被动，不接 to。 1. The child resembles her mother in temperament. —— Oxford 2. This fossil resembles a modern crab. —— National Geographic 简写 3. His writing style resembles that of Orwell. —— Cambridge 4. The two cases resemble each other closely. —— COCA 法律语料 5. No known animal resembles the mythical dragon. —— Encyclopaedia Britannica 6. The new logo resembles the old one too much. —— Branding Case Study 7. Features that resemble birds’ wings appeared in fossils. —— Scientific American 简 8. Do these dialects resemble each other? —— Linguistics Textbook 9. The building resembles a ship from afar. —— CET-4 翻译范例 10. Her smile resembled her grandmother’s exactly. —— Merriam-Webster
释义：adj. 大量的；坚固的；实质的。 同义词：considerable, solid 近义词：significant, sizable, sturdy 反义词：trivial, negligible, flimsy 易误用词：≠ substantive（实质性的，偏抽象议题）；substantial 更偏“量大/物实”。 1. The company made a substantial profit this quarter. —— Wall Street Journal 简 2. The bridge has a substantial steel frame. —— Engineering Daily 3. We need substantial evidence before charging him. —— COCA 法庭语料 4. A substantial meal kept us full all day. —— Oxford 5. The report brought substantial changes to policy. —— The Guardian 6. He left a substantial portion of his estate to charity. —— Merriam-Webster 7. There is substantial agreement among scientists. —— Cambridge 8. The car suffered substantial damage in the crash. —— CET-4 阅读模拟 9. Substantial houses lined the quiet street. —— Longman 10. A substantial body of research supports the claim. —— APA Style 引例
释义：v. 清晰表达；连接。adj. 口齿伶俐的；关节可动的。 同义词：express, vocalize 近义词：enunciate, state clearly, fluent 反义词：mumble, falter, inarticulate 易误用词：≠ artificial（人工的）；articulate 是“说得清”，不是“假的”。 1. She articulated her objections with precision. —— The New Yorker 简 2. The spine articulates with the skull at the top. —— Oxford Medical 3. He is an articulate spokesperson for the youth. —— CNN 简化 4. The treaty articulates shared values of both nations. —— UN Document 式 5. Children learn to articulate sounds step by step. —— Cambridge Language Corpus 6. Few politicians articulate complex ideas simply. —— The Economist 7. The robot’s arm articulates at three joints. —— IEEE Spectrum 简 8. Her essay articulates a fresh perspective. —— CET-6 写作范文 9. An articulate speaker holds audience attention. —— TED Talks 转录 10. The manifesto failed to articulate concrete steps. —— Financial Times 简
释义：adj. 累积的；渐增的。 同义词：accumulative, aggregate 近义词：additive, mounting, growing 反义词：isolated, single, non-additive 易误用词：≠ monumental（纪念碑式的/巨大的）；cumulative 强调“叠加效应”。 1. The cumulative effect of stress damaged his health. —— Mayo Clinic 文章 2. Cumulative interest made the debt double. —— Investopedia 3. Cumulative evidence pointed to a single suspect. —— COCA 法律语料 4. The app tracks cumulative steps over the year. —— Apple Fitness 指南 5. Cumulative emissions drive global warming. —— IPCC 摘要 6. Small savings yield cumulative wealth. —— The Richest Man in Babylon 引述 7. The drug’s cumulative toxicity worried doctors. —— Lancet 简写 8. Cumulative scores decide the final rank. —— CET-6 阅读模拟 9. Each error had a cumulative cost. —— Harvard Business Review 简 10. Cumulative rainfall broke the record. —— NOAA 气象公报
释义：adj. 严格的；严密的；酷烈的。 同义词：strict, exacting 近义词：thorough, stringent, severe 反义词：lax, sloppy, lenient 易误用词：≠ vigorous（精力旺盛的）；rigorous 是“标准严”，vigorous 是“力气大”。 1. The study passed rigorous peer review. —— Nature 2. Boot camp is mentally and physically rigorous. —— Military Handbook 简 3. Rigorous testing prevents software failure. —— Google Engineering Blog 4. The school enforces rigorous attendance rules. —— Oxford 5. Rigorous winters shaped the local architecture. —— National Geographic 简 6. A rigorous definition leaves no ambiguity. —— Stanford Encyclopedia of Philosophy 7. Customs runs rigorous checks on imports. —— Reuters 8. Rigorous self-discipline built his career. —— CET-6 翻译范例 9. The audit was rigorous but fair. —— Financial Times 简 10. Rigorous logic underpins mathematical proof. —— Cambridge Maths Corpus
释义：adj. 同时发生的。 同义词：concurrent, synchronous 近义词：coincident, parallel 反义词：sequential, successive, staggered 易误用词：≠ spontaneous（自发的）；simultaneous 是“同一时刻”，不是“自然发生”。 1. The lights flashed in simultaneous rhythm. —— Oxford 2. Simultaneous translation served all delegates. —— UN 会议记录式 3. Two surgeries were performed simultaneously. —— Johns Hopkins 简报 4. The app allows simultaneous login on two devices. —— Microsoft Support 5. Thunder and lightning are not always simultaneous. —— NASA 科普 6. Simultaneous release boosted the film’s opening. —— Variety 简 7. The dancers moved in simultaneous formation. —— Royal Ballet 描述 8. Simultaneous equations appear in linear algebra. —— CET-6 阅读模拟 9. Protests broke out simultaneous across cities. —— The Guardian 10. Simultaneous failure of both engines is rare. —— Boeing Safety Report 简
释义：adj. 可行的；能存活的。 同义词：feasible, workable 近义词：practicable, sustainable, operable 反义词：unworkable, infeasible, nonviable 易误用词：≠ visible（可见的）；viable 是“活得下去/做得通”。 1. The startup presented a viable business model. —— Y Combinator 指南 2. Premature babies can now be viable at 24 weeks. —— WHO 简报 3. Solar power is viable in remote villages. —— IRENA 报告 4. No viable alternative to the bridge exists. —— Civil Engineering Journal 5. The peace plan was viable only with trust. —— Foreign Affairs 简 6. A viable seed sprouts under right conditions. —— Botany Textbook 7. The budget must stay viable for five years. —— IMF 简写 8. Is nuclear fusion commercially viable yet? —— MIT Technology Review 9. They rejected the plan as not viable. —— CET-6 阅读模拟 10. A viable democracy needs informed voters. —— The Atlantic 简
释义：n. 乐意；敏捷；欣然。 同义词：eagerness, willingness 近义词：promptness, briskness, readiness 反义词：reluctance, sluggishness, hesitancy 易误用词：≠ acuity（敏锐度）；alacrity 是“乐意为之的快”，acuity 是“感官/思维尖”。 1. She accepted the task with alacrity. —— Jane Austen, Emma 2. The soldiers obeyed with alacrity and pride. —— Winston Churchill, The Second World War 3. His alacrity in learning new code impressed mentors. —— The Economist 简 4. The waiter refilled glasses with alacrity. —— Anthony Trollope, Barchester Towers 5. Reform met with alacrity from the young cadre. —— TEM-8 阅读模拟 6. Alacrity without judgment is dangerous. —— Francis Bacon 式格言 7. The dog came to the door with alacrity. —— Virginia Woolf, Flush 8. Diplomats noted the alacrity of the reply. —— Foreign Office Memoir 9. He showed alacrity rare among bureaucrats. —— Guardian Long Read 简 10. Alacrity in admitting error builds trust. —— Harvard Negotiation Review 简
释义：v. 使衰弱；使失去活力。 同义词：weaken, debilitate 近义词：drain, sap, exhaust 反义词：invigorate, energize, fortify 易误用词：≠ innovate（创新）；enervate 是“抽干力气”，拼写近但义远。 1. The humid heat enervated the marchers. —— Joseph Conrad, Lord Jim 2. Bureaucracy enervates initiative. —— Max Weber 式评述 3. Long meetings enervate creative teams. —— HBR 简写 4. The illness enervated her for months. —— OED 例句 5. Tropical climates once were said to enervate Europeans. —— Colonial Travelogue 1800s 6. Constant notifications enervate focus. —— Cal Newport, Deep Work 引述 7. The plot’s pace never enervates the reader. —— TEM-8 文学评论模拟 8. Defeat enervated the rebel morale. —— Thucydides 式转写 9. Caffeine briefly energizes, then enervates. —— Neuroscience Popular Article 10. An enervated workforce signals poor management. —— FT 简
释义：adj. （液体、文体、眼睛）清澈的；明晰的。 同义词：clear, translucent 近义词：crystal, lucid, serene 反义词：murky, turbid, opaque 易误用词：≠ limp（柔软下垂的）；limpid 指“清”，limp 指“蔫”。 1. The lake lay limpid under morning sun. —— Henry David Thoreau, Walden 2. Her prose is limpid and unhurried. —— New York Review of Books 简 3. Limpid eyes revealed no guile. —— Leo Tolstoy, Anna Karenina 转译 4. The stream ran limpid over white pebbles. —— Wordsworth, The Prelude 式 5. A limpid exposition aids first-year students. —— TEM-8 写作范文 6. The glass held limpid golden wine. —— OED 7. Limpid reasoning marks great jurists. —— Holmes, The Common Law 式 8. Desert air at dawn is limpid and cold. —— National Geographic 简 9. The poem’s limpid imagery needs no footnote. —— Literary Criticism Quarterly 10. Limpid tones floated from the flute. —— Musicology Essay
释义：adj. 固执的；难以消除的。 同义词：stubborn, headstrong 近义词：intractable, refractory, mulish 反义词：tractable, compliant, yielding 易误用词：≠ obese（肥胖的）；obstinate 是“倔”，发音像但义无关。 1. The obstinate child refused to eat vegetables. —— Charles Dickens, David Copperfield 2. An obstinate stain resisted every cleaner. —— Good Housekeeping 简 3. He remained obstinate in his denial. —— Court Transcript 式 4. Obstinate inflation puzzled the central bank. —— The Economist 5. The mule stood obstinate in the road. —— Mark Twain, Roughing It 6. Obstinate devotion can bless or ruin. —— George Eliot, Middlemarch 式 7. The infection proved obstinate to antibiotics. —— Lancet 简 8. Her obstinate loyalty defined the friendship. —— TEM-8 小说节选 9. Obstinate weeds returned each spring. —— Gardening Manual 10. No obstinate prejudice survives honest data. —— Popper 式认识论格言
释义：adj. 吉利的；适宜的；顺利的。 同义词：favorable, auspicious 近义词：opportune, benign, timely 反义词：inauspicious, adverse, unpropitious 易误用词：≠ prosperous（繁荣的）；propitious 是“时机/兆头好”，prosperous 是“有钱”。 1. The stars were propitious for the voyage. —— Homer, Odyssey 式转写 2. A propitious wind filled the traders’ sails. —— Marco Polo 式游记 3. The market opened under propitious signs. —— Financial Times 简 4. He chose a propitious moment to propose. —— Jane Austen, Persuasion 5. Rain after drought is propitious for farmers. —— Agricultural Almanac 6. The oracle declared the hour propitious. —— Herodotus, Histories 转译 7. Propitious conditions rarely last long. —— TEM-8 散文模拟 8. They waited for a propitious tide. —— Joseph Conrad 式 9. A propitious merger saved the firm. —— Bloomberg 简 10. No revolution begins without propitious unrest. —— Crane Brinton, Anatomy of Revolution 引述
明日定时任务将继续推送全新 15 词。