[{"data":1,"prerenderedAt":135},["ShallowReactive",2],{"word-essential":3},{"source":4,"data":5,"quality_score":133,"lastmod":134},"static_word_details",{"lemma":6,"phonetic":7,"pos":9,"definition_zh":11,"usage_points":12,"collocations":40,"examples_basic":85,"examples_advanced":98,"common_mistakes":111,"synonyms_nuance":120,"diff_pairs":129,"word_family":132},"essential",{"us":8,"uk":8},"i'senʃәl",[10],"形容词","essential 指某事物是必要的、不可或缺的，强调其根本重要性或核心本质，常用于描述基本需求或关键要素。",[13,20,27,33],{"title":14,"content":15,"examples":16},"句型搭配","essential 常与 it is 结构连用，后接 for/to + 名词或 that 从句，表示对某人或某事至关重要。",[17,18,19],"It is essential for success.","It is essential that we arrive on time.","Water is essential to life.",{"title":21,"content":22,"examples":23},"介词用法","essential 后常接介词 for 或 to，表示对某事物必要；for 强调目的或对象，to 强调关联或归属。",[24,25,26],"Essential for health","Essential to the process","Essential for survival",{"title":28,"content":29,"examples":30},"语域说明","essential 在正式和非正式语境中均常用，但在学术、商务场合更强调逻辑必要性，日常对话中多指基本需求。",[31,32],"In academic writing: 'Essential components'","In daily talk: 'It's essential to bring an umbrella.'",{"title":34,"content":35,"examples":36},"形容词位置","essential 作形容词时，可置于名词前（如 essential skills）或作表语（如 These skills are essential），注意避免冗余修饰。",[37,38,39],"Essential nutrients","The meeting is essential","An essential part",[41,49,57,65,71,78],{"type":42,"items":43},"verb",[44,45,46,47,48],"be essential","become essential","consider essential","deem essential","prove essential",{"type":50,"items":51},"adjective",[52,53,54,55,56],"absolutely essential","vitally essential","fundamentally essential","highly essential","truly essential",{"type":58,"items":59},"noun",[60,61,62,63,64],"essential oil","essential nutrients","essential skills","essential elements","essential services",{"type":66,"items":67},"adverb",[68,69,70],"essentially important","essentially necessary","essentially required",{"type":72,"items":73},"preposition",[74,75,76,77],"essential for","essential to","essential in","essential as",{"type":79,"items":80},"phrase",[81,82,83,84],"play an essential role","of essential importance","the bare essentials","essential to note",[86,89,92,95],{"en":87,"zh":88},"It's essential to drink enough water every day for good health.","每天喝足够的水对保持健康至关重要。",{"en":90,"zh":91},"Sleep is essential for children's growth and development.","睡眠对儿童的成长和发育是必不可少的。",{"en":93,"zh":94},"We packed only the essentials for our weekend trip.","我们只带了周末旅行所需的基本物品。",{"en":96,"zh":97},"Good communication is essential in any relationship.","在任何关系中，良好的沟通都是关键。",[99,102,105,108],{"en":100,"zh":101},"In business negotiations, trust is an essential component for building long-term partnerships.","在商务谈判中，信任是建立长期合作伙伴关系的关键要素。",{"en":103,"zh":104},"The study highlights the essential role of biodiversity in maintaining ecosystem stability.","这项研究强调了生物多样性在维持生态系统稳定中的核心作用。",{"en":106,"zh":107},"Effective time management is essential to meeting project deadlines in academic research.","在学术研究中，有效的时间管理对于按时完成项目截止日期至关重要。",{"en":109,"zh":110},"The report identifies several essential factors that influence economic growth in developing countries.","该报告指出了影响发展中国家经济增长的几个必要因素。",[112,116],{"wrong":113,"right":114,"explanation":115},"It is essential for us to not be late.","It is essential that we are not late.","错误：使用了 'for us to not be' 结构，这在正式英语中不够自然。正确：用 'it is essential that + 从句' 更标准，强调必要性，避免拆分不定式。",{"wrong":117,"right":118,"explanation":119},"This book is very essential for beginners.","This book is essential for beginners.","错误：添加了 'very' 修饰 essential。正确：essential 本身已表示“非常必要”，用 very 会显得冗余；在英语中，essential 通常不与程度副词连用，除非是 absolutely 等强调词。",[121,125],{"word":122,"difference":123,"example":124},"necessary","necessary 指在特定条件下需要或必须的，但可能不是根本性的；essential 强调不可或缺或核心本质，程度更强。例如，水对生命是 essential，而带伞下雨天是 necessary。","A passport is necessary for international travel, but understanding local customs is essential for a smooth trip.",{"word":126,"difference":127,"example":128},"vital","vital 强调极端重要性或生死攸关，常用于紧急或关键情境；essential 更侧重于基本需求或本质部分，语气稍弱。例如，心脏手术是 vital，而健康饮食是 essential。","Quick action is vital in emergencies, while regular exercise is essential for overall well-being.",[122,130,131],"important","fundamental",[],70,"2026-01-12T02:43:09.067Z",1784307032917]