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1self-proclaimed perfectionist
自封的完美主义者
讲解作定语或表语，常含轻微贬义，暗示“自称的”未必被他人认可
搭配a self-proclaimed expert / self-proclaimed leader
近义self-styled / self-described / would-be
派生self-proclaim (v.) 自称
She calls herself a self-proclaimed perfectionist, yet her desk is always a mess.
她自称是完美主义者，但她的桌子总是乱七八糟。
2new millennium
新世纪
讲解指2000年起始的时代，常与in连用，多用于议论文背景句
搭配the dawn of a new millennium / in the new millennium
近义the 21st century / the modern era
反义the old millennium
In the new millennium, digital technology has reshaped almost every aspect of daily life.
在新世纪里，数字技术几乎重塑了日常生活的方方面面。
3lifting cradle
升降架
讲解具体名词，指高空作业用的悬挂式升降平台，雅思听力场景词
搭配operate a lifting cradle / suspend a lifting cradle
近义suspended platform / gondola
派生lift (v./n.) 提升；升降机
Workers used a lifting cradle to repair the cracked windows of the skyscraper.
工人们用升降架修理摩天大楼破裂的窗户。
4voluntary organisation
志愿组织
讲解英式拼写organisation，美式为organization，常作可数名词
搭配join a voluntary organisation / run a voluntary organisation
近义charity / non-profit group / NGO
反义commercial enterprise
Many students spend their weekends helping at a local voluntary organisation.
许多学生周末在当地志愿组织帮忙。
5surveillance site
监测点
讲解指用于持续观察或监控的固定地点，学术与新闻语境常见
搭配establish a surveillance site / a coastal surveillance site
近义monitoring station / observation post
派生surveillance (n.) 监视，监测
Scientists set up a surveillance site to track the migration of wild birds.
科学家设立了一个监测点来追踪野生鸟类的迁徙。
6fossil fuel
化石燃料，矿物燃料
讲解环境类高频词，常与burn、reduce、phase out等动词搭配
搭配burn fossil fuels / cut fossil fuel use / fossil fuel emissions
近义coal, oil and gas / non-renewable energy
反义renewable energy / clean energy
Burning fossil fuels releases huge amounts of carbon dioxide into the atmosphere.
燃烧化石燃料会向大气中释放大量二氧化碳。
7unglamorous world
单调乏味的世界
讲解unglamorous指缺乏魅力、光鲜感的，常修饰work/job/reality等，含客观或自嘲语气
搭配unglamorous work, unglamorous reality, unglamorous job
近义dull, mundane, unexciting
反义glamorous, exciting
Many graduates soon discover the unglamorous world of routine office work.
许多毕业生很快发现了单调乏味的日常办公室工作世界。
8boost production
提高产量
讲解boost为及物动词，指促进、提高，boost production是经济类写作高频搭配，后常接by+幅度
搭配boost production, boost sales, boost efficiency, boost the economy
近义increase, raise, enhance
反义reduce, cut, lower
派生booster
New machinery helped the factory boost production by nearly thirty percent last year.
新机器帮助这家工厂去年将产量提高了近百分之三十。
9bear little resemblance to
与…几乎没有相似之处
讲解bear little/no resemblance to表示与…几乎不相似，写作中常用来对比今昔变化
搭配bear little resemblance to, bear no resemblance to, bear a close resemblance to
近义differ greatly from, be unlike
反义bear a strong resemblance to
The modern city centre bears little resemblance to the quiet town it once was.
现代市中心与它曾经那个安静的小镇几乎没有相似之处。
10turn up
出现
讲解turn up为不及物短语，意为出现、到场，口语常用；也可指调高音量
搭配turn up on time, turn up unexpectedly, turn up the volume
近义show up, appear, arrive
反义be absent, miss
Only half the invited guests turned up at the charity dinner last night.
昨晚只有一半受邀嘉宾出现在慈善晚宴上。
11metallic grey
金属灰
讲解metallic grey指带金属光泽的灰色，常用来描写天空、汽车、建筑等，写作中可增强画面感
搭配metallic grey sky, metallic grey paint, metallic grey finish
近义steel grey, silver grey
派生metallic
The sky turned a cold metallic grey before the heavy storm arrived.
暴风雨来临前，天空变成了冰冷的金属灰色。
12primitive man
原始人
讲解primitive man泛指原始人，常用于历史、人类学话题；primitive也可指原始的、简陋的
搭配primitive man, primitive society, primitive tools
近义early humans, ancient people
反义modern man, civilized society
Primitive man used simple stone tools to hunt and prepare food.
原始人使用简单的石器来狩猎和准备食物。
13onshore meteorological station
海岸气象站
讲解指设在海岸线上的气象观测站，常见于环境、地理类雅思阅读与写作。
搭配onshore wind, onshore station, meteorological data
近义coastal weather station, seaside observatory
反义offshore station
派生meteorology, meteorological
The onshore meteorological station records wind speed and rainfall along the coast every day.
这座海岸气象站每天记录沿海的风速和降雨量。
14camouflaged vehicle
伪装的车辆
讲解指经过伪装处理的车辆，常见于军事、安全类话题。
记忆camouflage 本义为“伪装”，加 -ed 构成形容词。
搭配camouflaged truck, heavily camouflaged, camouflage net
近义disguised vehicle, concealed car
反义exposed vehicle
派生camouflage, camouflaging
The soldiers hid behind a camouflaged vehicle to avoid being seen by the enemy.
士兵们躲在一辆伪装的车辆后面，以免被敌人发现。
15waste disposal
废物处理
讲解指对垃圾和废弃物的处理，是环境类雅思写作高频搭配。
搭配waste disposal system, waste disposal site, household waste
近义refuse disposal, garbage treatment
反义waste accumulation
派生dispose of, disposable
Proper waste disposal is essential for protecting public health and the environment.
妥善的废物处理对保护公众健康和环境至关重要。
16individual differences
个体差异
讲解指人与人之间在能力、性格等方面的差异，常用于教育类话题。
搭配individual differences in learning, respect individual differences
近义personal variation, interpersonal differences
反义common features
派生individual, individuality, individually
Teachers should pay attention to individual differences when designing classroom activities.
教师在设计课堂活动时应注意个体差异。
17hotel robbery
酒店抢劫案
讲解指发生在酒店内的抢劫案件，常见于新闻报道和犯罪类话题。
搭配armed robbery, bank robbery, robbery case
近义hotel theft, hotel burglary
反义hotel security
派生rob, robber, robbed
The police are investigating a hotel robbery that took place late last night.
警方正在调查昨晚深夜发生的一起酒店抢劫案。
18vast discrepancy
巨大的反差
讲解指明显的差距或不一致，常用于数据对比和议论文写作。
搭配vast discrepancy between, a discrepancy in data
近义huge gap, marked difference
反义close match, similarity
派生discrepant, discrepancies
There is a vast discrepancy between the company's profits and the wages it pays.
该公司的利润与其支付的工资之间存在巨大差距。
19control subjects
受控对象
讲解学术语境中 control subjects 指实验里不接受处理的对照对象，与实验组对比
搭配control group, experimental subjects, control condition
近义control group, comparison subjects
反义experimental subjects
In the experiment, the control subjects received a placebo instead of the actual drug.
在实验中，对照组受试者接受的是安慰剂而非真正的药物。
20distilled water
蒸馏水
讲解蒸馏水指经蒸馏提纯的水，常用于实验、医疗和汽车电池等场景
搭配distilled water, purified water, deionized water
近义purified water
派生distill（蒸馏）, distillation（蒸馏过程）
The laboratory requires distilled water for all chemical solutions to avoid contamination.
实验室要求所有化学溶液都使用蒸馏水以避免污染。
21reduce stress
减少压力
讲解reduce stress 是雅思写作健康类话题高频搭配，常与 relieve 互换
搭配reduce stress levels, relieve stress, manage stress
近义relieve stress, alleviate stress, ease stress
反义increase stress, heighten stress
Regular exercise and adequate sleep can significantly reduce stress in daily life.
规律运动和充足睡眠能显著减少日常生活中的压力。
22coffee break
工间喝咖啡休息时间
讲解coffee break 指工作间隙的短暂休息，口语中也可泛指任何小憩
搭配take a coffee break, morning coffee break
近义tea break, short break
Employees usually take a short coffee break in the morning to refresh themselves.
员工通常在上午短暂地喝咖啡休息一下以恢复精神。
23ground floor
一楼
讲解英式英语中 ground floor 指与地面齐平的一楼，美式则用 first floor
搭配on the ground floor, ground-floor apartment
近义first floor（美式）
反义basement
The library is located on the ground floor, right next to the main entrance.
图书馆位于一楼，紧挨着正门。
24electric field
电场
讲解electric field 是物理学术语，指电荷周围存在的作用力空间
搭配electric field strength, magnetic field, electric charge
近义electrostatic field
派生electrical（电的）, electricity（电）
Scientists measured the electric field generated by the charged particles in the chamber.
科学家测量了腔室内带电粒子产生的电场。
25oral orientation
口头培训
讲解指以口头讲解形式进行的入职或岗前培训，区别于书面材料或线上课程。
搭配oral orientation session / attend an oral orientation / give an oral orientation
近义verbal briefing / spoken induction
派生orientate (v.) / orientation (n.)
New staff must attend an oral orientation before they start working in the factory.
新员工在进入工厂工作前必须参加口头培训。
26jump in
匆忙行动；不假思索地做
讲解口语中常表示不假思索地插话或匆忙开始做某事，多含批评或提醒语气。
搭配jump in with both feet / jump in at the deep end / jump in headfirst
近义dive in / plunge in / rush in
反义hold back / hesitate
Don't jump in with answers before the interviewer has finished asking the question.
在面试官问完问题之前，不要急于插话作答。
27wary admiration
谨慎的赞赏
讲解表示既佩服又有所保留、带警惕的赞赏，常用来描写复杂态度。
搭配regard sb. with wary admiration / a tone of wary admiration
近义cautious respect / guarded appreciation
反义outright contempt / open hostility
Her colleagues regarded her rapid promotion with wary admiration rather than open envy.
同事们对她的迅速升职抱以谨慎的赞赏，而非公开的嫉妒。
28succumb to sth.
屈服于
讲解succumb to 后接压力、诱惑、疾病等，强调因无力抵抗而最终让步或倒下。
搭配succumb to pressure / succumb to temptation / succumb to illness
近义give in to / yield to / surrender to
反义resist / withstand / overcome
Many small businesses eventually succumb to pressure from larger competitors in the market.
许多小企业最终屈服于市场上更大竞争对手的压力。
29in principle
大体上，原则上
讲解表示从理论或原则上讲如此，常与实际情况形成对比，写作中常用于让步。
搭配in principle agree / in principle support / on principle
近义in theory / theoretically / on paper
反义in practice / in reality
In principle, the new policy benefits everyone, but its actual effects remain uncertain.
原则上，新政策使所有人受益，但其实际效果仍不确定。
30physical rehabilitation
身体康复
讲解指通过训练和治疗帮助患者恢复身体机能的康复过程，医学与社会话题常用。
搭配undergo physical rehabilitation / a physical rehabilitation programme
近义physiotherapy / physical therapy
派生rehabilitate (v.) / rehabilitative (adj.)
After the accident, he spent six months in physical rehabilitation to regain his strength.
事故之后，他花了六个月进行身体康复以恢复体力。
31fragile environment
脆弱的环境
讲解多用于环保、生态类雅思写作话题，强调环境易受破坏且难以恢复
搭配fragile ecosystem, fragile balance, protect the fragile environment
近义vulnerable environment, delicate environment
反义robust environment, resilient environment
派生fragility n. 脆弱性
Tourism has put enormous pressure on the fragile environment of this coastal region.
旅游业给这个沿海地区脆弱的环境带来了巨大压力。
32distinguish...from...
把…与…区别开
讲解常用结构 distinguish A from B，也可说 distinguish between A and B，写作中表辨别差异
搭配distinguish right from wrong, distinguish between A and B, clearly distinguish
近义tell...from..., differentiate...from...
反义confuse...with..., mix up...with...
派生distinguishable adj. 可区分的
It is often difficult for young children to distinguish fantasy from reality.
幼儿往往很难把幻想与现实区分开来。
33revert to
恢复成；归还
讲解revert to 后接名词或动名词，表回到（不好的）旧状态，也可指财产归还
搭配revert to old habits, revert to the original state, revert to nature
近义return to, go back to
反义break away from, move away from
派生reversion n. 恢复；回归
After the treatment, the patient may revert to his old habits of smoking.
治疗之后，病人可能会恢复吸烟的旧习惯。
34burn out
燃尽，耗尽
讲解既可指人精力耗尽（疲惫不堪），也可指火、灯燃尽，口语写作均常用
搭配burn out from overwork, burn yourself out, burnt-out adj. 精疲力竭的
近义wear out, exhaust oneself
反义recharge, refresh oneself
派生burnout n. 职业倦怠
Many young doctors burn out within a few years because of long working hours.
许多年轻医生因工作时间过长而在几年内就身心俱疲。
35cognitive scientist
认知科学家
讲解指研究思维、记忆、语言等认知过程的科学家，多用于学术类阅读写作
搭配a leading cognitive scientist, cognitive science research
近义psychologist, neuroscientist
派生cognitive science 认知科学
Cognitive scientists study how the human brain processes and stores information.
认知科学家研究人脑如何加工和储存信息。
36tree ring (
树木的)年轮
讲解常用复数 tree rings，指树木横截面上的一圈圈纹路，可推断树龄与气候
搭配study tree rings, count tree rings, tree-ring analysis
近义growth ring, annual ring
派生tree-ring dating 年轮断代
By studying tree rings, scientists can estimate the age of ancient forests.
通过研究树木年轮，科学家可以估算古老森林的年龄。
37engage with
与…建立密切关系
讲解engage with sb/sth 强调主动接触并建立联系，常用于教育、社会议题写作。
记忆联想 engage(订婚/吸引) → 把注意力“订”在某人身上，即建立关系。
搭配engage with the audience, engage with local communities, engage with new ideas
近义interact with, connect with, involve oneself in
反义ignore, avoid, disengage from
派生engagement, engaging, engaged
Teachers should engage with students rather than simply deliver lectures from the front of the room.
教师应当与学生建立互动关系，而不是只在教室前面单纯地讲课。
38dengue fever
登革热(一种传染病)
讲解不可数名词，首字母常大写；由伊蚊传播，写作中多用于公共卫生话题。
记忆谐音“登革”即音译；fever 表发热症状。
搭配contract dengue fever, an outbreak of dengue fever, dengue fever cases
近义breakbone fever（旧称）
派生dengue（单独使用亦指该病）
Dengue fever spreads rapidly in tropical cities where standing water allows mosquitoes to breed.
在积水让蚊虫大量繁殖的热带城市，登革热传播得很快。
39entertainment programme
娱乐节目
讲解英式拼写 programme，美式 program；泛指一类节目时可用复数或加 a。
记忆programme 源自“节目单”，entertainment 表娱乐，二者直译即娱乐节目。
搭配a popular entertainment programme, produce an entertainment programme, TV entertainment programmes
近义entertainment show, variety show
反义news programme, documentary
Many parents worry that endless entertainment programmes leave children with little time for reading.
许多家长担心没完没了的娱乐节目让孩子几乎没有时间阅读。
40frequency range
频率范围
讲解科技类名词短语，常与 wide/broad/narrow 搭配，用于描述声音、电磁波等。
记忆frequency(频率) + range(范围)，字面即“频率的范围”。
搭配a wide frequency range, within the frequency range, extend the frequency range
近义frequency band, frequency spectrum
派生frequency response, high-frequency, low-frequency
This microphone can capture sounds across a wide frequency range, from deep bass to sharp treble.
这个麦克风能捕捉从低沉低音到尖锐高音的宽广频率范围。
41breach of fiduciary responsibility
违反信托责任
讲解法律与商业高频表达，指受托人未履行对受益人的忠实与谨慎义务。
记忆fiduciary 源自拉丁语 fides(信任)，故为“基于信任的责任”。
搭配commit a breach of fiduciary responsibility, allege a breach of fiduciary duty, fiduciary responsibility towards clients
近义breach of fiduciary duty, breach of trust
派生fiduciary, fiduciary duty, beneficiary
The fund manager was sued for a breach of fiduciary responsibility after investing clients' money recklessly.
该基金经理在轻率投资客户资金后，因违反信托责任而被起诉。
42annual insurance
年险
讲解指按年投保、一年一缴的保险；insurance 不可数，常与 take out/buy 搭配。
记忆annual(每年的) + insurance(保险)，即按年计费的保险。
搭配take out annual insurance, annual insurance premium, annual insurance policy
近义yearly insurance, annual cover
反义one-off insurance, single-trip insurance
Buying annual insurance for your laptop is often cheaper than renewing a policy every few months.
为笔记本电脑购买年险通常比每隔几个月续保一次更便宜。
43viable alternative
可行的替代性选择
讲解用于比较论证，强调替代方案切实可行，写作Task 2环保类话题常用。
搭配a viable alternative to sth; offer/provide a viable alternative
近义a feasible option; a practical substitute
反义an impractical choice
Solar power has become a viable alternative to fossil fuels in many countries.
在许多国家，太阳能已成为化石燃料的一种可行替代选择。
44historical discipline
历史学科
讲解指以历史为研究对象的学科领域，常与academic/established等词连用。
搭配an established historical discipline; the study of a historical discipline
近义a branch of history
派生disciplinary (adj.)
Many scholars argue that history remains a vital historical discipline in modern education.
许多学者认为，历史学在现代教育中仍是一门重要的历史学科。
45sonar system
声纳系统
讲解sonar为缩写词（sound navigation and ranging），科技类阅读常见。
搭配a sonar system detects; install a sonar system
近义underwater detection system
派生sonar-equipped (adj.)
The submarine relies on a sophisticated sonar system to map the ocean floor.
这艘潜艇依靠一套精密的声纳系统来测绘海底。
46give out
分发；散发
讲解多义短语：分发物品；也可指用尽、发出（声音、光、热）。注意语境辨义。
搭配give out leaflets; give out a signal; give out heat
近义hand out; distribute
反义collect; gather
Volunteers gave out free water bottles to runners at the marathon finish line.
志愿者在马拉松终点线向跑者分发免费瓶装水。
47price volatility
价格波动
讲解经济类高频搭配，指价格频繁大幅波动，写作Task 2经济话题常用。
搭配reduce price volatility; market volatility
近义price fluctuation; market instability
反义price stability
High price volatility in the housing market makes long-term planning difficult.
房地产市场剧烈的价格波动使长期规划变得困难。
48lethal threat
致命威胁
讲解强调威胁的严重性与致命性，比serious threat语气更强，适合议论文。
搭配pose a lethal threat to; a lethal threat to wildlife
近义a deadly threat; a fatal danger
反义a minor risk
Climate change poses a lethal threat to many low-lying island nations.
气候变化对许多低洼岛国构成致命威胁。
49circular ornamental pond
环形的装饰性水池
讲解描述景观建筑时用，circular 强调几何形状，ornamental 说明非实用而供观赏
搭配circular ornamental pond, a decorative pond, a reflecting pool
近义decorative pool, landscaped pond
派生ornament n. 装饰品 / ornamental adj. 装饰性的
The circular ornamental pond in the palace garden reflects the sky like a mirror.
宫殿花园里的环形装饰水池像镜子一样倒映着天空。
50marine-debris working group
海洋废弃物工作组
讲解环保话题高频表达，working group 指为特定任务设立的专项小组
搭配marine-debris working group, set up a working group, plastic pollution
近义task force, committee on marine litter
派生debris n. 碎片、废弃物
The marine-debris working group proposed stricter rules on plastic waste disposal.
海洋废弃物工作组提出了更严格的塑料废物处理规定。
51guard rail
防护栏
讲解交通安全语境常用，guard rail 指路侧或桥梁边缘的金属防护栏
搭配install a guard rail, roadside guard rail, safety barrier
近义crash barrier, safety railing
派生guard v. 防护 / rail n. 栏杆
The guard rail along the highway prevented the car from falling off the cliff.
高速公路旁的防护栏阻止了汽车坠下悬崖。
52eradicate famine
消除饥荒
讲解雅思写作社会话题高分搭配，eradicate 比 remove 更正式，强调彻底根除
搭配eradicate famine, eradicate poverty, wipe out hunger
近义eliminate starvation, end hunger
反义cause famine, aggravate hunger
派生eradication n. 根除 / famine n. 饥荒
International cooperation is essential if we are to eradicate famine in developing regions.
如果我们要消除发展中地区的饥荒，国际合作至关重要。
53seasonal products
季节性商品
讲解商业与消费话题常用，seasonal 强调随季节变化而上市或供应
搭配seasonal products, seasonal fruit, seasonal demand
近义seasonal goods, in-season items
反义year-round products, all-season goods
派生season n. 季节 / seasonally adv. 季节性地
Many supermarkets discount seasonal products such as pumpkins and chestnuts in autumn.
许多超市在秋季对南瓜、栗子等季节性商品打折。
54aeronautics professor
航空学教授
讲解学术与科技话题用词，aeronautics 指航空学，与 astronautics 航天学区分
搭配aeronautics professor, study aeronautics, aerospace engineering
近义aviation expert, aerospace lecturer
派生aeronautics n. 航空学 / aeronautical adj. 航空的
The aeronautics professor explained how aircraft wings generate lift during takeoff.
这位航空学教授解释了飞机机翼在起飞时如何产生升力。
55come to the fore
涌现；崭露头角
讲解多用于正式语境，表示某事物变得重要或受关注，常与 issue、concern 等搭配
记忆fore 意为"前部"，来到前面即"崭露头角"
搭配come to the fore, bring sth to the fore, thrust into the fore
近义emerge, become prominent, take center stage
反义fade away, recede
Environmental concerns have come to the fore in recent political debates across Europe.
在最近欧洲的政治辩论中，环境问题已经凸显出来。
56fairy tale
童话故事
讲解可作定语修饰 tale、story、ending 等，fairy-tale ending 常指不切实际的完美结局
记忆fairy 仙女 + tale 故事，仙女讲的故事即童话
搭配fairy tale, fairy-tale ending, fairy-tale castle
近义folk tale, myth, legend
派生fairy-tale (adj.)
Many children grow up listening to fairy tales that teach moral lessons.
许多孩子听着教导道德寓意的童话故事长大。
57mineral vein
矿脉
讲解地质学专业术语，vein 本义为血管，引申指矿脉、纹理
记忆vein 与血管同形，矿脉如血管般分布岩层中
搭配rich mineral vein, exploit a vein, a vein of gold
近义ore deposit, lode, seam
派生veined (adj.)
Geologists discovered a rich mineral vein deep beneath the desert surface.
地质学家在沙漠地表深处发现了一条丰富的矿脉。
58rapid deactivation
迅速失活
讲解化学与材料领域术语，deactivation 指活性丧失，常与 catalyst、enzyme 搭配
记忆de- 去除 + activation 激活，即失去活性
搭配rapid deactivation, catalyst deactivation, thermal deactivation
近义inactivation, loss of activity
反义activation, reactivation
派生deactivate (v.), deactivated (adj.)
The catalyst showed rapid deactivation after only a few hours of use.
该催化剂仅使用几个小时后便迅速失活。
59in permanent compression
始终处于压力之下
讲解地质与工程用语，compression 指压缩、挤压，permanent 强调持续不变
记忆com- 共同 + press 压，一起压即压缩
搭配in compression, under compression, compression ratio
近义under constant pressure, compressed state
反义in tension, in expansion
The rock layers remain in permanent compression due to tectonic forces.
由于构造力作用，这些岩层始终处于压力之下。
60manufacturing process
制造过程
讲解工业与商务高频表达，可指整个生产流程，常与 improve、 streamline 搭配
记忆manufacture 制造 + process 流程
搭配manufacturing process, streamline the process, production process
近义production process, fabrication process
派生manufacture (v.), manufacturer (n.)
Automation has greatly improved efficiency in the modern manufacturing process.
自动化极大地提高了现代制造过程的效率。