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C1 adverb /maɪˈnjuːtli/

Minutely

仔细地
Meaning
in very small detail; extremely carefully
Example
The detective examined the evidence minutely.
侦探仔细地检查了证据。
C1 noun /ˌmjuːnɪsɪˈpæləti/

municipality

Meaning
a city or town that has its own local government
Example
The municipality is planning to build a new library.
C1 adjective məˈdʒes.tɪk

Majestic

雄伟的
Meaning
Having impressive beauty, dignity, or grandeur; regal and stately in appearance.
Example
The majestic Himalayas stand tall against the sky.
雄伟的喜马拉雅山高耸在天空中。
C1 adjective /ˈmɒsi/

Mossy

覆盖苔藓的；生苔的
Meaning
covered with moss; having moss growing on it
Example
The old tree trunk was mossy and covered with green vegetation.
这棵老树干上覆盖着苔藓，并且被绿色植物覆盖。
C1 noun /miːlˈjuː/

milieu

环境
Meaning
A person's social environment or surroundings.
Example
She grew up in an artistic milieu.
她在艺术的环境中长大。
C1 noun ˌmɒd.ɪ.fɪˈkeɪ.ʃənz

modifications

修改
Meaning
The action of making partial or minor changes to something.
Example
DNA modifications enable enhanced traits in crops.
DNA修改使作物的特征得到增强。
C1 noun /mɔːˈtæləti/

mortality

死亡率
Meaning
the state of being subject to death; the death rate of a population
Example
Advancements in medicine have reduced child mortality significantly.
医学的进步显著降低了婴儿死亡率。
C1 adjective /ˈmeɪkˌʃɪft/

makeshift

临时
Meaning
used as a temporary substitute; improvised
Example
They used boxes as a makeshift table.
他们用箱子作为临时桌子。
C1 noun ˈmæŋɡroʊv ˈfɒrɪst

Mangrove Forest

红树林
Meaning
A coastal forest ecosystem characterized by salt-tolerant trees and shrubs that grow in intertidal zones.
Example
Sundarbans is the world's largest mangrove forest.
孙达班是世界上最大的红树林。
C1 noun /ˈmelənkəli/

Melancholy

忧郁; 深思熟虑的悲伤
Meaning
A feeling of pensive sadness; thoughtful or gentle sadness
Example
A deep melancholy settled over him after reading the old letters.
读完旧信后，他感到一阵深深的忧郁。
C1 adjective /ˌmed.iˈiː.vəl/

Mediaeval

中世纪的
Meaning
relating to the Middle Ages; medieval
Example
The castle displayed mediaeval architecture and design.
城堡展示了中世纪的建筑风格和设计。
C1 noun /maɪt/

mite

螨虫
Meaning
a very small creature, often a tiny arachnid; also used to mean a very small amount
Example
The mattress was infested with dust mites.
床垫里有尘螨。
C1 adjective /ˌmɪsəˈleɪniəs/

Miscellaneous

各种各样的; 混合的; 多样的
Meaning
various; diverse; mixed; assorted
Example
The box contained miscellaneous items from different periods.
盒子里有不同时间段的各种物品。
C1 noun /ˌmælnuːˈtrɪʃən/

Malnutrition

营养不良; 缺乏营养
Meaning
Lack of proper nutrition; poor nourishment
Example
Malnutrition among children is a serious public health concern.
儿童营养不良是一个严重的公共卫生问题。
C1 verb /ˈmʌtər/

mutter

低声说
Meaning
to speak in a low or barely audible voice, often in dissatisfaction or irritation
Example
He muttered something under his breath as he walked away.
他低声咕哝着什么，走开了。
C1 noun ˈmɪl.ɪ.tər.i ɪnˈkɜː.ʃən

military incursion

军事入侵
Meaning
A sudden armed attack or invasion by military forces into a territory.
Example
The military incursion caused widespread devastation.
军事入侵造成了广泛的破坏。
C1 verb məˈnɒp.ə.laɪz

monopolize

垄断
Meaning
Control exclusively, dominate market.
Example
The company tried to monopolize the market.
该公司试图垄断市场。
C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən

marginalization

边缘化
Meaning
The treatment of a person, group, or concept as insignificant or peripheral.
Example
Economic policies should address the marginalization of the poor.
经济政策应解决贫困者的边缘化问题。
C1 verb /ˈmæsəkər/

massacre

大屠杀
Meaning
to kill a large number of people brutally; to defeat decisively
Example
The army massacred the innocent civilians.
军队大屠杀了无辜的平民。
C1 noun /məˈrɑːl/

Morale

士气; 精神
Meaning
the confidence, enthusiasm, and discipline of a person or group
Example
The team's morale improved after the victory.
团队的士气在胜利后得到了提高。
C1 noun /ˈmɪs.hæp/

Mishap

不幸; 意外; 事故
Meaning
An unlucky accident or unfortunate event, typically minor
Example
The cooking mishap resulted in a burnt dinner.
烹饪失误导致了晚餐烧焦。
C1 adjective /ˈmɜːki/

murky

浑浊
Meaning
Dark, gloomy, and difficult to see through; obscure.
Example
We avoided swimming in the murky river.
我们避免在浑浊的河水中游泳。
C1 noun ˈmiːdiə ˈdɒmɪnəns

media dominance

媒体主导地位
Meaning
The control and powerful influence that media has over communication and information distribution in society.
Example
The internet has enhanced media dominance globally.
互联网增强了全球媒体主导地位。
C1 adjective/noun nɪˈmɒn.ɪk

mnemonic

助记符，记忆技巧
Meaning
Assisting or intended to assist memory; a device or technique to aid memory.
Example
A mnemonic device helps students remember complex concepts.
助记符有助于学生记住复杂的概念。
C1 noun /ˈmælədi/

Malady

病; 疾病; 麻烦
Meaning
A disease or ailment; a serious problem
Example
The doctor diagnosed a rare malady that affected her nervous system.
医生诊断出一种罕见的疾病，影响了她的神经系统。
C1 noun /ˈmɒk.ər.i/

Mockery

嘲笑; 讽刺;
Meaning
teasing and contemptuous language or behavior; ridicule
Example
His speech was met with mockery from the audience.
他的演讲遭到了观众的嘲笑。
C1 verb /ˌmɪsˈriːd/

misread

误读
Meaning
to read something incorrectly or interpret wrongly
Example
He misread the instructions and built the shelf incorrectly.
他误读了指示，结果错误地建造了架子。
C1 noun /ˈmɒnəˌlɒɡ/

monologue

独白
Meaning
A long speech by one person, often in a play or performance.
Example
The actor delivered a powerful monologue on stage.
演员在舞台上做了一个强有力的独白。
C1 noun /meər/

Mare

母马
Meaning
an adult female horse
Example
The beautiful mare galloped across the meadow.
美丽的母马在草地上飞奔。
C1 noun /ˌmæn.ɪ.fɛsˈteɪ.ʃən/

manifestation

表现
Meaning
A visible form or expression of an idea, concept, or feeling; the action of displaying or showing.
Example
His generosity was a manifestation of his kind nature.
他的慷慨是他善良本性的表现。
C1 adjective /ˈmɑːrʃəl/

martial

军事的
Meaning
Related to war, soldiers, or military life.
Example
The country imposed martial law during the crisis.
该国在危机期间实施了戒严法。
C1 verb /ˈmɛzməˌraɪz/

mesmerize

迷住
Meaning
To capture complete attention; to hypnotize or fascinate.
Example
The dancer's graceful movements mesmerized the audience.
舞者优雅的动作迷住了观众。
C1 noun nɪˈmɒnɪks

mnemonics

记忆法，助记符
Meaning
A technique to aid memory; a device such as a pattern of letters, ideas, or associations
Example
Mnemonics help in remembering complex concepts easily.
助记符帮助轻松记住复杂的概念。
C1 adjective /məˈroʊs/

morose

忧郁
Meaning
sullen, gloomy, or ill-tempered
Example
He became morose after losing his job.
他在失业后变得沉闷。
C1 adjective, noun /ˈmɑːrʃən/

martian

火星人
Meaning
Related to the planet Mars; or an imaginary being from Mars.
Example
The movie showed a Martian visiting Earth.
电影展示了一个火星人访问地球。
C1 noun /ˈmælɪs/

Malice

恶意; 仇恨; 敌意;
Meaning
The intention or desire to do evil; ill will
Example
There was no malice in his criticism, just honest feedback.
他的批评中没有恶意，只是诚实的反馈。
C1 noun /ˈmɛm.wɑːr/

memoir

回忆录
Meaning
A historical account or autobiography written from personal experience.
Example
The author’s memoir details her journey through hardship and success.
作者的回忆录详细描述了她通过困难和成功的旅程。
C1 noun /ˈmiːnnəs/

Meanness

恶意; 吝啬
Meaning
The quality of being unkind, spiteful, or unfair; stinginess
Example
His meanness towards the poor children shocked everyone in the neighborhood.
他对贫困孩子的恶意让邻里的人都感到震惊。
C1 noun /ˈmjuːtɪni/

mutiny

叛乱
Meaning
an open rebellion against authority, especially by soldiers or sailors
Example
The sailors staged a mutiny against their captain.
水手们发动了对他们船长的叛乱。
C1 noun /ˈmɪlɪtəˌrɪzəm/

militarism

军事主义
Meaning
The belief in maintaining a strong military and using it aggressively to defend or promote national interests.
Example
The rise of militarism in the region caused tension among neighboring countries.
该地区军事主义的兴起引发了邻国之间的紧张局势。
C1 noun/adjective /ˈmɒnəkrəʊm/

monochrome

单色
Meaning
A photograph, painting, or screen image in black and white or varying tones of one color.
Example
The old film was shot entirely in monochrome.
那部老电影完全是用单色拍摄的。
C1 noun /mɒb/

Mob

暴民; 一个采取暴力行动的群体
Meaning
a large crowd of people; a group that acts in a violent way
Example
An angry mob gathered outside the building.
一群愤怒的暴民聚集在大楼外。
C1 noun /ˈmaɪkrəʊˌklaɪmæt/

microclimate

微气候
Meaning
The climate of a small, specific area that may differ from the general climate of the surrounding region, often influenced by local factors like terrain, vegetation, or buildings.
Example
A microclimate can have a significant impact on plant growth.
微气候可能对植物的生长产生重要影响。
C1 noun /ˈmʌf.lər/

Muffler

围巾
Meaning
a long strip of cloth worn around the neck for warmth
Example
She wrapped a warm muffler around her neck before going outside.
她在出门前围上了一个温暖的围巾。
C1 noun /moʊˈtiːf/

motif

Meaning
A recurring theme, subject, or idea in a work of art or literature.
Example
The motif of love is central to the novel.
C1 noun /mɑːrʃ/

Marsh

沼泽
Meaning
An area of low-lying land that is flooded in wet seasons or at high tide
Example
The endangered birds built their nests in the protected marsh.
濒危的鸟类在受保护的沼泽中筑巢。
C1 verb /ˈmʌmbəl/

mumble

Meaning
To speak quietly and not clearly so that words are difficult to understand.
Example
He mumbled an apology before leaving.
C1 verb /ˈmɪŋɡl/

mingle

Meaning
to mix or combine; to move among people and engage socially
Example
Guests mingled at the party, chatting and laughing together.
C1 verb /mɔːrf/

morph

变形
Meaning
to change smoothly from one form, shape, or character into another
Example
The caterpillar will morph into a butterfly.
毛毛虫将变成一只蝴蝶。
C1 noun /ˈmɒŋ.ɡuːs/

Mongoose

獴
Meaning
a small carnivorous mammal known for its ability to kill venomous snakes
Example
The mongoose quickly attacked the cobra to protect its young.
獴迅速攻击了眼镜蛇，以保护它的幼崽。
C1 noun /ˈmɒnəʊˌkʌltʃər/

monoculture

单一种植
Meaning
The agricultural practice of growing only one type of crop over a large area and for many consecutive years, which can lead to increased vulnerability to pests and diseases.
Example
Monoculture can lead to soil depletion and increased pest vulnerability.
单一种植可能导致土壤退化并增加对害虫的脆弱性。
C1 noun /mɪsˈɡɪv.ɪŋ/

Misgiving

疑虑; 担忧; 不确定
Meaning
A feeling of doubt or apprehension about the outcome or consequences of something
Example
She had serious misgivings about accepting the job offer.
她对于接受工作邀请有严重的疑虑。
C1 adjective /ˈmjuːtɪd/

muted

柔和的
Meaning
softened in sound, color, or effect; subdued
Example
The room was painted in muted shades of blue and grey.
房间用蓝色和灰色的柔和色调粉刷。
C1 noun ˈmaɪ.krəʊˌnjuː.tri.ənt

micronutrient

微量营养素
Meaning
Essential nutrients required by the body in small amounts, including vitamins and minerals.
Example
Iron and zinc are essential micronutrients for growth.
铁和锌是促进生长所需的微量营养素。
C1 noun /ˈmɪl.ɪ.tənt/

Militant

激进分子
Meaning
A person who uses aggressive or violent methods to promote a political or social cause
Example
The militant group demanded immediate political reforms.
激进分子组织要求立即进行政治改革。
C1 adverb /ˈmɪdweɪ/

Midway

中途; 在中间
Meaning
halfway; at or to the middle point
Example
The project is midway through completion.
项目正在完成的过程中。
C1 noun /məˈnɒtəni/

monotony

单调
Meaning
Lack of variety and interest; tedious repetition and routine.
Example
Breaking the monotony of everyday life can improve mental health.
打破日常生活的单调可以改善心理健康。
C1 noun /ˈmɑːrtərdəm/

Martyrdom

殉道
Meaning
The suffering of death on account of adherence to a cause or principle
Example
His martyrdom inspired countless others to join the freedom movement.
他的殉道激励了无数其他人加入自由运动。
C1 noun /ˈmeɪhɛm/

mayhem

混乱
Meaning
Violent or extreme disorder; chaos and destruction.
Example
The protest turned into mayhem when the crowd clashed with the police.
当抗议者与警方发生冲突时，抗议活动变成了混乱。
C1 noun /ˈmɛləˌdrɑːmə/

melodrama

夸张的戏剧
Meaning
A dramatic piece with exaggerated characters and exciting events intended to appeal to the emotions.
Example
The movie was criticized for its excessive melodrama.
这部电影因其过度的戏剧性而受到批评。
C1 noun /ˈmoʊ.tər ˈlɔː.ri/

Motor lorry

摩托卡车
Meaning
a large motor vehicle used for transporting goods; truck
Example
The motor lorry delivered fresh vegetables to the market.
这辆摩托卡车将新鲜蔬菜送到市场。
C1 noun ˈmetəl kənˌtæməˈneɪʃən

metal contamination

金属污染
Meaning
The presence of toxic metals in the environment that pose health and environmental risks.
Example
Metal contamination poses severe health risks.
金属污染对健康构成严重威胁。
C1 adjective /məˈnɒtənəs/

Monotonous

单调的; 无聊的; 重复的
Meaning
lacking in variety; tediously unvarying; boring and repetitive
Example
The monotonous sound of the rain made everyone feel sleepy.
雨的单调声音让每个人都感到困倦。
C1 verb, noun /ˈmʌstər/

muster

聚集 / 集合勇气
Meaning
to gather people, especially soldiers; to summon courage or strength
Example
He mustered enough courage to face the challenge.
他积聚了足够的勇气来面对挑战。
C1 noun ˌmɪtɪˈɡeɪʃən ˈstrætədʒiz

mitigation strategies

缓解策略
Meaning
Plans and actions designed to reduce the severity or impact of problems or risks.
Example
Governments must adopt mitigation strategies for climate change.
政府必须为气候变化采取缓解策略。
C1 verb /mæʃ/

mash

捣碎
Meaning
to crush or mix food into a soft mass, usually by pressing or beating
Example
She mashed the potatoes before serving dinner.
她在上菜前把土豆捣碎了。
C1 noun /ˈmenəs/

Menace

威胁
Meaning
A person or thing that is likely to cause harm; a threat
Example
The reckless driver was a menace to everyone on the road.
那个鲁莽的司机对路上的每个人构成了威胁。
C1 noun /ˈmɛm.breɪn/

membrane

膜
Meaning
A thin layer of tissue or material that covers, separates, or connects structures.
Example
The cell membrane controls the movement of substances in and out of the cell.
细胞膜控制物质进出细胞的运动。
C1 noun /mɜːrθ/

mirth

欢乐
Meaning
Great joy, amusement, or laughter.
Example
The festival was full of mirth and laughter.
这个节日充满了欢乐和笑声。
C1 adjective /ˈmaɪzərli/

miserly

吝啬
Meaning
Unwilling to spend money; stingy.
Example
She lived a miserly life, refusing to buy anything new.
她过着吝啬的生活，拒绝购买任何新东西。
C1 adjective /məˈtɪk.jə.ləs/

meticulous

在注意细节方面非常小心和精准
Meaning
Extremely careful and precise in attention to detail
Example
A meticulous researcher checks every detail before publishing.
一个一丝不苟的研究者在发表之前会检查每个细节。
C1 adjective /miːk/

Meek

温和而顺从; 谦虚; 耐心
Meaning
gentle and submissive; humble; patient
Example
Despite his power, he remained meek and humble.
尽管他有权力，但他依然保持谦逊与温和。
C1 noun ˌmʌn.ɪ.taɪˈzeɪ.ʃən

monetization

将资产或服务转化为赚取金钱的方式
Meaning
Converting an asset or service into a way of earning money.
Example
YouTube allows content creators to earn money through monetization.
YouTube 允许内容创作者通过货币化赚取收入。
C1 verb /ˌmɪsˈmænɪdʒ/

mismanage

Meaning
to handle or control something badly or inefficiently
Example
The company went bankrupt because it was mismanaged for years.
C1 noun /ˌmiːtiəˈrɒlədʒi/

meteorology

气象学
Meaning
The scientific study of the atmosphere and weather.
Example
He chose to specialize in meteorology to study weather patterns.
他选择专攻气象学，以研究天气模式。
C1 verb /ˈmʌd.əl/

muddle

搞乱
Meaning
to mix things up in a confused way or to make a mess of something
Example
He muddled the papers and couldn’t find the report.
他把文件搞乱了，找不到报告。
C1 adjective ˌmɒn.jʊˈmɛn.təl

monumental

极其重要的，巨大的或纪念性的
Meaning
Great in importance, extent, or size; exceptionally great; forming or serving as a monument.
Example
The discovery of electricity was a monumental achievement.
电的发现是一次纪念碑式的成就。
C1 noun /ˈmaɪlɪdʒ/

mileage

油耗
Meaning
The distance traveled in miles, or the fuel efficiency of a vehicle.
Example
This car gives excellent mileage on highways.
这辆车在高速公路上的油耗表现优秀。
C1 verb /ˈmæd.ən/

madden

使发狂
Meaning
To make someone very angry or extremely annoyed.
Example
The constant noise maddened him.
持续的噪音让他发狂。
C1 noun /ˈmæl.ɪt/

Mallet

橡胶锤
Meaning
a hammer with a large head, typically made of wood
Example
The carpenter used a rubber mallet to avoid damaging the wood.
木匠使用橡胶锤来避免损坏木材。
C1 adjective /ˈmænɪfoʊld/

Manifold

多方面的
Meaning
many and of several different types; multiple; various
Example
The project has manifold benefits for the community.
这个项目对社区有多方面的好处。
C1 verb /məˈruːn/

maroon

遗弃在荒岛
Meaning
to leave someone trapped and isolated, especially on an island
Example
The sailors were marooned on a deserted island.
水手们被遗弃在一个荒岛上。
C1 verb, noun /mʊər/

moor

停泊 / 开阔的土地
Meaning
As a verb: to tie a ship so that it stays in place. As a noun: open, uncultivated land.
Example
The sailors moored the ship at the dock.
水手们把船停泊在码头。
C1 noun /ˈmeɪniə/

Mania

狂热; 极度的热情
Meaning
Mental illness marked by periods of great excitement; extreme enthusiasm
Example
She had a mania for collecting vintage postcards from around the world.
她有一个收集世界各地旧明信片的狂热。
C1 adjective /moʊˈmentəs/

Momentous

重要
Meaning
of great importance or significance; having far-reaching consequences
Example
The signing of the peace treaty was a momentous occasion for both countries.
和平条约的签署是两个国家的一个重要时刻。
C1 verb /ˌmɪsɪnˈtɜːrprɪt/

misinterpret

误解
Meaning
to understand or explain something wrongly
Example
He misinterpreted her silence as agreement.
他错误地将她的沉默解读为同意。
C1 noun /moʊt/

moat

护城河
Meaning
A deep, wide ditch surrounding a castle or town, often filled with water, for defense.
Example
The castle was protected by a wide moat filled with water.
城堡被一条充满水的宽护城河保护着。
C1 verb /ˈmɑːrdʒɪnəlaɪz/

marginalize

边缘化, 排除在外
Meaning
To treat a person or group as unimportant or insignificant.
Example
The policy marginalized minority communities.
政策将少数民族社区边缘化。
C1 adjective /ˈmæn.əd/

mannered

做作的 / 虚伪的
Meaning
Having or showing a particular manner, especially an artificial or affected one.
Example
The actor’s performance was too mannered to feel natural.
演员的表现太做作，无法显得自然。
C1 adjective /məˈlaɪn/

Malign

有害的；诽谤的
Meaning
evil in nature or effect; harmful; slanderous
Example
He spread malign rumors about his colleague.
他传播了关于他同事的有害谣言。
C1 adjective ˈmær.ɪ.taɪm

Maritime

海洋的
Meaning
Connected with the sea, especially in relation to seafaring commercial or military activity.
Example
Maritime trade enhances the economy.
海洋贸易促进了经济。
C1 noun /ˈmɒd.ə.sti/

Modesty

谦逊; 谦虚
Meaning
the quality of being humble and not boastful about achievements
Example
Despite his success, he showed great modesty.
尽管成功，他展示了极大的谦虚。
C1 noun /ˈmɪʃ.ən.ɛr.i/

Missionary

传教士
Meaning
A person sent on a religious mission to promote their faith in a foreign country
Example
The missionary spent years teaching and helping people in remote villages.
传教士在偏远的村庄度过了多年，教导并帮助人们。
C1 noun ˈmɑːrdʒɪnəlaɪzd ˌɪndɪˈvɪdʒuəlz

marginalized individuals

边缘化的个体
Meaning
People who are treated as insignificant or peripheral to society, often excluded from mainstream social, economic, or political activities.
Example
Marginalized individuals often face severe challenges.
边缘化的个体常常面临严峻的挑战。
C1 noun /ˈmɒnəlɪθ/

monolith

巨石
Meaning
A large single upright block of stone, or a large, powerful, indivisible organization or system.
Example
The ancient monolith stood in the desert for centuries.
古老的巨石在沙漠中屹立了几个世纪。
C1 noun /ˌmænɪˈfɛstoʊ/

manifesto

宣言
Meaning
a public declaration of policy and aims, especially by a political party
Example
The party released its manifesto before the election.
政党在选举前发布了其宣言。
C1 noun/adjective /ˈmæm.əθ/

mammoth

Meaning
An extinct large elephant-like animal with long curved tusks; also means something huge.
Example
The company faced a mammoth challenge during expansion.
C1 noun /ˈmænər/

manor

庄园大宅
Meaning
A large country house with lands; the main house of an estate.
Example
The old manor stood proudly on the hill for centuries.
那座古老的庄园几百年来自豪地矗立在山丘上。
C1 noun /ˈmɑːrtər/

Martyr

烈士
Meaning
A person who is killed because of their religious or political beliefs
Example
He became a martyr for the cause of freedom and democracy.
他为了自由和民主的事业成为了烈士。
C1 noun /ˈmoʊldɪŋ/

molding

装饰条
Meaning
A decorative strip or design, often used on walls, ceilings, or furniture.
Example
The wooden molding gave the room a classic look.
木质装饰条给房间带来了经典的外观。
C1 noun /ˈmætɪneɪ/

matinee

下午场
Meaning
A performance, especially a play or movie, that takes place in the afternoon.
Example
We bought tickets for the Sunday afternoon matinee.
我们买了周日下午场的票。
C1 adjective /ˈmɜː(r)dərəs/

Murderous

谋杀的; 有杀意的; 极其暴力的; 嗜血的
Meaning
having the intent to kill; extremely violent; bloodthirsty
Example
The murderous look in his eyes frightened everyone.
他眼中那谋杀的目光吓坏了所有人。
C1 adjective /məˈlɪʃəs/

Malicious

恶意的; 有害的
Meaning
having or showing a desire to cause harm to someone; spiteful
Example
The malicious software damaged many computers.
恶意软件损坏了许多计算机。
C1 adjective /ˈmaʊntɪnəs/

Mountainous

山区的
Meaning
having many mountains; characterized by mountains
Example
The mountainous region was difficult to travel through.
这个山区地区很难旅行。
C1 noun /mjuːˈteɪʃn/

mutation

突变，基因变异
Meaning
A change in form, structure, or nature, especially in genetics.
Example
Scientists discovered a genetic mutation that caused the disorder.
科学家发现了一种基因突变，导致了这种疾病。
C1 verb /mɑːrd/

marred

破坏
Meaning
to spoil or damage the quality or appearance of something
Example
The celebration was marred by bad weather.
庆祝活动因坏天气而受损。
C1 noun /meɪl treɪn/

Mail train

邮政列车
Meaning
a train that carries mail and postal packages
Example
The mail train departs every evening to deliver letters across the country.
邮件列车每天晚上发车，跨越全国递送信件。
C1 adjective /ˈmel.əʊ/

Mellow

柔和宜人; 放松温和
Meaning
soft and pleasant; relaxed and gentle
Example
The mellow evening light created a peaceful atmosphere.
温柔的晚霞创造了一个宁静的氛围。
C1 noun /mɪsˈɡɪvɪŋz/

misgivings

疑虑，担忧
Meaning
feelings of doubt or concern about the outcome or propriety of something
Example
She had serious misgivings about signing the contract.
她对签署合同有严重的疑虑。
C1 noun /ˈmiːdieɪtər/

Mediator

调解员
Meaning
A person who attempts to make people involved in a conflict agree
Example
The United Nations often acts as a mediator in international disputes.
联合国常常在国际争端中充当调解员。
C1 noun /məˈleɪz/

malaise

不适
Meaning
a general feeling of discomfort, illness, or unease whose exact cause is difficult to identify
Example
After the long journey, she felt a general malaise.
长时间旅行后，她感到一种普遍的不适。
C1 noun /ˈmɔːrtər/

mortar

用于粘接砖块的混合物 / 小型火炮
Meaning
a mixture used in building to bond bricks or stones together; also, a small cannon for firing shells
Example
The workers applied mortar between the bricks.
工人们在砖块之间涂抹了灰泥。
C1 noun /ˌmɑːr.kɪ.təˈbɪl.ə.ti/

marketability

市场适销性
Meaning
The possibility of commercial success for a product or service
Example
The new product's marketability depends on consumer demand.
新产品的市场适销性取决于消费者的需求。
C1 noun məˈriːn ˈsɜː.veɪ

marine survey

海洋勘测
Meaning
A systematic examination of the sea, seabed, and underwater features for the purpose of making maps or gathering other information.
Example
The marine survey identified the ideal cable routes.
海洋勘测确定了理想的电缆路线。
C1 noun /ˈmaɪzər/

miser

吝啬鬼
Meaning
A person who hoards wealth and spends as little money as possible.
Example
The old miser refused to donate even a penny to charity.
那个老吝啬鬼甚至不愿意捐赠一分钱给慈善。
C1 verb /məˈnuː.vər/

manoeuver

Meaning
To move skillfully or carefully; to guide or manipulate into a desired position.
Example
The driver skillfully manoeuvered the car through the narrow street.
C1 noun ˌmɪs.kənˈsɛp.ʃən

misconception

误解
Meaning
A wrong idea or false understanding about something.
Example
There is a common misconception that success happens overnight.
有一个常见的误解，认为成功是一天之内发生的。
C1 adverb /ˌmæθəˈmætɪkli/

mathematically

从数学上
Meaning
in a way that relates to mathematics; using numbers, formulas, or logical calculation
Example
The problem can be solved mathematically rather than by guesswork.
这个问题可以从数学上解决，而不是靠猜测。
C1 adjective /ˈmɜː.sɪ.ləs/

Merciless

冷酷无情; 残忍的;
Meaning
showing no mercy or pity; cruel and heartless
Example
The merciless dictator showed no compassion.
无情的独裁者没有显示任何同情。
C1 noun /ˌmɔːrəˈtɔːriəm/

moratorium

暂停令
Meaning
A temporary suspension or delay of an activity, law, or obligation.
Example
The government announced a moratorium on new mining licenses.
政府宣布对新矿业许可证实行暂停令。
C1 noun ˌmɒdɪfɪˈkeɪʃn

modification

修改
Meaning
The action of making changes to something.
Example
The plan required modification.
计划需要修改。