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B2 noun /ˈmeɪnstriːm/

mainstream

主流
Meaning
the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion or fashion
Example
Social media has become a mainstream source of news for many people.
社交媒体已经成为许多人获取新闻的主流来源。
B2 noun /ˈmæm.əl/

mammal

哺乳动物
Meaning
A warm-blooded animal with hair or fur, and females produce milk for their young.
Example
The whale is the largest mammal on Earth.
鲸鱼是地球上最大的哺乳动物。
B2 noun /ˈmɪz.ər.i/

Misery

痛苦; 极度贫困; 折磨
Meaning
Great mental or physical suffering; extreme unhappiness or distress
Example
The poor family lived in complete misery after losing their home.
失去家园后，这个贫困家庭生活在极度痛苦中。
B2 noun ˈmaɪnd.set

mindset

思维方式
Meaning
The established set of attitudes held by someone.
Example
A growth mindset helps individuals embrace challenges.
成长型思维帮助个人接受挑战。
B2 noun /ˈmɑːr.tɪn/

Martin

雨燕
Meaning
small swift-flying bird that catches insects on the wing
Example
The martin built its nest under the bridge.
雨燕在桥下筑巢。
B2 noun ˈmɒn.ə.ki

monarchy

君主制
Meaning
A form of government with a monarch at the head, where supreme power is held by a single person such as a king or queen.
Example
The monarchy was abolished during the revolution.
君主制在革命期间被废除。
B2 noun /mɪl/

mill

磨坊
Meaning
a building equipped with machinery for grinding grain or manufacturing goods
Example
The old flour mill has been converted into a museum.
那座老面粉厂已被改建为博物馆。
B2 noun /ˈmɪn.ɪ.stri/

Ministry

部委
Meaning
A government department responsible for a particular area of public administration
Example
The Ministry of Education announced new policies for schools.
教育部宣布了新的学校政策。
B2 noun ˈmʌltiˌtɑːskɪŋ

multitasking

多任务处理
Meaning
The performance of more than one task at the same time
Example
Multitasking reduces efficiency.
多任务处理降低了效率。
B2 noun /ˈmʌtn/

Mutton

羊肉
Meaning
meat from an adult sheep; lamb meat
Example
The restaurant serves delicious mutton curry with rice.
餐厅提供美味的羊肉咖喱配米饭。
B2 adjective /ˈmɪd.əl.eɪdʒd/

Middle-aged

中年
Meaning
being of an age between young and old; typically between 40-60 years old
Example
The middle-aged man started a new career.
那位中年男子开始了一项新事业。
B2 verb /məˈnɪpjʊleɪt/

manipulate

操控
Meaning
to handle or control skillfully; to influence someone in a clever way
Example
She can manipulate the software to create stunning graphics.
她可以操控软件，创造出令人惊叹的图形。
B2 verb /mɒk/

mock

嘲笑
Meaning
To make fun of someone or something in a cruel or unkind way.
Example
The students mocked his accent during class.
学生们在课堂上嘲笑他的口音。
B2 noun /ˈmɜːrdərər/

murderer

凶手
Meaning
a person who unlawfully kills another human being with intent
Example
The murderer was caught by the police within hours.
凶手在几个小时内被警方逮捕。
B2 noun /ˈmɑːrdʒɪn/

Margin

边缘; 边际
Meaning
The edge or border of something; an amount allowed beyond what is needed
Example
Please write your notes in the margin of the page.
请在页面的边缘写下你的笔记。
B2 noun /ˈmɛntɔːr/

mentor

导师
Meaning
an experienced person who advises and guides someone less experienced
Example
She acted as a mentor for the new employees.
她担任新员工的导师。
B2 adjective /mæɡˈnɛtɪk/

magnetic

磁性
Meaning
having the power to attract metal objects or to attract people or things in a strong way
Example
The magnetic field of the Earth protects us from harmful solar radiation.
地球的磁场保护我们免受有害的太阳辐射。
B2 adjective /ˈmɪθɪkəl/

Mythical

神话的
Meaning
existing only in myths or legends; imaginary or fictitious
Example
Dragons are mythical creatures that appear in many cultures.
龙是神话中的生物，出现在许多文化中。
B2 noun ˈmɒnjʊmənt

monument

纪念碑
Meaning
A statue, building, or other structure erected to commemorate a notable person or event.
Example
A monument should honor his contributions.
纪念碑应该纪念他的贡献。
B2 noun /məˈræl.ə.ti/

Morality

道德
Meaning
principles concerning the distinction between right and wrong behavior
Example
The debate focused on the morality of the decision.
辩论集中在决策的道德性上。
B2 noun /ˈmɛmoʊ/

memo

Meaning
a written message, typically in a business setting
Example
He wrote a memo to the staff about the upcoming meeting.
B2 adjective /ˈmæskjəlɪn/

masculine

男性
Meaning
having qualities traditionally associated with men
Example
He has a deep, masculine voice.
他有着深沉的男性嗓音。
B2 noun /məˈtʃʊrəti/

Maturity

成熟
Meaning
The state of being mature; full development physically or emotionally
Example
With age comes wisdom and emotional maturity.
随着年龄的增长，智慧和情感成熟随之而来。
B2 verb ম্যানিফেস্ট

manifest

表现
Meaning
To show or demonstrate clearly; to become evident or apparent.
Example
Symptoms of De Quervain's Syndrome may manifest after prolonged phone use.
De Quervain综合症的症状可能在长时间使用电话后显现出来。
B2 adjective /mɪsˈliːdɪŋ/

misleading

误导性的
Meaning
giving the wrong idea or impression
Example
The advertisement was misleading and gave false information.
广告具有误导性，并提供了虚假的信息。
B2 noun /ˌmɛθəˈdɑlədʒi/

methodology

方法论
Meaning
A system of methods used in a particular area of study or activity.
Example
The research was conducted using a new methodology.
这项研究是使用新方法论进行的。
B2 noun /meɪz/

Maze

迷宫
Meaning
A network of paths designed as a puzzle; a confusing situation
Example
The children got lost in the corn maze at the harvest festival.
孩子们在丰收节的玉米迷宫里迷路了。
B2 verb /maʊnt/

mount

安装
Meaning
to climb up, rise, or fix something in place
Example
They plan to mount a camera on the wall.
他们计划在墙上安装一台摄像机。
B2 noun ˈmaɪl.stəʊn

milestone

里程碑
Meaning
An important event or stage in the development, progress, or history of something.
Example
This discovery is a milestone in biotechnology.
这个发现是生物技术中的一个里程碑。
B2 noun /ˈmæd.nəs/

Madness

疯狂; 疯狂的行为;
Meaning
the state of being mentally ill, especially severely; extremely foolish behavior
Example
It would be madness to drive in this storm.
在这场风暴中开车是疯狂的。
B2 verb /mɛnd/

mend

修补
Meaning
To repair something that is broken or damaged.
Example
She learned to mend her torn dress.
她学会了修补她撕破的裙子。
B2 noun /ˈmɪs.tʃɪf/

Mischief

恶作剧
Meaning
Playful behavior that causes minor trouble or annoyance but is not meant to cause serious harm
Example
The children were full of mischief during the summer holidays.
孩子们在暑假期间充满了恶作剧。
B2 noun /mɪkst ˈkʌlər/

Mixed colour

混合色
Meaning
a color created by combining two or more different colors
Example
The mixed colour created a beautiful gradient on the canvas.
混合色在画布上创造了美丽的渐变。
B2 adverb /ˈmiːn.taɪm/

Meantime

与此同时
Meaning
during the time between two events; in the period of time between now and when something else happens
Example
The food will be ready in an hour; in the meantime, we can watch TV.
食物将在一个小时内准备好；在此期间，我们可以看电视。
B2 adjective /ˈmæn.dəˌtɔːr.i/

mandatory

强制性的
Meaning
required by law or rules; compulsory
Example
Wearing seat belts is mandatory in most countries.
在大多数国家，佩戴安全带是强制性的。
B2 noun /moʊd/

Mode

模式；方式
Meaning
a way or manner in which something occurs or is done; a setting
Example
The computer has a sleep mode to save energy.
计算机具有节能的睡眠模式。
B2 verb /ˈmɑːdɪfaɪ/

modify

修改
Meaning
to change or alter something; to make partial changes
Example
We need to modify the plan to include more details.
我们需要修改计划以包括更多细节。
B2 noun /ˈmænʃən/

mansion

幸福
Meaning
a large, impressive house
Example
The billionaire lives in a luxurious mansion overlooking the ocean.
她无法掩饰收到奖项时的幸福感。
B2 noun /meɪz/

Maize

玉米
Meaning
a tall cereal plant bearing large grains on a cob; corn
Example
Farmers in the region grow maize as their primary crop for both food and animal feed.
该地区的农民将玉米作为主要作物，既用于食物也用于动物饲料。
B2 noun /ˈmeɪn.tən.əns/

maintenance

维护
Meaning
The process of keeping something in proper working condition; upkeep.
Example
Regular maintenance increases the lifespan of machines.
定期维护可延长机器的寿命。
B2 adverb /ˈmɔːrəli/

Morally

道德上
Meaning
in accordance with principles of right and wrong behavior; ethically
Example
She felt morally obligated to help the refugees.
她感到道德上有责任帮助难民。
B2 verb /mɔːrn/

mourn

哀悼
Meaning
To feel or express deep sadness or grief, especially because of someone's death.
Example
They gathered to mourn the loss of their friend.
他们聚集在一起，悼念他们朋友的离世。
B2 noun /ˈmɪks.tʃər/

Mixture

混合物
Meaning
a combination of different substances or elements
Example
The cake batter is a mixture of flour, eggs, and milk.
蛋糕面糊是面粉、鸡蛋和牛奶的混合物。
B2 verb /ˌmɪsˈjuːz/

misuse

滥用
Meaning
To use something incorrectly or for the wrong purpose.
Example
Misusing social media profiles can harm relationships.
滥用社交媒体资料可能会破坏关系。
B2 verb ˈmɪnɪmaɪz

minimize

最小化
Meaning
Reduce (something, especially something unwanted or unpleasant) to the smallest possible amount or degree.
Example
Efforts should be made to minimize plastic usage.
应该采取措施来减少塑料使用。
B2 adjective /ˈmɛʒərd/

measured

衡量
Meaning
carefully considered and deliberate
Example
She spoke in a calm, measured tone.
她以冷静和衡量的语气说话。
B2 noun /ˈmɪsaɪl/ or /ˈmɪsəl/

missile

导弹
Meaning
a weapon that is self-propelled and directed toward a target
Example
The army launched a missile towards the enemy base.
军队向敌军基地发射了一枚导弹。
B2 verb /maɪˈɡreɪt/

migrate

Meaning
To move from one region or habitat to another, especially regularly according to the seasons or for work.
Example
Birds migrate south during the winter.
B2 adjective /məˈtjʊr/

mature

成熟
Meaning
fully developed or grown, especially emotionally or intellectually
Example
She has become a mature and confident leader.
她已经成为一位成熟且自信的领导者。
B2 noun məˈmɔːriəl

memorial

纪念碑
Meaning
A structure or building made to remind people of a person or event.
Example
Thousands gather at the National Memorial.
成千上万的人聚集在国家纪念碑前。
B2 noun /məˈkænɪks/

mechanics

力学
Meaning
the branch of physics concerned with the motion of objects and the forces acting on them; also refers to the practical details of how something works
Example
He studied the mechanics of the machine before fixing it.
在修理机器之前，他研究了这台机器的力学。
B2 noun /ˈmæstəri/

Mastery

精通; 专长;
Meaning
Great skill or expertise in a subject or activity
Example
His mastery of the violin impressed audiences around the world.
他在小提琴上的造诣给全球观众留下了深刻印象。
B2 adjective /mɪr/

mere

仅仅
Meaning
Used to emphasize how small or insignificant something is.
Example
It was a mere suggestion, not a command.
这只是一个建议，而不是命令。
B2 noun /ˈmɛtəfɔːr/

metaphor

幸福
Meaning
A figure of speech in which a word or phrase is applied to something to which it is not literally applicable.
Example
Time is a thief is a common metaphor for how quickly life passes.
当她获得奖项时，她无法掩饰自己的幸福。
B2 noun /ˈmʌs.tərd/

Mustard

芥末
Meaning
A pungent seed or condiment made from ground mustard seeds
Example
She added mustard seeds to the curry for extra flavor.
她将芥末种子加入咖喱中，以增添更多风味。
B2 noun /ˈmaɪ.ɡrənt/

migrant

移民
Meaning
A person who moves from one place to another, especially to find work or better living conditions.
Example
Many migrants travel long distances to find employment.
许多移民旅行很长的距离以寻找工作。
B2 noun /ˈmʊzlɪm/

muslim

穆斯林
Meaning
a follower of Islam
Example
He is a devout Muslim.
他是一个虔诚的穆斯林。
B2 noun /ˌmedɪˈkeɪʃən/

medication

药物
Meaning
a drug or other form of medicine used to treat or prevent disease
Example
The doctor prescribed medication for his headache.
医生为他的头痛开了药物。
B2 noun /mɪθ/

myth

神话
Meaning
A traditional story explaining natural or social phenomena, often involving supernatural beings; a widely held but false belief.
Example
The myth of the phoenix tells of a bird reborn from its ashes.
凤凰的神话讲述了一只从灰烬中重生的鸟。
B2 adjective ˈmem.ər.ə.bəl

memorable

值得记住的
Meaning
Worth remembering or easily remembered, especially because of being special or unusual.
Example
Memorable events inspire generations.
值得记住的事件激励着一代又一代。
B2 noun /ˈmæstərpiːs/

Masterpiece

杰作
Meaning
A work of outstanding artistry, skill, or workmanship
Example
The Mona Lisa is considered one of the greatest masterpieces of all time.
蒙娜丽莎被认为是所有时代最伟大的杰作之一。
B2 noun /ˈmet.roʊ reɪl/

Metro Rail

地铁
Meaning
an underground urban railway system; subway system
Example
The metro rail connects all major areas of the city efficiently.
地铁有效地连接了城市的所有主要区域。
B2 noun /ˌmɪs.ʌn.dəˈstæn.dɪŋ/

Misunderstanding

误解
Meaning
A failure to understand something correctly; a disagreement or confusion between people
Example
The argument was caused by a simple misunderstanding.
争论是由一个简单的误解引起的。
B2 noun /ˈmɪnərəl/

mineral

矿物
Meaning
a naturally occurring substance that is solid and inorganic, often used in industry or nutrition
Example
Calcium is an important mineral for strong bones.
钙是一种对强壮骨骼很重要的矿物。
B2 adjective /ˌmɛtrəˈpɑːlɪtən/

metropolitan

大都市
Meaning
Relating to a large city, its surrounding areas, or its lifestyle.
Example
She moved to a metropolitan area for better job opportunities.
她为了更好的工作机会搬到了大都市区域。
B2 adjective /ˌmʌl.tiˈpɜː.pəs/

Multipurpose

多用途的
Meaning
having multiple uses or functions; versatile
Example
This multipurpose tool can be used as a knife, screwdriver, and bottle opener.
这个多功能工具可以用作刀子、螺丝刀和开瓶器。
B2 noun /məʊˈbɪləti/

mobility

流动性
Meaning
The ability to move or be moved freely and easily; the quality of being mobile.
Example
The mobility of workers is essential for the success of the project.
工人的流动性对项目的成功至关重要。
B2 noun /maɪˈɡreɪʃən/

migration

迁徙
Meaning
the movement of people or animals from one place to another, often for better living conditions or seasonal reasons
Example
The annual migration of birds is a fascinating natural event.
鸟类的年度迁徙是一个引人入胜的自然事件。
B2 noun /ˈmoʊ.tɪv/

Motive

动机; 原因; 驱动力
Meaning
a reason for doing something; what drives someone to act
Example
The police are investigating the motive for the crime.
警方正在调查犯罪的动机。
B2 adverb /ˈmɪzərəbli/

Miserably

糟糕地
Meaning
in a wretched or unhappy manner; extremely badly
Example
The team performed miserably in the championship.
队伍在锦标赛中表现得非常糟糕。
B2 adjective /ˌmænˈmeɪd/

manmade

人造的
Meaning
something created or built by humans rather than occurring naturally
Example
This lake is manmade, not natural.
这个湖是人造的，不是自然的。
B2 noun /moʊˈmɛn.təm/

momentum

动能
Meaning
The quantity of motion of a moving body; the impetus and driving force gained by the development of a process or course of events.
Example
The company gained momentum after launching a new product.
公司在推出新产品后获得了动能。
B2 noun /mjuːl/

Mule

骡子
Meaning
the offspring of a donkey and a horse, used as a working animal
Example
The farmer used a mule to carry heavy loads.
农民用骡子搬运重物。
B2 noun /ˈmæt.rəs/

Mattress

床垫
Meaning
a large rectangular pad for supporting the reclining body, used as or on a bed
Example
We bought a new mattress for our bedroom.
我们为我们的卧室买了一个新床垫。
B2 verb /ˈmeməraɪz/

memorize

记住
Meaning
to learn something by heart; to commit to memory
Example
Students need to memorize important formulas for the exam.
学生需要记住重要的公式以备考试。
B2 noun /ˈməʊtərɪst/

motorist

驾驶员
Meaning
a person who drives a motor vehicle, especially a car or motorcycle
Example
The motorist stopped to help after seeing the accident on the highway.
驾驶员在高速公路上看到事故后停下来帮忙。
B2 noun /məˈlɛəriə/

malaria

疟疾
Meaning
a serious infectious disease spread by mosquitoes, causing fever, chills, and sweating
Example
Malaria is a common disease in tropical regions.
疟疾在热带地区是一种常见疾病。
B2 noun /mɒsk/

mosque

清真寺
Meaning
A Muslim place of worship.
Example
They gathered at the mosque for the Friday prayer.
他们在清真寺集会进行星期五的祷告。
B2 noun /ˌmɛdɪˈteɪʃən/

meditation

冥想
Meaning
The practice of focusing the mind to achieve calmness, clarity, or spiritual growth.
Example
She practices meditation every morning to start her day peacefully.
她每天早上练习冥想，开始她的平静一天。
B2 adjective /mɑːrkt/

Marked

显著的; 明显的; 独特的
Meaning
clearly noticeable; distinct; obvious
Example
There was a marked improvement in her performance.
她的表现有了显著的改善。
B2 verb /ˈmɑː.vəl/

marvel

惊叹
Meaning
To be filled with wonder or astonishment.
Example
People marvel at their surroundings.
人们对他们的周围环境感到惊叹。
B2 noun ˈmɒn.ɪ.tər.ɪŋ

monitoring

监控
Meaning
The action of observing and checking the progress or quality of something over a period of time.
Example
Monitoring ensures compliance with standards.
监控确保符合标准。
B2 adjective /ˈmɪnɪməm/

minimum

最小值
Meaning
The least or smallest amount or quantity possible, attained, or required.
Example
This year saw a minimum unemployment rate.
今年的失业率达到了最低点。
B2 noun ˈmɑːr.kɪt ɪˈkɒn.ə.mi

market economy

市场经济
Meaning
An economic system where production and pricing decisions are controlled by individuals and based on supply and demand.
Example
A market economy allows businesses to compete freely.
市场经济允许企业自由竞争。
B2 noun /ˈmɔːl.tə/

Malta

血橙
Meaning
a sweet citrus fruit similar to orange, also known as blood orange or sweet orange
Example
Malta is a popular citrus fruit in Bangladesh known for its sweet taste and high vitamin C content.
Malta 在孟加拉国是一种广受欢迎的柑橘类水果，以其甜味和高维生素C含量而闻名。
B2 noun /ˈmaɪnɪŋ/

mining

采矿
Meaning
the process of extracting valuable minerals or other resources from the earth
Example
Mining in this area has increased in recent years.
该地区的采矿业近年来有所增加。
B2 noun /mʌŋk/

Monk

僧侣
Meaning
a man who is a member of a religious community living under vows
Example
The monk spent hours in meditation each day.
那位僧侣每天花几个小时冥想。
B2 noun /ˌmɒdəˈreɪʃən/

moderation

Meaning
The avoidance of excess or extremes; keeping balance or within reasonable limits.
Example
He drinks wine in moderation.
B2 noun /mæt/

Mat

垫子
Meaning
a piece of coarse material placed on a floor for people to wipe their feet on
Example
Please wipe your feet on the mat before entering.
请在进入前擦干净脚上的垫子。
B2 adjective /ˈmjuːtʃuəl/

Mutual

相互
Meaning
shared by two or more parties; reciprocal
Example
They have a mutual respect for each other.
他们彼此有相互尊重。
B2 noun /ˈmɛr.ɪt/

Merit

优点; 美德; 值得表扬的品质
Meaning
The quality of being particularly good or worthy, especially deserving praise, reward, or attention
Example
She was promoted based on her merit and hard work.
她是基于自己的优点和努力工作获得晋升的。
B2 noun /ˈmɜːrsi/

Mercy

仁慈
Meaning
Compassion or forgiveness shown toward someone whom it is in one's power to punish
Example
The judge showed mercy and gave him a lighter sentence.
法官展现了仁慈，并给了他更轻的判决。
B2 adjective məˈriːn

marine

海洋的
Meaning
Of, relating to, or characteristic of the sea; living or growing in the sea.
Example
Marine ecosystems are highly sensitive to human activity.
海洋生态系统对人类活动非常敏感。
B2 noun /mɑːrz/

Mars

火星
Meaning
The fourth planet from the Sun; the Roman god of war
Example
Scientists are planning a manned mission to Mars in the next decade.
科学家们正在计划在下一个十年进行载人火星任务。
B2 noun /ˈmɑːrkər/

marker

马克笔，标记笔
Meaning
an object used to indicate a position, place, or boundary; a pen with a thick tip used for writing or drawing
Example
He used a red marker to underline the important points.
他用红色马克笔强调了重要的要点。
B2 noun /ˌmænjəˈfæktʃərɪŋ/

manufacturing

制造业
Meaning
the process of making products on a large scale using machinery
Example
The country is investing heavily in the manufacturing sector.
该国正在大力投资制造业。
B2 noun /məˈstɑːʃ/

Moustache

胡须
Meaning
hair that grows on the upper lip of men
Example
He grew a thick moustache for the play.
他为剧本长出了浓密的胡子。
B2 adjective /ˌmʌltɪˈlɪŋɡwəl/

multilingual

多语种
Meaning
Able to speak or written in several languages.
Example
She grew up in a multilingual household.
她在一个多语言的家庭中长大。
B2 noun /mɪˈθɒlədʒi/

mythology

Meaning
A collection of myths, especially belonging to a particular culture or religion.
Example
Greek mythology is filled with stories of gods and heroes.
B2 noun /ˌmɪsbɪˈheɪvjər/

misbehavior

不当行为
Meaning
bad or improper behavior
Example
The teacher punished the student for his misbehavior.
老师因学生的不当行为而惩罚了他。
B2 verb /ˈmɒdənaɪz/

modernize

现代化
Meaning
To adapt something to modern needs or styles; to update or improve.
Example
The company plans to modernize its IT infrastructure.
公司计划现代化其IT基础设施。
B2 noun /ˈmɑːrkɪtˌpleɪs/

marketplace

市场
Meaning
a place where goods and services are bought and sold; an open area for trade
Example
The town's marketplace is crowded every Friday morning.
城市的市场每个星期五早上都很拥挤。
B2 adjective /ˌmæθəˈmætɪkəl/

mathematical

数学的
Meaning
relating to mathematics or the use of mathematics
Example
The mathematical equation was difficult to solve.
数学方程式很难解。
B2 adverb /ˈmen.tə.li/

Mentally

心理上
Meaning
relating to the mind; in terms of mental processes
Example
She was mentally preparing herself for the exam.
她正在为考试做心理准备。
B2 noun /maɪˈnɔːr.ɪ.ti/

minority

少数
Meaning
A smaller number or part, especially a group differing from the majority.
Example
The law aims to protect the rights of ethnic minorities.
法律旨在保护少数民族的权利。
B2 adjective /mjuːt/

Mute

哑的; 无法说话的; 没有声音
Meaning
silent; unable to speak; without sound
Example
He remained mute during the entire meeting.
他在整个会议期间保持沉默。
B2 noun /məˈʃiː.nər.i/

machinery

Meaning
machines collectively, or the parts of a machine; also, the system or process by which something works
Example
The factory invested in new machinery to increase production.
B2 adjective /məˈkænɪkəl/

mechanical

幸福
Meaning
relating to machines or the way they work
Example
She has a good understanding of mechanical systems.
当她收到奖项时，她无法掩饰自己的幸福。
B2 adverb /ˈmɒdərətli/

moderately

适度地
Meaning
to a reasonable extent, not excessively
Example
She exercises moderately to stay healthy.
她适度地锻炼以保持健康。
B2 noun /ˌmʌltɪplɪˈkeɪʃən/

multiplication

乘法
Meaning
the mathematical process of combining numbers to get a product; the act of increasing in number or amount
Example
Multiplication is one of the basic operations taught in elementary mathematics.
乘法是小学数学中的基本运算之一。
B2 noun ˈmoʊ.baɪl sɪˈkjʊr.ə.ti

mobile security

移动安全
Meaning
Protection of mobile devices and the data stored on them from security threats.
Example
Strong mobile security protects personal information.
强大的移动安全保护个人信息。
B2 noun /ˈmɒdəreɪtər/

moderator

主持人
Meaning
A person who leads or oversees discussions, debates, or forums to maintain order.
Example
The moderator asked each panelist to share their views.
主持人让每位小组成员分享他们的观点。
B2 noun /ˈmɛkəˌnɪzəm/

mechanism

机制
Meaning
A system of parts working together in a machine; a process or technique for achieving something.
Example
The mechanism of the clock stopped working after years of use.
钟表的机制在多年使用后停止工作。
B2 noun /ˈmeɪnˌlænd/

mainland

Meaning
the principal landmass of a country or continent, as opposed to the surrounding islands
Example
The mainland of Australia is home to most of its population.
B2 adjective /ˈmænɪdʒəbəl/

Manageable

可管理的；可控制的
Meaning
able to be controlled or dealt with; feasible
Example
The workload is manageable if we plan properly.
工作负载是可管理的，如果我们正确规划。
B2 noun /məˈskiː.toʊ net/

Mosquito-net

蚊帐
Meaning
a fine mesh fabric used to cover beds or windows to keep mosquitoes and other insects out
Example
We use a mosquito net to protect ourselves from insect bites.
我们使用蚊帐来保护自己，防止被虫子叮咬。
B2 noun /ˈmɔːr.nɪŋ/

Mourning

哀悼
Meaning
the expression of deep sorrow for someone who has died
Example
The family is in mourning for their grandmother.
家人为他们的祖母哀悼。
B2 noun /ˈmɒlɪkjuːl/

molecule

分子
Meaning
The smallest unit of a chemical compound that retains its chemical properties.
Example
A water molecule is made up of two hydrogen atoms and one oxygen atom.
一个水分子由两个氢原子和一个氧原子组成。
B2 noun /ˈmaɪnə(r)/

miner

矿工
Meaning
a person who works in a mine, extracting minerals or other resources
Example
The miner worked in the coal mine for many years.
矿工在煤矿工作了很多年。
B2 adjective /ˌmiː.diˈiː.vəl/

medieval

中世纪的
Meaning
Relating to the Middle Ages, the period in European history from about the 5th to the 15th century.
Example
The castle is a famous medieval monument.
这座城堡是一个著名的中世纪纪念碑。
B2 noun ˈmɛn.təl ˈfoʊ.kəs

mental focus

心理集中
Meaning
The ability to concentrate deeply on a specific task or thought; mental concentration and attention.
Example
Meditation improves mental focus and cognitive performance.
冥想提高心理集中和认知表现。