B2 noun /bækˈtɪəriəm/

bacterium

细菌

Meaning

A single microscopic organism belonging to the group of bacteria.

Example

The doctor explained that a single bacterium can multiply rapidly under the right conditions.

医生解释说，一个单一的细菌在适当的条件下可以迅速繁殖。

B2 noun, verb /striːk/

streak

条纹或线；快速移动至指定方向

Meaning

a long, thin line or mark; to move very quickly in a specified direction

Example

Lightning streaked across the night sky.

闪电划过夜空。

B2 verb /ɪˈlɛkt/

elect

选举

Meaning

To choose someone for a position or office by voting.

Example

The citizens elected a new president.

公民选举了新总统。

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 adjective /ˈsɪr.i.əl/

Serial

系列的; 连续的

Meaning

happening in a series; consecutive; arranged in order

Example

The serial killer was finally caught after years of investigation.

连环杀手在多年的调查后终于被捕。

B2 adjective ˌsɪm.əlˈteɪ.ni.əs

simultaneous

同时

Meaning

Occurring, operating, or done at the same time.

Example

Simultaneous crop failures affect global food supply.

同时的作物失败影响全球食品供应。

B2 noun ˈhɛr.ɪ.tɪdʒ

heritage

遗产

Meaning

Property that is or may be inherited; something transmitted by or acquired from a predecessor; cultural traditions and practices that are passed down.

Example

Bangladesh has a rich cultural heritage.

孟加拉国有着丰富的文化遗产。

B2 noun /kənˈvɜːrtər/

converter

转换器

Meaning

a device or person that changes something from one form, system, or use to another; a tool that converts data, energy, or materials

Example

The engineer used a converter to change AC power into DC power.

工程师使用转换器将交流电转换为直流电。

B2 verb /ɪnˈflɪkt/

inflict

施加

Meaning

to cause something unpleasant or painful to be suffered by someone or something

Example

The storm inflicted considerable damage to the city.

风暴对城市造成了相当大的破坏。

B2 noun /fɛər/

fare

车费

Meaning

the money paid for a journey on public transport; also food or treatment provided

Example

The bus fare to the city center is five dollars.

到市中心的公交车费是五美元。

B2 adjective /əˈlɛdʒd/

alleged

涉嫌的

Meaning

said or thought to be true, but not proven

Example

The alleged thief was caught by the police.

涉嫌的窃贼被警方抓获。

B2 adjective /ˌjuːnɪˈvɜːrsəl/

Universal

普遍的

Meaning

applicable to all cases; existing everywhere

Example

Music is a universal language that everyone understands.

音乐是一种普遍的语言，人人都能理解。

B2 noun /rɪˈsɪp.i.ənt/

Recipient

接收者

Meaning

a person who receives something

Example

She was the recipient of the prestigious award.

她是这个著名奖项的接收者。

B2 noun /ˈsɒlɪtjuːd/

solitude

孤独

Meaning

The state or situation of being alone.

Example

Solitude can provide the opportunity for deep reflection.

孤独可以提供深刻反思的机会。

B2 noun /ˈpæd.i/

Paddy

未加工的稻米; 稻田

Meaning

rice in its natural state before processing; a field where rice is grown

Example

The farmers worked hard in the paddy fields during harvest season.

农民们在收割季节里在稻田里辛勤工作。

B2 noun /ˈpær.ə.daɪs/

Paradise

天堂; 完美幸福的地方或状态; 理想的地方

Meaning

heaven; a place or state of perfect happiness; an ideal or perfect place

Example

The tropical island was like paradise for the tourists.

热带岛屿对游客来说就像天堂一样。

B2 noun /ræntʃ/

ranch

牧场

Meaning

a large farm where animals such as cattle or sheep are raised

Example

They own a huge cattle ranch in Texas.

他们在德克萨斯州拥有一个巨大的牧场。

B2 noun /ˌprɒpəˈzɪʃən/

proposition

提议, 计划

Meaning

A statement, idea, or plan put forward for consideration or discussion.

Example

The company made a business proposition to the investors.

公司向投资者提出了商业提议。

Meaning

a large printed sign used for advertisements or announcements

Example

The company displayed a banner to advertise their new product.

B2 noun /ˈbrɔːdˌkæstər/

broadcaster

广播员

Meaning

a person or organization that transmits a broadcast program.

Example

The broadcaster aired the match live to millions of viewers.

广播员将比赛实时转播给数百万观众。

B2 adjective /ˈfeɪθ.fəl/

Faithful

忠诚的; 忠实的; 可靠的

Meaning

loyal and committed; reliable; true to one's beliefs

Example

She remained faithful to her principles throughout her career.

她在整个职业生涯中始终忠诚于自己的原则。

B2 adverb /ɔːˈθentɪkli/

authentically

真实地

Meaning

in a genuine, real, or true manner; in a way that reflects true character or origin

Example

She speaks authentically about her experiences.

她真实地谈论自己的经历。

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 ˈɡrævɪti

gravity

重力

Meaning

The force that attracts a body toward the center of the earth, or toward any other physical body having mass.

Example

Gravity pulls objects towards the Earth's surface.

重力将物体吸引到地球表面。

B2 noun /ˈfɒsɪl/

fossil

化石

Meaning

the remains or impression of a prehistoric plant or animal embedded in rock

Example

The fossil of a dinosaur was discovered in the mountains.

在山中发现了一只恐龙化石。

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 /ˈsɛnətər/

senator

参议员

Meaning

a member of a senate, especially in a legislative body

Example

The senator spoke passionately about environmental policies.

参议员激情地谈论环境政策。

B2 noun /feɪz/

Phase

阶段; 变化或发展的过程中一个明确的阶段或时期

Meaning

a distinct period or stage in a process of change or development

Example

The project is now in its final phase.

该项目现在处于最后阶段。

B2 adjective ˈɡraʊndˌbreɪ.kɪŋ

groundbreaking

开创性

Meaning

Introducing new ideas or methods; innovative or pioneering.

Example

Groundbreaking advancements redefine innovation.

开创性进展重新定义创新。

B2 adverb /ˈkɒnsɪkwəntli/

consequently

因此

Meaning

as a result; therefore

Example

He didn’t study, and consequently he failed the exam.

他没有学习，因此他没通过考试。

B2 noun /ˈɔːɡən/

organ

器官

Meaning

a part of the body that performs a specific function

Example

The heart is an important organ in the human body.

心脏是人体重要的器官。

B2 noun /ˈbaɪoʊ ˌdeɪtə/

Bio-data

简历

Meaning

biographical data; a resume or curriculum vitae containing personal and professional information

Example

Please submit your bio-data along with the job application.

请将您的简历与求职申请一起提交。

B2 noun /ˈkaʊntərˌpɑːrt/

counterpart

对口人

Meaning

a person or thing that corresponds to or has the same function as another

Example

The CEO met with his counterpart in the partner company.

首席执行官与合作公司中的对口人会面。

B2 noun /ˈtreɪ.tər/

Traitor

叛徒

Meaning

a person who betrays someone or something, such as a friend, cause, or principle

Example

The spy was branded a traitor to his country after being caught.

间谍在被捕后被贴上了叛国者的标签。

B2 noun /jel/

Yell

叫喊; 尖叫; 哭喊

Meaning

a loud, sharp cry of pain, surprise, or delight; to shout loudly

Example

He let out a yell when he saw the spider.

他看到蜘蛛时发出了尖叫。

B2 noun ɪnˌdʌstrɪəlaɪˈzeɪʃən

industrialization

工业化

Meaning

The development of industries in a country or region on a wide scale.

Example

Industrialization changed the global economy dramatically.

工业化显著改变了全球经济。

B2 verb /ˌʌndərˈɡoʊ/

undergo

经历

Meaning

to go through something, especially something unpleasant or difficult

Example

She had to undergo surgery to recover.

她不得不接受手术以恢复。

B2 verb /əˈstaʊnd/

astound

使震惊

Meaning

to greatly surprise or amaze someone

Example

The magician's final trick astounded the audience.

魔术师的最后一个把戏使观众震惊。

B2 adjective /rɪˈstrɪk.tɪd/

Restricted

有限制的或控制的；受限制的

Meaning

limited or controlled; subject to restrictions

Example

Access to this area is restricted to authorized personnel only.

进入此区域仅限授权人员。

B2 verb /ˈstɑːrtl/

startle

吓到

Meaning

To surprise or frighten someone suddenly.

Example

The loud noise startled the children.

大声的噪音让孩子们吓了一跳。

B2 noun /dɔːn/

Dawn

黎明

Meaning

the first appearance of light in the sky before sunrise; the beginning or start of something

Example

The fishermen set out to sea before dawn to catch the morning tide.

渔民们在黎明前出海，赶上早潮。

B2 noun ˈvaɪtəl rɪˈsɔːrsɪz

vital resources

重要资源

Meaning

Essential assets or supplies that are crucial for survival and development.

Example

Water is one of Bangladesh's vital resources.

水是孟加拉国的重要资源之一。

B2 adjective /boʊld/

Bold

大胆; 自信; 勇敢

Meaning

brave; confident; daring

Example

He made a bold decision to start his own business.

他做出了大胆的决定，开始了自己的生意。

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 verb /ˈvɒmɪt/

vomit

呕吐

Meaning

to bring up food from the stomach through the mouth; to be sick

Example

The patient began to vomit after taking the medication.

病人在服药后开始呕吐。

B2 verb /kənˈvɜːs/

converse

交谈

Meaning

to have a conversation; to talk together

Example

They conversed about literature for hours.

他们谈了几个小时关于文学。

B2 noun /tɪˈlɑpiə fɪʃ/

Tilapia fish

罗非鱼

Meaning

a freshwater fish native to Africa, widely farmed for food due to its mild taste and fast growth

Example

Tilapia fish is one of the most commonly farmed fish species worldwide.

罗非鱼是世界上最常养殖的鱼类之一。

B2 noun /ˈswɛər wɜːrd/

swear-word

脏话

Meaning

An offensive or rude word used to express anger or frustration.

Example

He shouted a swear-word when he hit his toe.

当他撞到脚趾时，他大喊了一句脏话。

B2 noun /ˌnɒməˈneɪʃən/

nomination

提名

Meaning

The act of formally proposing someone for a role, position, or award.

Example

Her nomination for the award surprised everyone.

她的奖项提名让大家都感到惊讶。

B2 adjective /kɒzˈmɛt.ɪk/

cosmetic

化妆品

Meaning

relating to beauty or appearance; intended to improve looks

Example

She bought a new cosmetic cream for her skin.

她为她的皮肤买了一种新的化妆品。

B2 adjective /ˈsʌb.sɪ.kwənt/

subsequent

随后的

Meaning

Coming after something in time; following in time or order.

Example

Subsequent events clarified the outcomes.

随后的事件澄清了结果。

B2 adjective /əˈten.tɪv/

Attentive

专心的; 警觉的; 留心的

Meaning

careful to pay attention; alert and observant

Example

The attentive student listened carefully to every word the teacher said.

专心的学生仔细地听了老师说的每一个字。

B2 noun/verb /ˈwɒf.əl/

waffle

华夫饼 (食品), 含糊其辞

Meaning

as noun: a crisp cake with a pattern of deep squares; as verb: to speak or write vaguely without making a clear decision

Example

He kept waffling instead of making a decision.

他不断犹豫，而不是做决定。

B2 noun /ˈkəʊ.tɪŋ/

coating

涂层

Meaning

A protective or decorative layer applied to a surface.

Example

A protective coating prevents rust formation.

保护涂层可以防止生锈。

B2 noun /ˈlaɪ.səns/

Licence

许可证

Meaning

a permit from an authority to own or use something, do a particular thing, or carry on a trade

Example

You need a driving licence to operate a car.

你需要驾驶执照才能驾驶汽车。

B2 adjective /ˈθret.ən.ɪŋ/

Threatening

威胁的; 恐吓的

Meaning

expressing a threat; menacing; intimidating

Example

The dark clouds looked threatening before the storm.

暴风雨来临前，黑暗的云看起来威胁重重。

B2 adjective /ˈæp.lɪ.kə.bəl/

applicable

适用

Meaning

Relevant or appropriate in a particular situation.

Example

This rule is applicable to eye care too.

此规则也适用于眼部护理。

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 adjective /ˌɪnsɪˈkjʊə/

insecure

不安全的

Meaning

not confident or assured; uncertain and anxious

Example

She felt insecure about her performance in the exam.

她在考试中对自己的表现感到不安。

B2 adjective /ˈslɒp.i/

Sloppy

马虎的; 脏的; 不经心做的

Meaning

careless; messy; done without care or attention to detail

Example

His sloppy handwriting was difficult to read.

他的潦草字迹很难读。

B2 noun θrets

threats

威胁

Meaning

A statement of an intention to inflict pain, injury, damage, or other hostile action.

Example

Threats to food security are rising globally.

全球食品安全面临威胁。

B2 verb /ʃrɪŋk/

shrink

缩水

Meaning

to become smaller in size; to draw back in fear

Example

The sweater shrank after washing in hot water.

毛衣在热水中洗后缩水。

B2 noun /sfɪər/

sphere

球体

Meaning

a round, three-dimensional shape that is perfectly symmetrical around its center; an area of activity or knowledge

Example

The Earth is almost a perfect sphere.

地球几乎是一个完美的球体。

B2 verb /ˌmɪsbɪˈheɪv/

misbehave

行为不当

Meaning

to behave badly or inappropriately; to act in an unacceptable way

Example

The children misbehaved during the school assembly.

孩子们在学校集会上行为不当。

B2 noun ˌkɒn.ekˈtɪv.ɪ.ti

connectivity

连接性

Meaning

The state of being connected or interconnected; the capacity for the interconnection of platforms, systems, and applications.

Example

Improved connectivity boosts economic development.

改善的连接性促进了经济发展。

B2 adjective /ʌnˈprɒf.ɪ.tə.bl̩/

Unprofitable

无利可图

Meaning

not yielding profit or gain; not producing financial benefit

Example

The unprofitable business was forced to close down after three years.

这个无利可图的生意在三年后被迫关闭。

B2 noun /əˈsʌmpʃən/

Assumption

假设

Meaning

a thing that is accepted as true without proof; a supposition

Example

His assumption about the weather proved to be wrong.

他关于天气的假设被证明是错误的。

B2 noun /ˈlænd.leɪ.di/

Landlady

女房东

Meaning

a woman who rents out land, a building, or accommodation; a female property owner

Example

The friendly landlady provided fresh towels and showed us around the apartment.

友好的女房东提供了新鲜的毛巾，并带我们参观了公寓。

B2 noun /vəˈlɪd.ɪ.ti/

Validity

有效性

Meaning

the quality of being legally or officially acceptable; the quality of being logically or factually sound

Example

The validity of the contract expires next month.

合同的有效性将在下个月到期。

B2 verb/noun /vɛnt/

vent

排气 / 允许空气或气体流动的开口

Meaning

to release air, gas, or strong emotions; an opening that allows air, gas, or liquid to pass

Example

She vented her frustration after the long meeting.

她在长时间的会议后发泄了她的沮丧情绪。

B2 noun /ˈpɪlər/

pillar

支柱

Meaning

a strong vertical support or mainstay of a structure or system

Example

The ancient temple was supported by massive stone pillars.

古老的庙宇由巨大的石柱支撑。

B2 noun /θret/

Threat

威胁

Meaning

a statement of intention to inflict harm; a person or thing likely to cause danger

Example

The storm poses a serious threat to coastal areas.

暴风雨对沿海地区构成严重威胁。

B2 adjective /aɪˈdentɪkəl/

Identical

相同的; 完全一样的

Meaning

exactly the same; not different in any way

Example

The twins look completely identical to each other.

这对双胞胎看起来完全一样。

B2 noun /ˈdʒæn.ɪ.tər/

Janitor

清洁工, 看门人

Meaning

a person employed to clean and maintain a building; a caretaker

Example

The school janitor worked late every evening to ensure the classrooms were spotless.

学校的清洁工每天晚上都工作到很晚，以确保教室保持干净。

B2 noun /ɡriːnz/

Greens

绿叶蔬菜

Meaning

Leafy vegetables such as spinach, lettuce, and cabbage

Example

Eating greens is important for good health.

吃绿色蔬菜对健康很重要。

B2 adjective /ˌʌnˈkɔːrdɪneɪtɪd/

uncoordinated

不协调; 笨拙

Meaning

lacking coordination, not well-organized or clumsy in movement

Example

His movements were uncoordinated, making him prone to accidents.

他的动作不协调，使他容易发生意外。

B2 noun /ˈproʊtəkɔːl/

protocol

协议

Meaning

an official procedure or system of rules

Example

The security team followed strict protocol during the event.

安全团队在活动期间遵循了严格的协议。

B2 noun /ˈrɪk.ʃɔː/

Rickshaw

人力车

Meaning

a light two-wheeled passenger vehicle drawn by one or more people

Example

We took a rickshaw to reach the busy marketplace.

我们乘坐人力车前往繁忙的市场。

B2 adjective /ˈfɛdərəl/

federal

联邦的

Meaning

Relating to the central government of a federation.

Example

The federal government passed a new law on healthcare.

联邦政府通过了一项关于医疗保健的新法律。

B2 noun /ˈfer.i boʊt/

Ferry-boat

渡船

Meaning

a boat that carries passengers and vehicles across water

Example

We took the ferry-boat to cross the river.

我们坐渡船过河。

B2 noun /ˌkɒn.tɪˈnjuː.ɪ.ti/

continuity

连续性

Meaning

the state of being continuous or connected; consistency over time

Example

Maintaining continuity in leadership is essential for organizational stability.

在领导力中保持连续性对于组织稳定性至关重要。

B2 noun /ˈteɪkˌɔːf/

takeoff

起飞

Meaning

The moment an aircraft leaves the ground and begins to fly; also a sudden rise or start in activity or success.

Example

The plane's takeoff was delayed due to bad weather.

由于恶劣天气，飞机的起飞被延迟了。

B2 adverb /fɔːrθ/

forth

向前

Meaning

forward in place, time, or order

Example

The leader stepped forth to address the crowd.

领导走上前去与人群讲话。

B2 adjective æmˈbɪɡ.ju.əs

ambiguous

模糊的

Meaning

Having more than one possible meaning; unclear or vague.

Example

His statement was too ambiguous to understand.

他的声明模糊不清，无法理解。

B2 noun, verb /pɪə(r)/

peer

同级

Meaning

noun: a person of the same rank or status; verb: to look closely or with difficulty

Example

He tried to peer through the fog to see his peers on the other side.

他试图穿过雾气，看他的同伴在另一边。

B2 noun /faʊl/

Fowl

家禽

Meaning

a domesticated bird kept for meat or eggs; chicken or other poultry

Example

The farmer raised fowl in his backyard for fresh eggs and meat.

农民在后院养家禽，提供新鲜的鸡蛋和肉。

B2 noun ˈvɜː.tʃu.əl ˈklɑːs.ruːmz

virtual classrooms

虚拟教室

Meaning

An online learning environment where teachers and students interact via digital platforms.

Example

Virtual classrooms enable remote learning for students worldwide.

虚拟教室为全球学生提供远程学习的机会。

B2 verb /əˈlɛdʒ/

allege

声称

Meaning

to claim or assert something, typically without proof

Example

The witness alleged that the man was at the crime scene.

证人声称该男子在犯罪现场。

B2 adjective /trɔːˈmætɪk/

traumatic

创伤的

Meaning

Deeply distressing or disturbing, often related to emotional or physical injury.

Example

The accident was a traumatic experience for the entire family.

这场事故对整个家庭来说是一次创伤的经历。

B2 noun, verb /ˈplɑːstər/

plaster

石膏，修补

Meaning

a soft mixture applied to walls or used to cover wounds; or to cover or coat with plaster

Example

The workers plastered the walls to make them smooth.

工人们将墙壁涂上石膏，使其平滑。

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 /ˌsɪm.ɪˈlær.ə.ti/

Similarity

相似性; 类似性

Meaning

the quality or state of being similar; resemblance

Example

There is a striking similarity between the two paintings.

这两幅画之间有惊人的相似性。

B2 noun /tekˈnɒl.ə.dʒɪ.kəl ədˈvɑːns.mənt/

technological advancement

技术进步

Meaning

Progress or improvement in technology that leads to better solutions or capabilities.

Example

Technological advancement is revolutionizing healthcare.

技术进步正在革命化医疗保健。

B2 adjective /ˈstɜːrdi/

sturdy

坚固

Meaning

strongly and solidly built; not easily weakened

Example

The carpenter made a sturdy wooden table.

木匠做了一张坚固的木桌。

B2 noun /dɪˈsper/

Despair

绝望

Meaning

the complete loss or absence of hope; a state of feeling hopeless

Example

After losing his job, he fell into despair and couldn't see any way forward.

失去工作后，他陷入了绝望，无法看到前进的任何路。

B2 adjective /kəmˈpætəbl/

compatible

兼容

Meaning

Able to exist or work together without conflict; harmonious.

Example

This software is compatible with both Windows and Mac systems.

该软件与 Windows 和 Mac 系统兼容。

B2 adjective /suːˈpriːm/

Supreme

最高的

Meaning

highest in rank, authority, or quality; greatest; most important

Example

The Supreme Court made the final decision.

最高法院作出了最终决定。

B2 adjective /ˌnɒnˈprɒfɪt/

nonprofit

非营利组织

Meaning

an organization that does not aim to make a profit, often serving a social or charitable purpose.

Example

She works for a nonprofit organization that helps children.

她为一个帮助孩子的非营利组织工作。

B2 noun /ˈɜː.dʒən.si/

Urgency

紧急

Meaning

the quality of requiring immediate action or attention; pressing importance

Example

The urgency of the situation required immediate medical attention.

情况的紧急性要求立即的医疗关注。

B2 adverb /ˈdʌbli/

doubly

双重地

Meaning

in a twofold manner; to twice the degree

Example

She felt doubly fortunate after winning the prize and getting a promotion.

在赢得奖项并获得晋升后，她感到双倍幸运。

B2 adjective /ˌʌnrɪˈlaɪəbl/

Unreliable

不可靠的; 不能被信任或依赖

Meaning

not dependable; not able to be trusted or relied upon

Example

The old car is unreliable and breaks down frequently.

这辆老车不可靠，常常坏掉。

B2 verb /sniːk/

sneak

Meaning

to move quietly and secretly to avoid being noticed

Example

He tried to sneak into the house without waking anyone.

自治

Meaning

The right or condition of self-government; freedom from external control or influence.

Example

Autonomy was a primary demand.

自治是一个主要的要求。

B2 noun /dɪˈrɛktəri/