Backing
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B2 noun /ˈbækɪŋ/

Backing

支持
Meaning
help or support; financial or material support
Example
The project received backing from several major investors.
该项目获得了多个主要投资者的支持。
C1 adjective /ˈprɪs.tiːn/

pristine

原始的, 未被破坏的, 干净新鲜的
Meaning
In its original condition; unspoiled, clean, and fresh.
Example
The forest remains in a pristine condition.
森林保持着原始的状态。
B2 noun /ˌfer.ˈwel/

Farewell

告别
Meaning
an act of parting or of marking someone's departure
Example
The company organized a farewell party for the retiring manager.
公司为即将退休的经理举办了告别派对。
C2 noun /prɪˈpɒndərəns/

preponderance

优势
Meaning
The quality or fact of being greater in number, quantity, or importance.
Example
There was a preponderance of evidence against the defendant.
对被告有明显的证据优势。
A2 noun /dəˈrɛkʃən/ or /daɪˈrɛkʃən/

direction

方向, 指令
Meaning
the course or path on which someone or something is moving; instructions on what to do
Example
He asked for directions to the train station.
他询问了去火车站的方向。
C2 noun /ˈhækəlz/

hackles

Meaning
the hairs on the back of an animal’s neck that rise when it is angry or alarmed; figuratively, feelings of anger or resentment
Example
His rude comment raised my hackles.
B2 adjective /ˈθɔːr.ni/

Thorny

多刺的; 难以处理的
Meaning
having thorns; difficult to handle or deal with
Example
The thorny issue of budget cuts needs careful consideration.
预算削减的棘手问题需要仔细考虑。
C2 noun /ˈʌn.dɚˌstɔː.ri/

understory

下层植被
Meaning
The layer of vegetation beneath the main canopy of a forest.
Example
The understory of a rainforest is home to small mammals and insects.
雨林的下层植被是小型哺乳动物和昆虫的家园。
C2 noun /ˈvæsəl/

vassal

附庸
Meaning
A person or country in a subordinate position to another, especially in feudal times under a lord.
Example
The king granted land to his vassal in return for loyalty and service.
国王为他的附庸提供土地，以换取忠诚和服务。
B1 noun /kənˈviː.ni.əns/

Convenience

便利
Meaning
the state of being able to proceed with something without difficulty; a thing that contributes to an easy way of life
Example
The convenience of online shopping has changed how people buy products.
在线购物的便利改变了人们购买产品的方式。
B1 noun ˈdʒʌstɪs

justice

正义
Meaning
Just behavior or treatment; the quality of being fair and reasonable.
Example
Justice is sought by the oppressed characters in the story.
在故事中，受压迫的角色寻求正义。
C2 noun /pəˈtiːnə/

patina

由于年龄或使用，金属、石头或木材表面上的薄膜或光泽；也可以指一种表面外观
Meaning
a surface film or sheen on metal, stone, or wood due to age or use; also, a superficial appearance
Example
The bronze statue developed a green patina after years in the sea air.
这座青铜雕像在海风中多年后形成了绿色的铜绿。
A2 verb /hɑːrm/

harm

伤害
Meaning
to cause damage, injury, or hurt to someone or something
Example
Smoking can harm your health.
吸烟可能会损害你的健康。
B2 noun /ˈdʒuːələr/

jeweller

珠宝商
Meaning
a person who makes, repairs, or sells jewelry
Example
The jeweller crafted a beautiful gold ring.
这位珠宝商制作了一枚漂亮的金戒指。
C2 noun /ˈkreɪniəm/

cranium

颅骨
Meaning
the skull, especially the part enclosing the brain
Example
The archaeologists carefully examined the ancient cranium.
考古学家仔细检查了古老的颅骨。
C1 noun /ˈfoʊk.lɔːr/

folk-lore

民间传说
Meaning
The traditional beliefs, customs, stories, songs, and practices of a community, passed down through generations.
Example
Bangladeshi folk-lore is rich with myths and legends.
中国的民间传说充满了神话和传说。
C1 noun, adjective /ˌnɒn ˈrɛzɪdənt/

non-resident

非居民
Meaning
a person who does not live in a particular country or place permanently
Example
Non-resident students often pay higher tuition fees.
非居民学生通常支付更高的学费。
C2 verb /ˈtɪtər/

titter

轻声笑
Meaning
to laugh in a quiet, nervous, or restrained way
Example
The students began to titter when the projector froze.
学生们开始在投影仪卡住时窃笑。
C1 noun /ˈmæɡnɪtuːd/

Magnitude

震级；大小；重要性
Meaning
The great size or extent of something; importance
Example
The magnitude of the earthquake was measured at 7.5 on the Richter scale.
地震的震级在里氏规模上测量为7.5。
C2 verb /ˈstʌltɪfaɪ/

stultify

使某人或某物显得愚蠢，或阻碍效率和热情
Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
重复的任务似乎使工人的创造力变得迟钝。
C1 noun səˌfɪs.tɪˈkeɪ.ʃən

sophistication

高度复杂性或精致的程度
Meaning
High level of complexity or refinement.
Example
The sophistication of modern AI technology is remarkable.
现代人工智能技术的复杂性令人惊叹。
C2 noun /krəˈdjuːlɪti/

credulity

轻信
Meaning
A tendency to be too ready to believe that something is real or true.
Example
The scam succeeded because of the victim's credulity.
诈骗因受害人的轻信而成功。
C1 verb /ɪmˈpɛrɪl/

imperil

使处于危险中
Meaning
To put in danger or at risk.
Example
Reckless driving can imperil the lives of others.
鲁莽驾驶可能会危及他人的生命。
C2 noun /ɪmˈpɒs.tʃər/

Imposture

冒充; 欺诈; 欺骗
Meaning
the practice of deceiving others by pretending to be someone else; fraudulent deception
Example
The elaborate imposture lasted for months before investigators uncovered the truth.
这个精心设计的欺骗持续了几个月，直到调查员揭露了真相。
B2 adjective /ˈfæktʃuəl/

Factual

基于事实的; 真实的
Meaning
based on facts; accurate; true
Example
The report contains only factual information.
报告仅包含事实性的信息。
C2 adjective /ˈdəʊl.səm/

dolesome

悲伤
Meaning
Filled with grief or sadness; mournful.
Example
The dolesome ballad brought tears to their eyes.
那首悲伤的歌让他们眼中充满了泪水。
B1 noun /ˈprɛɡnənsi/

pregnancy

怀孕
Meaning
the condition of being pregnant; the period during which a woman carries a developing fetus
Example
Her pregnancy was carefully monitored by her doctor.
她的怀孕状况由医生仔细监测。
B1 adjective /ˈiːvəl/

evil

邪恶
Meaning
Profoundly immoral and wicked.
Example
They believed the villain was the embodiment of evil.
他们相信反派是邪恶的化身。
B2 adjective /ˌɪd.iˈɒt.ɪk/

Idiotic

愚蠢
Meaning
extremely stupid; foolish; senseless
Example
His idiotic behavior embarrassed everyone at the meeting.
他的愚蠢行为让会议上的所有人感到尴尬。
B2 adverb /ˌælfəˈbɛtɪkli/

alphabetically

按字母顺序
Meaning
in the order of the letters of the alphabet
Example
The names are listed alphabetically in the register.
这些名字在登记册中按字母顺序排列。
C2 noun /ˈvɪzɪdʒ/

visage

幸福
Meaning
A person's face or facial expression.
Example
Her stern visage intimidated the children.
她获得奖项时，无法掩饰她的幸福。
A2 noun /ˈbækɡraʊnd/

Background

背景
Meaning
the circumstances or situation that form the setting; a person's education, experience, or social circumstances
Example
She has a strong background in mathematics and computer science.
她在数学和计算机科学方面有着强大的背景。
B1 noun /ˈkɒtən/

cotton

幸福
Meaning
A soft white fibrous substance used to make cloth and thread.
Example
This shirt is made of pure cotton.
当她收到奖项时，她无法掩饰自己的幸福。
C2 noun ˌkɒdʒɪˈteɪʃən

cogitation

沉思, 思考
Meaning
The action of thinking deeply about something; contemplation
Example
After much cogitation, he made the final decision.
经过深思熟虑后，他做出了最终决定。
B2 noun /səbˈskrɪp.ʃən/

Subscription

订阅
Meaning
a payment for regular delivery of a service or product; an arrangement to receive something regularly
Example
I canceled my Netflix subscription because I wasn't watching it enough.
我取消了我的Netflix订阅，因为我没有足够看它。
B2 verb /kəˈmɛnd/

commend

表扬
Meaning
to praise formally or officially
Example
The teacher commended the students for their hard work.
老师表扬了学生们的努力。
B2 verb /dʒɑːɡ/

jog

慢跑
Meaning
to run at a slow, steady pace for exercise
Example
She jogs every morning in the park.
她每天早上在公园里慢跑。
C2 noun /ˈbʌt.ər fɪʃ/

Butter-fish

黄油鱼
Meaning
a small, smooth-skinned marine fish
Example
The butter-fish is popular in Bengali cuisine.
黄油鱼在孟加拉菜中很受欢迎。
A2 noun/adjective /ˈekspɜːt/

expert

专家
Meaning
a person who has a lot of knowledge or skill in a particular area
Example
He is an expert in computer programming.
他是计算机编程方面的专家。
C1 adjective /stiːpt/

steeped

浸透
Meaning
Completely surrounded by or filled with a particular quality, influence, or experience.
Example
The town is steeped in history and tradition.
这座城市充满了历史和传统。
C1 adjective /ˈɪndɪɡoʊ bluː/

Indigo-blue

靛蓝
Meaning
a deep blue color with a purplish tinge
Example
The indigo-blue sky looked magnificent at twilight.
在暮光中，靛蓝色的天空看起来壮丽。
B1 noun /ˈvoʊtɪŋ/

voting

投票
Meaning
the act of making a choice in an election or decision by casting a vote
Example
Voting is an important part of a democratic society.
投票是民主社会的重要组成部分。
C2 noun /ˈlɪθəˌɡræf/

lithograph

石版画 (石头印刷)
Meaning
a print made by lithography, often artistic
Example
The museum displayed a rare lithograph from the 19th century.
博物馆展示了一幅19世纪的稀有石版画。
C1 noun/adjective /ˈmɪstɪk/

mystic

神秘的，灵性追求者
Meaning
relating to mysteries, spirituality, or hidden truths; a person who seeks spiritual insight
Example
The mystic devoted his life to meditation and spiritual discovery.
那位神秘的追求者将他的生命献给了冥想和灵性探索。
C2 noun /kɔˈrɪkə soˈbɔrnə/

Corica soborna

卡奇基鱼
Meaning
a small silvery fish species found in South Asian rivers, commonly used in local cuisine
Example
Corica soborna is a popular ingredient in traditional Bengali fish curry.
科里卡索博尔纳是传统孟加拉鱼咖喱中的一种受欢迎的配料。
C2 noun /ˈæntɪˌtʃeɪmbər/

antechamber

前厅
Meaning
a small room serving as an entry to a larger one
Example
The guests waited in the antechamber before being admitted to the hall.
客人们在进入大厅之前，先在前厅等待。
A1 noun /wɛst/

west

西
Meaning
the direction to the left of the north and to the right of the south, typically associated with the sunset
Example
The sun sets in the west.
太阳在西方落下。
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。
C2 noun /ˈkæt.aɪ.ɒn ɪksˌtʃeɪndʒ/

cation-exchange

阳离子交换
Meaning
A chemical process in soil that helps retain nutrients.
Example
The cation-exchange capacity of soil affects plant growth.
土壤的阳离子交换容量会影响植物的生长。
A2 noun /væn/

van

货车
Meaning
a large vehicle used for transporting goods or people
Example
The delivery van stopped in front of our house.
送货车停在我们家门前。
B2 noun/adjective /ˈfluːɪd/

fluid

液体
Meaning
a substance that can flow easily, such as liquid or gas; smooth and adaptable
Example
The artist's fluid movements impressed the audience.
艺术家的流畅动作给观众留下了深刻的印象。
C1 adverb /ˌðɛərˈtu/

Thereto

与此一起;
Meaning
to that; in addition to that
Example
The house and the garden attached thereto were sold.
房子和附带的花园已被出售。
B2 noun /ˈkæʒ.u.əl.ti/

Casualty

伤亡; 受害者; 损失
Meaning
a person killed or injured in a war or accident; a victim of circumstances
Example
The hospital treated many casualties from the car accident.
医院治疗了许多来自车祸的伤者。
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。
A2 noun /səˈluː.ʃən/

Solution

解决方案; 答案; 液体混合物
Meaning
an answer to a problem; a liquid mixture
Example
We need to find a solution to this problem.
我们需要找到这个问题的解决方案。
A1 conjunction /ɪf/

if

如果
Meaning
used to introduce a condition or supposition
Example
If it rains tomorrow, we will stay home.
如果明天下雨，我们就待在家里。
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。
B1 verb /kəˈmænd/

command

命令
Meaning
to give an order authoritatively; to control or direct
Example
The general commanded the soldiers to move forward.
将军命令士兵们前进。
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 noun flɛər

flair

天赋
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
她有设计的天赋，总是创造出视觉上令人印象深刻的作品。
A2 adverb /ˈɛniweɪ/

anyway

无论如何
Meaning
used to emphasize a statement or to return to a previous subject; regardless of what happened
Example
I was tired, but I went to the meeting anyway.
我很累，但我还是去了会议。
B1 noun ˈbæriə(r)

barrier

障碍
Meaning
A fence or other obstacle that prevents movement or access.
Example
The barrier prevented entry.
障碍阻止了进入。
C2 adjective /ˈdʒɒkjələr/

jocular

爱开玩笑的
Meaning
fond of or characterized by joking; humorous
Example
His jocular nature made him popular among colleagues.
他爱开玩笑的性格让他在同事中很受欢迎。
B1 verb /haɪər/

hire

雇用
Meaning
to employ someone for wages; to rent or engage services
Example
The company will hire new employees next month.
公司将在下个月雇用新员工。
B2 adjective /ˈlʌvəbl̩/

loveable

幸福
Meaning
easy to love; endearing or charming
Example
The puppy was so loveable that everyone wanted to hold it.
当她收到奖项时，她无法掩饰自己的幸福。
C2 adjective /ˈɒf.biːt/

offbeat

不寻常
Meaning
Unusual, unconventional, or different from the norm.
Example
She has a very offbeat sense of humor.
她有非常不寻常的幽默感。
B1 adjective ʌnˈplænd

unplanned

未计划的
Meaning
Not planned or arranged in advance; happening spontaneously without preparation.
Example
Unplanned urbanization contributes to environmental issues.
无计划的城市化会加剧环境问题。
C2 adjective /fəˈsiːʃəs/

facetious

讽刺的
Meaning
Treating serious issues with deliberately inappropriate humor
Example
He was being facetious when he said he wanted to live on the moon.
他说他想住在月球上时，他是在开玩笑。
C1 adjective /vɪˈveɪʃəs/

vivacious

充满活力
Meaning
Attractively lively and animated.
Example
She was admired for her vivacious personality.
她因其充满活力的个性而受到赞赏。
B2 noun, verb /slænt/

slant

偏见观点
Meaning
A particular point of view; to slope or lean in a particular direction.
Example
The article had a political slant.
文章有政治倾向。
C1 noun /ˈlaɪm.stoʊn/

Lime stone

石灰岩
Meaning
a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement
Example
The ancient building was made of limestone blocks.
这座古老的建筑是用石灰岩块建造的
C1 verb /ɪˈmɔːrtəlaɪz/

immortalize

永生
Meaning
to preserve the memory of someone or something forever
Example
The statue was built to immortalize the hero’s sacrifice.
这座雕像是为了让英雄的牺牲永生化。
C1 noun ˈnuːkliəs

nucleus

原子核
Meaning
The central core of an atom containing protons and neutrons.
Example
The nucleus consists of protons.
原子核由质子组成。
C1 noun /ˈruːdɪmənt/

rudiment

基础
Meaning
A basic principle, element, or fundamental part of something.
Example
He learned the rudiments of music before joining the band.
他在加入乐队之前学习了音乐的基础知识。
B2 noun /kəmˈplek.ʃən/

Complexion

肤色
Meaning
the natural color, texture, and appearance of a person's skin, especially on the face
Example
Her fair complexion glowed beautifully in the morning sunlight.
她的肤色在早晨的阳光下美丽地发光。
C2 noun /ˈmʌɡwʌmp/

mugwump

独立于党派的人
Meaning
a person who remains independent from party politics or remains aloof from disputes
Example
He was called a mugwump for refusing to join either political side.
他因为拒绝加入任何政治派别而被称为马格旺普。
B1 noun ˈwɔː.mɪŋ

warming

变暖
Meaning
The process of becoming warmer; an increase in temperature.
Example
Warming is accelerating due to greenhouse gases.
由于温室气体，变暖速度加快。
C1 noun /rɪˈtrækʃən/

retraction

撤回，撤回声明
Meaning
the act of taking back a statement, promise, or belief
Example
The newspaper issued a retraction of the false report.
报纸发布了对虚假报道的撤回。
C2 noun /məˈlɪŋɡərər/

malingerer

装病的人
Meaning
a person who pretends to be sick to avoid duty or work
Example
The manager suspected that John was a malingerer.
经理怀疑约翰是一个装病的人。
C1 noun /ˈkleɪmənt/

claimant

索赔人
Meaning
a person who makes a claim, especially in a legal or financial context
Example
The claimant filed for compensation after the accident.
索赔人事故后申请赔偿。
C1 adjective /ˌɪntərˈtʃeɪndʒəbl/

interchangeable

可互换的
Meaning
able to be exchanged with each other without difference or loss of function
Example
These machine parts are interchangeable, so they can be replaced easily.
这些机器部件是可互换的，所以它们可以轻松地被替换。
A2 noun /ˈɪnfoʊ/

info

信息
Meaning
information; knowledge or facts about something or someone
Example
She gave me all the info I needed for the meeting.
她给了我所有会议所需的信息。
C2 verb /ˈdɛsɪkreɪt/

desecrate

亵渎
Meaning
to treat a sacred place or object with disrespect or violation
Example
The vandals desecrated the ancient temple walls with graffiti.
破坏者用涂鸦亵渎了古老的寺庙墙壁。
C1 noun /rɪˈpɔːrtɪʒ/

reportage

报道
Meaning
the act of reporting news or describing events in the media
Example
The magazine is known for its detailed reportage of political issues.
这本杂志以其对政治问题的详细报道而闻名。
C2 noun /aɪˈdɒlətri/

idolatry

偶像崇拜
Meaning
The worship of idols or extreme admiration for someone or something.
Example
The priest condemned the idolatry practiced in the village.
牧师谴责了在村里实践的偶像崇拜。
A2 verb /dʒɔɪn/

join

加入
Meaning
to connect or combine; to become a member of something
Example
Would you like to join our team for the project?
你想加入我们的团队来做这个项目吗？
C2 noun /foʊˈtɑːmɪtri/

photometry

光测量科学
Meaning
the science of measuring visible light in terms of its perceived brightness to human eyes
Example
Photometry helps in designing efficient lighting systems.
光度测量学帮助设计高效的照明系统。
C1 noun ˌmek.ə.naɪˈzeɪ.ʃən

mechanization

机械化
Meaning
The process of introducing machines or replacing manual labor with machines.
Example
Mechanization has revolutionized agriculture.
机械化已经彻底改变了农业。
C2 adjective /ˈkɔːpjʊlənt/

corpulent

肥胖的, 胖
Meaning
fat or obese; having a large bulky body
Example
The corpulent man struggled to fit into the small chair.
那个肥胖的男人努力地坐进了小椅子。
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

相似; 类似
Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
这两幅画之间的相似性表明它们是由同一位艺术家创作的。
C2 adjective /ˌdaɪəˈtɒmɪk/

diatomic

双原子
Meaning
Consisting of two atoms.
Example
Oxygen is a diatomic molecule.
氧气是双原子分子。
C1 adjective ʌnˈskruːpjʊləs

unscrupulous

不道德的
Meaning
Having or showing no moral principles; not honest or fair.
Example
Unscrupulous peers can lead adolescents to delinquency.
不道德的同龄人可能会导致青少年犯罪。
A2 noun /əˈɡriː.mənts/

agreements

协议
Meaning
Formal arrangements or understandings between two or more parties.
Example
Agreements strengthen partnerships.
协议加强了伙伴关系。
C1 noun /ˈkroʊ.bɑːr/

Crowbar

撬棍
Meaning
a heavy iron bar with a curved end used as a lever for prying things apart
Example
He used a crowbar to remove the old nails.
他用撬棍把旧钉子取了出来。
C1 noun /frɪndʒ/

fringe

装饰边缘 / 边界
Meaning
A decorative border of threads; the outer edge or margin of something.
Example
The festival had a fringe of small independent performances.
节日有一条小型独立表演的边缘。
A2 noun /ˈnæpkɪn/

napkin

餐巾
Meaning
a piece of cloth or paper used to wipe the mouth and hands while eating
Example
She placed a napkin on her lap before eating.
她在吃饭前把餐巾放在膝盖上。
B2 adverb /ˈsoʊʃəli/

socially

社交地
Meaning
in a way that relates to society or social interaction
Example
He is very active socially and attends many events.
他在社交方面非常活跃，参加了许多活动。
C1 noun /ˈpɜːʃən/

Persian

伊朗人或说波斯语的人
Meaning
a native or inhabitant of Iran; the language spoken in Iran (Farsi)
Example
The Persian language has a rich literary history.
波斯语有着丰富的文学历史。
A2 noun /skwɛə(r)/

square

正方形
Meaning
a shape with four equal straight sides and four right angles
Example
The table has a square shape.
桌子是正方形的。
C2 adjective /fjuːˈɡeɪʃəs/

fugacious

短暂的
Meaning
Lasting only a short time; fleeting or ephemeral.
Example
Youth is beautiful but fugacious.
青春是美丽的，但它是短暂的。
C2 noun /ˈaʊtˌrɪɡər/

outrigger

稳定结构
Meaning
a projecting structure on a boat, used for stability, or a boat fitted with such support
Example
The fisherman paddled his outrigger canoe across the lagoon.
渔民划着带有支撑的独木舟穿过泻湖。
C1 adjective /ˈheɪ.nəs/

Heinous

恶劣
Meaning
extremely wicked or evil; abominable; morally reprehensible
Example
The heinous crime shocked the entire community.
那起恶劣的罪行震惊了整个社区。
C1 noun /ˌdɪsərˈteɪʃən/

dissertation

学位论文
Meaning
A long piece of writing on a particular subject, usually written for a university degree.
Example
She spent two years writing her doctoral dissertation.
她花了两年时间写她的博士论文。
B2 noun /dɪˌtɜː.mɪˈneɪ.ʃən/

determination

决心
Meaning
Firmness of purpose; the quality of being determined; resolve.
Example
His determination to succeed was unwavering.
他为了成功的决心坚定不移。
B2 noun dɪˈskrɛʃən

discretion

谨慎
Meaning
The quality of behaving or speaking in such a way as to avoid causing offense or revealing private information.
Example
She handled the situation with great discretion.
她以极大的谨慎处理了这一情况。
B1 noun /ˈsʌb.mə.riːn/

Sub-marine

潜艇
Meaning
a warship with a streamlined hull designed to operate completely submerged in the sea
Example
The submarine dived deep into the ocean to avoid detection.
潜水艇潜入海洋深处以避免被发现。
C1 verb ˈplʌmɪtɪŋ

plummeting

急剧下降
Meaning
Falling or dropping suddenly and steeply; decreasing rapidly
Example
The fertility rate in Bangladesh is plummeting.
孟加拉国的生育率急剧下降。
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

附加费
Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
机票上加收了燃油附加费。
A2 noun /mjuːˈzɪʃən/

musician

音乐家
Meaning
a person who plays a musical instrument or is musically talented
Example
He is a talented musician.
他是一个才华横溢的音乐家。
A2 noun/verb/adjective /ˈsʌbdʒɪkt/ (noun), /səbˈdʒɛkt/ (verb)

subject

主题
Meaning
noun: a topic or theme; verb: to cause to undergo; adjective: dependent or under authority
Example
The teacher introduced a new subject in class.
老师在课堂上介绍了一个新主题。
C2 adverb /ɪkˈstem.pɔːr/

Extempore

即兴的；即席的；未经准备的
Meaning
without preparation; spontaneously; improvised
Example
The speaker delivered an impressive extempore speech at the conference.
演讲者在会议上发表了一场令人印象深刻的即兴演讲。
C2 noun /ˌænɪˈmɒmɪtər/

anemometer

风速计
Meaning
An instrument used to measure the speed and direction of wind.
Example
The scientist used an anemometer to record the wind speed during the storm.
科学家使用风速计记录风速，在风暴期间。
B1 verb /fərˈbɪd/

forbid

禁止
Meaning
to order someone not to do something
Example
The school forbids smoking on campus.
学校禁止在校园内吸烟。
C2 noun /ˈsteɪtkraft/

statecraft

治国艺术
Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
领导因其在处理国际关系方面的卓越治国艺术而受到赞扬。
C2 noun /ˈdiːɪst/

deist

自然神论者
Meaning
a person who believes in the existence of a supreme being but rejects organized religion
Example
The philosopher identified himself as a deist.
这位哲学家把自己认定为自然神论者。
C2 noun /ˈtæmbər/ or /ˈtɪmbər/

timbre

音色
Meaning
The character or quality of a musical sound or voice as distinct from its pitch and intensity.
Example
Her voice had a warm timbre that soothed the audience.
她的声音有一种温暖的音色，安抚了观众。
B2 adjective /ˈrɒt.ən/

Rotten

腐烂的; 坏的
Meaning
decayed; spoiled; bad
Example
The apple is rotten and should be thrown away.
苹果已经腐烂了，应该扔掉。
C1 verb /dɪsˈsætɪsfaɪ/

dissatisfy

使不满
Meaning
to fail to please or meet expectations; to make someone unhappy
Example
The poor service dissatisfies many customers.
糟糕的服务让许多顾客不满意。
B2 adjective ˈnjuːtrəl

neutral

中性
Meaning
Having no electric charge; neither positive nor negative.
Example
Neutrons are electrically neutral.
中子电中性。
B2 adjective /ˈsel.jə.lər/

Cellular

细胞的
Meaning
relating to cells; consisting of cells; relating to mobile phone technology
Example
Cellular technology has revolutionized communication.
细胞技术已经彻底改变了通讯方式。
B2 noun /ɡɪə(r)/

gear

装备 / 齿轮
Meaning
Equipment or apparatus for a particular purpose; also a toothed wheel in machinery.
Example
The climber packed all his gear before starting the journey.
登山者在开始旅程之前，打包了他所有的装备。