domain
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
B2 noun /dəˈmeɪn/

domain

领域
Meaning
An area of knowledge, activity, or territory over which control is exercised.
Example
Mathematics is her main domain of expertise.
数学是她主要的专业领域。
B2 adjective /dɪˈfektɪv/

Defective

有缺陷的; 不完整的
Meaning
having faults or defects; imperfect
Example
The defective product was returned to the store.
有缺陷的产品被退还到商店。
B2 adjective /ˈkʌnɪŋ/

cunning

狡猾
Meaning
Having or showing skill in achieving one's ends by deceit or evasion; cleverness in a tricky way.
Example
The cunning fox tricked the farmer.
狡猾的狐狸欺骗了农夫。
B2 noun /ˈkɒmɜːs/

commerce

商业
Meaning
the activity of buying and selling goods and services
Example
International commerce has expanded significantly in recent years.
国际商务在最近几年显著增长。
B2 adjective /mɪˈsteɪkən/

mistaken

错误的
Meaning
wrong or incorrect because of an error in judgment or understanding
Example
I was mistaken about the meeting time.
我对会议时间判断错了。
B2 adjective /ˈhelp.ləs/

Helpless

无助的; 虚弱的; 易受伤的
Meaning
unable to defend oneself or act without help; powerless; vulnerable
Example
The child felt helpless when lost in the crowded market.
当孩子在拥挤的市场中迷路时,他感到无助。
B2 noun /stæns/

stance

立场
Meaning
a person's attitude, opinion, or position on an issue
Example
The company took a strong stance on environmental protection.
公司在环境保护问题上采取了强硬立场。
B2 noun /swiːt/

suite

套房
Meaning
a set of rooms designated for one person's or family's use or for a particular purpose
Example
They stayed in the presidential suite at the hotel.
他们住在酒店的总统套房里。
B2 adverb /ˈstɛdɪli/

steadily

稳定地
Meaning
in a regular and continuous way; without stopping or changing
Example
The company's profits have been increasing steadily.
公司的利润稳定增长。
B2 noun /briz/

Breeze

微风
Meaning
a gentle wind; something that is achieved with ease
Example
The cool ocean breeze made the hot summer day more pleasant.
清凉的海风让炎热的夏日更加宜人。
B2 adjective ˌæɡ.rɪˈkʌl.tʃər.əl

agricultural

农业的
Meaning
Connected with farming.
Example
Agricultural advancements enhance food security.
农业进步提高了食品安全。
B2 verb /straɪv/

strive

奋斗
Meaning
To make great efforts to achieve or obtain something.
Example
She strives to be the best student in her class.
她努力成为班里最好的学生。
B2 noun /ˈɪɡ.nər.əns/

Ignorance

无知
Meaning
lack of knowledge or information; the state of being uninformed about something
Example
His ignorance about basic computer skills made it difficult for him to find a job.
他对基本计算机技能的无知使他很难找到工作。
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 noun /ˈɪdɪət/

idiot

白痴
Meaning
a person who acts in a way that is considered very stupid or foolish
Example
He acted like an idiot at the party last night.
他昨晚在派对上像个白痴一样表现。
B2 verb /ˈstreɪtən/

straighten

整理
Meaning
to make something straight or tidy; to correct or organize
Example
She straightened her hair before the meeting.
她在会议前整理了头发。
B2 noun /ˌnɔːrθˈiːst/

northeast

东北
Meaning
the direction between north and east; a region or area located in that direction.
Example
The storm is moving toward the northeast.
暴风雨正朝东北方向移动。
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。
B2 verb /stɪŋ/

sting

刺痛
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
蜜蜂在他园艺时刺伤了他的手臂。
B2 noun /sɪlk/

silk

丝绸
Meaning
a fine, smooth fabric made from the threads produced by silkworms
Example
The dress was made of pure silk.
这件裙子是用纯丝绸做的。
B2 adjective ˌiːvəˈluːʃənəri

evolutionary

进化的
Meaning
Relating to or denoting the gradual development of something, especially from a simple to a more complex form.
Example
The evolutionary changes in species are fascinating.
物种中的进化变化是迷人的。
B2 verb /ˈskræmbəl/

scramble

Meaning
to move or climb quickly using hands and feet; to mix or arrange in a hurried way
Example
The kids scrambled up the hill to catch the kite.
B2 adverb /ˈneɪmli/

Namely

即; 特别是;
Meaning
that is to say; specifically; to be precise
Example
Three cities, namely Paris, London, and Rome, were visited.
三个城市,即巴黎、伦敦和罗马,被参观。
B2 adjective /ˈnoʊ.bəl/

Noble

高尚的;贵族的
Meaning
having high moral qualities; honorable; generous; of aristocratic birth
Example
His noble actions helped many people in need.
他的高尚行为帮助了许多需要帮助的人。
B2 noun /ˈtɜr.mər.ɪk/

Turmeric

姜黄
Meaning
A bright yellow spice powder made from the root of a tropical plant, used in cooking and medicine
Example
Add turmeric to the curry for color and flavor.
在咖喱中加入姜黄,以增加色彩和味道。
B2 noun /iˈkɒlədʒɪst/

ecologist

生态学家
Meaning
A scientist who studies the relationships between living organisms and their environment.
Example
The ecologist studied the effects of pollution on the forest ecosystem.
生态学家研究了污染对森林生态系统的影响。
B2 adjective /ɪˈven.tʃu.əl/

Eventual

最终的
Meaning
happening or existing at the end of a process; final; ultimate
Example
The eventual outcome was better than expected.
最终结果比预期的更好。
B2 noun /ˈblʌn.dər/

blunder

一个愚蠢或疏忽的错误;判断中的严重错误。
Meaning
A stupid or careless mistake; a serious error in judgment.
Example
His blunder cost the company a fortune.
他的错误让公司损失了巨大的财富。
B2 noun /ˈklɪərəns/

clearance

许可 / 批准
Meaning
official permission or authorization; the removal of something unwanted; the distance between two objects
Example
The pilot received clearance to land the plane.
飞行员获得了着陆许可。
B2 noun /biːk/

Beak

鸟嘴
Meaning
the hard pointed part of a bird's mouth
Example
The eagle has a sharp beak for tearing meat.
鹰有一个锋利的鸟嘴来撕裂肉。
B2 noun /ˈkæt fɪʃ/

Cat fish

鲶鱼
Meaning
a freshwater fish with whisker-like barbels around the mouth, commonly found in ponds and rivers
Example
Catfish is often fried and served with rice in Bengali cuisine.
鲶鱼在孟加拉菜中常被油炸并配米饭。
B2 noun /ˈtɛnənsi/

tenancy

租约
Meaning
The possession or occupation of land or property as a tenant.
Example
The tenancy agreement was signed for two years.
租赁协议已签署为期两年。
B2 noun /ɪmˈpɒlɪtnəs/

impoliteness

不礼貌
Meaning
lack of good manners or courtesy; rude behavior
Example
His impoliteness towards the guests shocked everyone.
他对客人的不礼貌让所有人都感到震惊。
B2 noun /piːk/

Peak

山顶
Meaning
the highest point of a mountain or hill; the maximum level or intensity
Example
The climbers reached the peak of Mount Everest.
登山者到达了珠穆朗玛峰的山顶。
B2 verb /əˈweɪt/

await

等待
Meaning
to wait for someone or something; to expect
Example
We await your response with great anticipation.
我们满怀期待地等待你的回应。
B2 noun /ˌɛkspɜːˈtiːz/

expertise

专业知识
Meaning
Expert knowledge or skill in a particular area.
Example
His expertise in graphic design is widely recognized.
他的图形设计专业知识被广泛认可。
B2 adjective /ˈpreɪz.wɜː.ði/

Praiseworthy

值得赞扬
Meaning
deserving praise; commendable; admirable
Example
Her charitable work is truly praiseworthy.
她的慈善工作确实值得赞扬。
B2 verb /nɪˈɡoʊ.ʃi.eɪt/

negotiate

谈判
Meaning
To discuss something formally in order to reach an agreement.
Example
They negotiated a fair deal with the supplier.
他们与供应商谈判达成了公平的交易。
B2 noun /saɪˈkɒlədʒɪst/

psychologist

心理学家
Meaning
a person who studies mental processes and behavior
Example
The psychologist helped him cope with his anxiety.
心理学家帮助他应对焦虑。
B2 noun ɪˈlɪtərəsi

illiteracy

文盲
Meaning
The inability to read and write; lack of education or knowledge in a particular area.
Example
Illiteracy often leads to poverty and unemployment.
文盲常常导致贫困和失业。
B2 noun /reɪk/

Rake

耙子
Meaning
a garden tool with a long handle and prongs for gathering leaves; to gather with a rake
Example
He used a rake to gather the fallen autumn leaves.
他用耙子收集掉落的秋天叶子。
B2 verb /ˈɔː.tə.meɪt/

automate

自动化
Meaning
To make a process or system operate automatically by means of machines or computers.
Example
Many companies automate their processes to save time.
许多公司自动化其流程以节省时间。
B2 verb /ˈrendər/

render

提供
Meaning
to provide or give; to make or cause to become
Example
The artist renders the scene beautifully.
艺术家美丽地渲染了场景。
B2 adjective + noun əˈdæptɪv ˈfiːtʃərz

adaptive features

适应性特征
Meaning
Characteristics that help organisms adjust to their environment
Example
Plants' adaptive features help them grow in winter.
植物的适应性特征帮助它们在冬季生长。
B2 noun /ˌædməˈreɪʃən/

admiration

钦佩
Meaning
a feeling of respect, pleasure, or approval for someone or something
Example
She felt great admiration for her teacher’s dedication.
她对老师的奉献充满了钦佩。
B2 adverb /ˈnæʃənəli/

nationally

在全国范围内
Meaning
at the level of a whole nation; in a way that involves or affects an entire country
Example
The policy was implemented nationally to ensure equal benefits for all citizens.
该政策在全国范围内实施,以确保所有公民享有平等的福利。
B2 verb /rɪˈzɜːv/

reserve

预定
Meaning
to keep something for future use; to book in advance
Example
I want to reserve a table for dinner.
我想为晚餐预订一张桌子。
B2 noun, verb /kloʊk/

cloak

披风
Meaning
a loose outer garment; to cover, hide, or disguise
Example
The spy cloaked his identity with a false name.
间谍用一个假名字掩藏了他的身份。
B2 verb /blɛnd/

blend

混合
Meaning
to mix things together smoothly; to combine harmoniously
Example
She blends the ingredients carefully.
她小心地混合了配料。
B2 adjective /ɪɡˈzɑːtɪk/

exotic

异国情调和迷人
Meaning
Unusual and attractive because it is from a foreign place or culture.
Example
The garden was filled with exotic plants from tropical countries.
花园里满是来自热带国家的异国情调植物。
B2 adjective /ˈdɛntəl/

dental

牙科的
Meaning
relating to teeth or dentistry
Example
She goes for a dental checkup every six months.
她每六个月进行一次牙科检查。
B2 noun /kɜːrl/

Curl

卷发; 螺旋形状
Meaning
a piece of hair that curves or coils; something with a spiral or curved shape
Example
She had beautiful natural curls that framed her face perfectly.
她有美丽的自然卷发,完美地框住了她的脸。
B2 noun /veɪn/

Vein

静脉; 血管
Meaning
a blood vessel that carries blood back to the heart; a streak or marking of a different color
Example
The nurse found a vein in his arm to draw blood.
护士在他手臂上找到了静脉来抽血。
B2 adjective /ˈlætər/

latter

第二个
Meaning
the second of two people or things mentioned
Example
Between tea and coffee, I prefer the latter.
在茶和咖啡之间,我更喜欢第二个。
B2 adjective /əˈdɪktɪd/

addicted

上瘾的
Meaning
Being unable to stop engaging in a particular activity or consuming a particular substance.
Example
Many people are addicted to social media.
许多人上瘾于社交媒体。
B2 noun /ˈbʌn.dəl/

Bundle

包裹; 捆
Meaning
a collection of things or quantity of material tied or wrapped up together
Example
The mailman delivered a bundle of letters to our house.
邮递员把一包信送到了我们的家。
B2 adjective /praɪm/

prime

首要的, 重要的
Meaning
Of the best quality; most important; peak condition.
Example
She is in the prime of her career.
她处于事业的巅峰时刻。
B2 verb /dɪˈstrækt/

distract

分心
Meaning
to take someone's attention away from what they are doing or focusing on
Example
The loud noise distracted her during the exam.
大声噪音让她在考试中分心。
B2 noun /ˈbætəlˌfiːld/

battlefield

战场
Meaning
a place where a battle is fought
Example
The battlefield was covered with the remnants of the fight.
战场上布满了战斗的残余。
B2 adverb /əˈlɛdʒɪdli/

allegedly

据称
Meaning
used to say that something is claimed to be true, though not proven
Example
He was allegedly involved in the robbery.
他据称参与了抢劫。
B2 noun /təˈreɪn/

terrain

地形
Meaning
a stretch of land, especially with regard to its physical features
Example
The soldiers had to cross rough terrain during the mission.
士兵们必须在任务期间穿越艰难的地形。
B2 noun /dɪsˈpoʊzl/

disposal

处置
Meaning
the action or process of getting rid of something
Example
The disposal of waste is crucial for maintaining a clean environment.
废物处理对于保持清洁的环境至关重要。
B2 noun ক্লাইম্যাটিক কন্ডিশন্স

climatic conditions

气候条件
Meaning
The atmospheric or weather patterns of a particular region.
Example
Specific climatic conditions are required for snowfall.
降雪需要特定的气候条件。
B2 noun /ˈsliːpər/

sleeper

睡觉的人;意外成功的事物
Meaning
a person or thing that sleeps; something that unexpectedly succeeds
Example
The movie turned out to be a real sleeper hit.
这部电影竟然成为了意外的成功。
B2 noun /ˈkɒŋɡrɛs/

congress

大会
Meaning
a formal meeting or assembly, especially of representatives for discussion
Example
The international congress on climate change will be held next year.
关于气候变化的国际大会将在明年举行。
B2 noun /ˈbɒt.əl.nek/

bottleneck

瓶颈
Meaning
Narrow path or obstruction, a place or situation where flow becomes slow.
Example
The narrow bridge is a major bottleneck during rush hour.
窄桥在高峰期间是一个瓶颈。
B2 verb /ˌdɪsəˈpruːv/

disapprove

不赞成
Meaning
to have a negative opinion about something; to consider something wrong or bad
Example
Many parents disapprove of smoking.
许多父母不赞成吸烟。
B2 verb /ˈɔːdɪt/

audit

审计
Meaning
to examine and verify financial records or accounts officially
Example
The accountant will audit the company's books next month.
会计师将在下个月审计公司的账目。
B2 noun /lɔːɡ/

Log

木头
Meaning
a piece of a dead or felled tree trunk or branch, especially one stripped of bark
Example
They sat on a log by the campfire.
他们坐在篝火旁的木头上。
B2 verb /rɪˈdʒɔɪs/

rejoice

欢欣
Meaning
to feel or show great joy; to celebrate
Example
The family rejoices at the good news.
这个家庭因好消息而欢欣鼓舞。
B2 noun /æŋˈzaɪ.ə.ti/

anxiety

焦虑或不安
Meaning
A feeling of worry, nervousness, or unease about something with an uncertain outcome.
Example
Meditation helps reduce anxiety and stress.
冥想有助于减少焦虑和压力。
B2 noun /prɪˈskrɪpʃən/

prescription

处方
Meaning
A written order from a doctor for the preparation and administration of a medicine; also, a recommendation or authoritative rule.
Example
The doctor gave her a prescription for antibiotics.
医生给她开了抗生素的处方。
B2 adjective /əˈkjuːt/

acute

急性
Meaning
present or experienced to a severe or intense degree; having sharp perception
Example
The patient suffered from acute pain after the surgery.
手术后,病人感到剧烈的疼痛。
B2 adverb /ˈsɛp.ər.ət.li/

separately

分别地
Meaning
in a way that is apart or individually; not together
Example
They decided to travel separately to the conference.
他们决定分别前往会议。
B2 noun /ˈruːmər/

Rumour

流言; 八卦; 新闻
Meaning
a currently circulating story or report of uncertain or doubtful truth; gossip
Example
There's a rumour that the company will close next month.
有传言说公司将在下个月关闭。
B2 noun /kəmˈpæʃ.ən/

Compassion

同情
Meaning
sympathetic concern for the sufferings or misfortunes of others; deep awareness of suffering with a desire to help
Example
She showed great compassion towards the homeless children by providing them food and shelter.
她通过为无家可归的孩子提供食物和住所,表现出极大的同情。
B2 noun /ˌsɛlf ɪˈstiːm/

self-esteem

自尊
Meaning
confidence in one's own worth or abilities; self-respect
Example
Building self-esteem takes time and consistent effort.
建立自尊需要时间和持续的努力。
B2 adjective /ˈɔː.də.li/

Orderly

有序的; 系统的; 平静的
Meaning
well-organized; systematic; peaceful
Example
Please keep your desk orderly and clean.
请保持您的桌面整齐和干净。
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 /ˈpʌŋk.tʃər/

Puncture

穿孔
Meaning
a small hole in a tire that causes air to escape
Example
I had to fix a puncture in my bicycle tire this morning.
今天早上我不得不修理我的自行车轮胎上的一个穿孔。
B2 verb /səʊ/

sew

幸福
Meaning
to join pieces of fabric or material together using a needle and thread
Example
She learned to sew her own clothes at an early age.
她在获得奖项时无法掩饰她的快乐。
B2 noun /aɪˌdɛntɪfɪˈkeɪʃən/

identification

身份识别
Meaning
the process of recognizing or proving who or what someone or something is
Example
You need proper identification to enter the building.
您需要适当的身份证明才能进入大楼。
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 /ˌkeɪ.pəˈbɪl.ə.ti/

capability

能力
Meaning
The ability or capacity to do something.
Example
The telescope's capability is unparalleled.
望远镜的能力是无与伦比的。
B2 adjective /ˈlɪt.ər.ət/

Literate

文盲; 有教育的; 受过良好教育的
Meaning
able to read and write; educated; well-educated
Example
She is a very literate person who reads extensively.
她是一个非常有文化的人,广泛阅读。
B2 adjective /veɪn/

Vain

虚荣; 徒劳
Meaning
having excessive pride in one's appearance; futile or unsuccessful
Example
She spent hours in front of the mirror being quite vain.
她在镜子前花了好几个小时,非常虚荣。
B2 noun /ˈɒp.tɪ.mɪ.zəm/

optimism

乐观
Meaning
Hopefulness and confidence about the future or the successful outcome of something.
Example
Her optimism helped her overcome difficult times.
她的乐观帮助她克服了困难的时光。
B2 adjective /ˈvɛərid/

Varied

多样的; 各种各样的
Meaning
showing differences; diverse; containing different types
Example
The museum has a varied collection of ancient artifacts.
博物馆拥有各种各样的古代文物收藏。
B2 verb /kənˈtɛnd/

contend

竞争,主张
Meaning
to strive or compete for something; to assert earnestly
Example
Athletes from around the world contend for the championship.
来自世界各地的运动员为冠军而争斗。
B2 noun /ˌmænjəˈfæktʃərər/

manufacturer

制造商
Meaning
A person or company that makes goods in large quantities.
Example
The manufacturer produces cars for the global market.
制造商为全球市场生产汽车。
B2 adjective /kruːd/

crude

原油
Meaning
in a natural or raw state; not yet processed or refined
Example
The crude oil is processed into fuel and chemicals.
原油被加工成燃料和化学品。
B2 adjective /dɪˌveləpˈmentl/

developmental

发展性的
Meaning
relating to the process of growth or progress
Example
Early childhood is a crucial developmental stage for learning.
早期儿童是学习的关键发展性阶段。
B2 noun /sɛnˈseɪʃən/

Sensation

感觉
Meaning
a physical feeling or perception resulting from something that happens to or comes into contact with the body; a widespread reaction of interest and excitement
Example
The new singer became an overnight sensation.
这位新歌手一夜之间成名,成为轰动一时的现象级人物。
B2 noun /ˈaɪ.lɪd/

Eyelid

眼皮
Meaning
either of the upper or lower folds of skin that cover the eye when closed
Example
Her eyelids felt heavy with sleep.
她的眼皮因睡意而感到沉重。
B2 adjective /ˈkɑːmjənl/

communal

公共的
Meaning
Shared by all members of a community; for common use.
Example
The villagers worked together in the communal garden.
村民们在公共花园里一起劳动。
B2 noun /ˈbæk.boʊn/

Backbone

脊柱
Meaning
the series of vertebrae extending from the skull to the pelvis; spine
Example
He injured his backbone in the accident.
他在事故中伤了他的脊柱。
B2 verb /ʌnˈfəʊld/

unfold

展开或打开
Meaning
to open or spread out something that was folded; to gradually reveal or develop
Example
She unfolded the letter carefully.
她小心地展开了信件。
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 noun /ˈsɛmɪˌtɛri/

cemetery

墓地
Meaning
a place where dead people are buried
Example
The old cemetery is located at the edge of the village.
古老的墓地位于村庄的边缘。
B2 noun /ˈpɪl.ɡrɪm/

Pilgrim

朝圣者; 旅行者
Meaning
a person who journeys to a sacred place for religious reasons; a traveler
Example
The pilgrim walked for days to reach the holy shrine.
朝圣者走了好几天才到达圣地。
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 /ˈdeɪtəbeɪs/

database

数据库
Meaning
a structured collection of data stored and accessed electronically
Example
The company's customer details are stored in a secure database.
公司的客户信息存储在一个安全的数据库中。
B2 adjective /ˈkwɜːrki/

quirky

奇特的
Meaning
Unusual in an interesting, charming, or odd way.
Example
She has a quirky sense of fashion that makes her stand out.
她有一种奇特的时尚感,使她与众不同。
B2 adjective/noun /ˈmaɪ.nər/

minor

微小 / 未成年
Meaning
less important, serious, or significant; a person under the legal age
Example
Luckily, the accident caused only minor injuries.
幸运的是,事故只造成了轻微伤害。
B2 verb /dɪˈprɛs/

depress

压抑
Meaning
To make someone feel sad or without hope; to reduce the level or strength of something.
Example
The gloomy weather tends to depress people.
阴郁的天气常常使人感到抑郁。
B2 noun ˈmɪdl klæs

middle-class

中产阶级
Meaning
The social group between the upper and working classes, typically consisting of well-educated people.
Example
The middle-class was largely affected by the decision.
中产阶级在这个决定中受到了很大的影响。
B2 noun /ˈvendə(r)/

Vendor

小贩
Meaning
a person or company offering something for sale, especially a trader in the street
Example
The street vendor sold fresh fruits and vegetables.
街头小贩卖新鲜的水果和蔬菜。
B2 adjective /ˈʃæl.oʊ/

Shallow

浅薄; 不深; 缺乏深入知识
Meaning
not deep; superficial; lacking depth of knowledge
Example
The shallow water is perfect for children to play.
浅水适合孩子们玩耍。
B2 adjective /ˈɒp.ʃən.əl/

Optional

可选的
Meaning
not compulsory; left to choice
Example
Wearing a tie is optional for this event.
穿领带是这个活动的可选项。
B2 verb /ˈkɒntəmpleɪt/

contemplate

Meaning
to think deeply and carefully about something; to consider thoughtfully
Example
She sat quietly to contemplate her future plans.
B2 noun /ɑːks/

Ox

Meaning
a large strong animal used for pulling heavy loads or plowing fields
Example
The farmer used an ox to plow the field.
农民用牛耕地。
B2 noun /ˈmɔɪs.tʃər/

Moisture

湿气
Meaning
water or dampness that exists in small amounts in the air or on a surface
Example
The skin cream helps retain moisture.
护肤霜有助于保持湿气。
B2 verb /kənˈstreɪn/

constrain

限制
Meaning
to limit or restrict someone or something; to force or compel
Example
The new regulations constrain businesses from polluting the environment.
新规定限制企业不允许污染环境。
B2 noun /ˈsikwəl/

Sequel

续集
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
这部电影的续集比原作更成功。
B2 noun /ˈkiːɒsk/

kiosk

报摊
Meaning
A small, open-fronted hut or cubicle from which newspapers, refreshments, tickets, etc., are sold.
Example
She bought a bottle of water from the kiosk near the station.
她在车站附近的报摊买了一瓶水。
B2 noun /ˈʃɪpɪŋ/

shipping

运输
Meaning
the process of transporting goods
Example
The shipping of the products was delayed due to weather conditions.
由于天气原因,产品的运输被延迟了。
B2 verb /kənˈsiːv/

conceive

构思, 怀孕
Meaning
to form or imagine an idea in the mind; to become pregnant
Example
It is hard to conceive how such an idea could succeed.
很难想象这样的想法如何能够成功。
B2 noun /ˈeɪ.prən/

apron

Meaning
A protective garment worn over the front of one's clothes to keep them clean, especially while cooking.
Example
She tied an apron around her waist before cooking dinner.
B2 noun /kənˈkʌʃən/

concussion

脑震荡
Meaning
A temporary unconsciousness or shock caused by a blow to the head.
Example
He suffered a concussion after falling from the bike.
他在从自行车上摔下来后,遭受了脑震荡。
B2 verb /dɪˈstɔːrt/

distort

Meaning
to twist or change the shape, appearance, or meaning of something so it is not true or accurate
Example
The mirror distorted her reflection.
B2 verb /pɪntʃ/

pinch

Meaning
to squeeze tightly between the fingers; to take a small amount
Example
She pinched a bit of salt into the soup.
她在汤里放了一点盐。