Echo
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 /ˈek.oʊ/

Echo

回声; 回响
Meaning
a sound that is reflected back; a repetition or imitation
Example
His voice created a clear echo in the empty cathedral.
他的声音在空荡的教堂里产生了清晰的回声。
C1 verb /dɪˈnəʊt/

denote

表示
Meaning
To be a sign of; to indicate or mean something.
Example
A red flag denotes danger.
红旗表示危险。
C2 noun /dɪˈkrɛpɪˌtjuːd/

decrepitude

衰败
Meaning
the state of being old, weak, and worn out
Example
The once-great empire fell into decrepitude.
曾经伟大的帝国陷入了衰败。
C1 noun /ˈlɪɡ.əmənt/

ligament

韧带组织
Meaning
A tough band of tissue that connects bones at a joint.
Example
He tore a ligament in his knee while playing football.
他在踢足球时撕裂了膝盖的韧带。
B1 adjective /ʌnˈsɜːrtən/

Uncertain

不确定
Meaning
not able to be relied on; not known or definite; not having reliable knowledge
Example
I am uncertain about my future career plans.
我对未来的职业规划感到不确定。
C1 adjective /ˌɪnɔːrˈɡænɪk/

inorganic

无机的
Meaning
relating to substances that are not derived from living organisms; lacking organic structure or growth
Example
Inorganic compounds are commonly studied in chemistry labs.
无机化合物是化学的重要部分。
C2 noun /ˈoʊdiəm/

odium

憎恶
Meaning
general or widespread hatred or disgust directed toward someone as a result of their actions
Example
The scandal brought public odium on the corrupt minister.
丑闻让腐败的部长蒙受了公众的憎恶。
C1 verb /ʌnˈmɑːsk/

unmask

揭露；暴露真相
Meaning
to remove a mask or covering; to reveal the true identity, nature, or intentions of someone or something
Example
The investigation helped unmask the real culprit behind the crime.
调查帮助揭露了犯罪背后的真正罪犯。
A2 verb /kəmˈpleɪn/

complain

抱怨
Meaning
to express dissatisfaction or annoyance about something
Example
He often complains about the noise in the neighborhood.
他经常抱怨邻里的噪音。
B2 adjective /ˈædmərəbəl/

Admirable

值得钦佩的
Meaning
প্রশংসনীয়; চমৎকার;
Example
Her dedication to helping others is truly admirable.
她帮助他人的奉献精神真是令人钦佩。
A2 noun /ˈɑːrtɪkl/

article

文章
Meaning
a piece of writing included in a newspaper, magazine, or journal
Example
He wrote an article about climate change.
他写了一篇关于气候变化的文章。
C1 adjective /ˈpɑːndərəs/

ponderous

沉重而缓慢
Meaning
slow and clumsy because of great weight; dull and labored
Example
The ponderous lecture made it hard for students to stay awake.
这堂沉重而缓慢的讲座使学生们难以保持清醒。
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。
B1 noun /ˌrɛdʒɪˈstreɪʃən/

registration

注册
Meaning
the action or process of enrolling or signing up for something
Example
The registration for the event will close tomorrow.
活动的注册将在明天关闭。
C2 verb /ˌkɒntrəˈvɜːrt/

controvert

反驳
Meaning
to dispute or argue against; to contradict
Example
The scientist controversed the previous research findings.
科学家反驳了之前的研究结果。
A2 noun /tɪp/

tip

建议
Meaning
a small but useful piece of advice
Example
I received a tip on how to improve my presentation.
我收到了关于如何改进我的演示的建议。
A1 interjection;noun /ɡʊdˈbaɪ/

goodbye

再见
Meaning
a polite expression used when leaving or ending a conversation; the act of parting
Example
She waved and said goodbye before leaving the station.
她在离开车站前挥手说了再见。
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 verb /ˈsɪn.θə.saɪz/

synthesize

合成
Meaning
To combine a number of things into a coherent whole.
Example
Scientists synthesize new compounds for medical research.
科学家为医学研究合成新的化合物。
C1 noun ˈæk.si.əm

axiom

公理
Meaning
A statement or principle that is considered true and does not require proof.
Example
Actions speak louder than words is a well-known axiom.
行动胜于语言，这是一个著名的公理。
A2 adjective /θɪk/

Thick

厚的; 密的;
Meaning
having a large distance between opposite sides; dense; not thin
Example
The book has thick pages and a heavy cover.
这本书有厚重的页面和沉重的封面。
C2 adjective /ˈkʌsɪd/

cussed

倔强
Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
他太倔强，无法承认自己的错误。
B1 verb /spred/

spread

传播
Meaning
to extend over a larger area; to distribute; to apply
Example
The news spread quickly through the town.
新闻迅速在城镇传播。
A1 adverb /ˈkwɪk.li/

Quickly

迅速; 快速
Meaning
at a fast speed; with little delay; rapidly
Example
He quickly finished his homework.
他迅速完成了他的作业。
A2 noun ˈwɔː.nɪŋ

warning

警告
Meaning
A statement or event that indicates a possible or impending danger, problem, or other unpleasant situation.
Example
Warnings about rising temperatures demand urgent action.
关于上升温度的警告需要紧急行动。
C2 adjective /ɪˈmɪsəbl/

immiscible

不相溶
Meaning
Describes liquids that do not mix together.
Example
Oil and water are immiscible liquids.
油和水是无法混合的液体。
B1 noun /ˈpaɪn.æp.əl/

Pine Apple

菠萝
Meaning
a large tropical fruit with a tough skin and sweet yellow flesh
Example
The pineapple has a crown of spiky leaves on top.
菠萝顶部有一冠刺叶。
C1 adjective /rɪˈflek.sɪv/

Reflexive

反思的; 自我反省的
Meaning
directed back on itself; showing deep thought about oneself
Example
She became more reflexive about her behavior after the feedback.
她在反馈后变得更加反思自己的行为。
B2 adverb /ˈden.sli/

densely

密集地
Meaning
In a closely compacted or crowded manner.
Example
The area is densely covered with trees.
这个区域密集地覆盖着树木。
C2 adjective /fluːˈɛnʃəl/

fluential

有影响力的
Meaning
Having the power to influence or flowing freely (rare/archaic usage).
Example
The fluential speaker captivated the entire audience.
有影响力的演讲者吸引了所有观众。
C2 verb /ˌaʊtməˈnuːvər/

outmaneuver

巧妙地战胜
Meaning
to gain an advantage over an opponent by skillful or clever action
Example
The smaller company managed to outmaneuver its larger rival.
小公司成功地战胜了它的大对手。
B2 adjective /ˈɒnərəbəl/

honourable

光荣的
Meaning
deserving respect or admiration because of moral integrity; showing honesty and fairness
Example
She is known as an honourable leader who always keeps her promises.
她以一位光荣的领导者而闻名，总是信守承诺。
A2 noun /ˈtrævələr/

traveler

旅行者
Meaning
a person who is traveling or who often travels
Example
The traveler rested at a small inn after a long journey.
旅行者在长途旅行后在一家小旅馆休息。
B2 noun/verb /kəˈmjuː.tɪŋ/

commuting

每日通勤
Meaning
Regular travel to and from workplace, daily journey for work.
Example
He spends two hours commuting to work every day.
他每天花两个小时通勤去上班。
C2 noun /ˌriːkəˌpɪtjʊˈleɪʃən/

recapitulation

重述
Meaning
The act of summarizing or repeating the main points of something.
Example
The professor gave a brief recapitulation of the lecture before ending the class.
教授在结束课程之前简要地重述了讲座内容。
A2 noun /flaʊər/

Flour

面粉
Meaning
fine powder made by grinding wheat or other grains; used for making bread, cakes, and pastry
Example
She mixed flour with water to make dough for bread.
她把面粉和水混合，做了面包的面团。
C1 noun /ɡɔːrd/

Gourd

葫芦
Meaning
a climbing plant with large fruits that have hard shells when dried
Example
The bottle gourd curry was delicious and nutritious.
瓶状葫芦咖喱非常美味和营养。
A2 adjective /ˈmærid/

Married

已婚
Meaning
having a husband or wife
Example
She is married to a doctor.
她已婚，丈夫是一位医生。
B2 adjective, noun /ˈsaɪkɪk/

psychic

Meaning
relating to the mind or supernatural powers; a person claiming to have extrasensory abilities
Example
The psychic claimed she could predict the future.
C2 noun /ˈdɛkəˌpɒd/

decapod

十足目
Meaning
An arthropod with ten limbs, such as crabs, lobsters, and shrimps.
Example
The lobster is a well-known decapod.
龙虾是一种著名的十足目动物。
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

区分特定群体的习语或信仰
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
这句话在竞选期间成为了一个政治性的shibboleth。
B1 noun /ˈvæk.siːn/

Vaccine

疫苗
Meaning
a substance that is put into the body to prevent a disease
Example
The COVID-19 vaccine has helped reduce severe illness.
COVID-19疫苗有助于减少重症疾病。
C1 adjective /proʊˈzeɪ.ɪk/

prosaic

平凡的
Meaning
ordinary, dull, or lacking imagination
Example
The teacher’s explanation was accurate but rather prosaic.
老师的解释很准确，但相当平凡。
C1 noun /ˈtræpɪŋz/

trappings

外在标志
Meaning
the outward signs, features, or objects associated with a role, event, or status
Example
The king appeared with all the trappings of royalty.
国王带着所有的皇家标志出现。
B2 verb /ˌriːˈbɪld/

rebuild

重建
Meaning
to build something again after it has been damaged or destroyed
Example
The villagers worked together to rebuild the bridge after the flood.
村民们一起努力，在洪水后重建了桥梁。
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。
C2 adjective /ˈɪkθiɪk/

ichthyic

鱼类的
Meaning
Relating to or resembling fish.
Example
The artist's painting had an ichthyic quality.
艺术家的画作具有鱼类的特质。
B2 adjective /ˈsoʊloʊ/

solo

独奏
Meaning
performed by one person alone; a single performance
Example
She decided to perform a solo dance at the talent show.
她决定在才艺表演中做独舞表演。
C1 adjective /rɪˈvenʒ.fəl/

Revengeful

复仇的
Meaning
seeking or desiring revenge; vindictive
Example
He became revengeful after being betrayed by his friend.
他在被朋友背叛后变得复仇心切。
C1 noun /əˈbreɪʒən/

abrasion

由于摩擦而导致的皮肤或表面的擦伤或磨损
Meaning
a scrape or wearing away of the skin or surface due to friction
Example
He suffered a minor abrasion on his knee after falling.
他在摔倒后膝盖上受了一个轻微的擦伤。
C2 adjective /ˈpjuːtətɪv/

putative

假定的
Meaning
commonly accepted or supposed; generally regarded as such
Example
He is the putative father of the child.
他是孩子的假定父亲。
C1 adverb /ˈhed ɑn/

Head-on

正面
Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
两辆车在交叉口发生了正面碰撞。
C2 adjective /ˈblaɪðsəm/

blithesome

愉快
Meaning
cheerful, carefree, and full of joy
Example
She entered the room with a blithesome smile that lifted everyone's spirits.
她带着愉快的笑容走进房间，大家的心情都变好了。
B2 noun plɒt

plot

情节
Meaning
The main story of a piece of writing, or the series of events that happen in it.
Example
The plot of A Tale of Two Cities is intense and gripping.
'双城记'的情节紧张且引人入胜。
C1 adjective /ˈzoʊ.nəl/

Zonal

区域的
Meaning
relating to or arranged in zones; of, relating to, or having the form of a zone
Example
The city implemented a zonal parking system to manage traffic congestion.
城市实施了分区停车系统来管理交通拥堵。
C2 adjective /ˌoʊdəˈrɪfərəs/

odoriferous

芬芳的
Meaning
having or giving off a smell, especially a strong or pleasant one
Example
The garden was filled with odoriferous flowers.
花园里充满了芬芳的花朵。
B2 noun /ˈkænən/

Cannon

大炮
Meaning
large heavy gun that fires cannonballs or shells
Example
The castle was defended by several large cannons.
城堡由几门大加农炮保卫。
A2 noun /kɔːrs/

course

课程，路径或一组教育课程
Meaning
a direction, path, or a set of educational lessons
Example
She enrolled in a computer science course.
她报名参加了计算机科学课程。
C2 adjective /ˈloʊð.səm/

Loathsome

令人厌恶的
Meaning
causing hatred or disgust; repulsive
Example
The loathsome smell from the garbage made everyone leave the room.
垃圾散发出的令人厌恶的气味让每个人离开了房间。
C2 noun /ˈdʒaɪrəˌskoʊp/

gyroscope

Meaning
A device consisting of a wheel or disk mounted so it can spin rapidly and maintain orientation, used for navigation and balance.
Example
The airplane's navigation system relies on a gyroscope for stability.
C1 noun /ˈkɑːrkəs/

carcass

动物尸体
Meaning
the dead body of an animal, especially after being slaughtered
Example
Vultures fed on the carcass left in the field.
秃鹰在田野中啄食尸体。
B2 noun /ˈfrʌn.tɪər/

frontier

边界或新领域
Meaning
A new area of activity, knowledge, or development; the edge of knowledge or achievement.
Example
Robotic surgery is exploring a new frontier in medicine.
机器人手术正在医学领域探索新的前沿。
C2 noun /ˈkedʒ.ə.riː/

Kedgeree

凯吉瑞
Meaning
a European dish of cooked rice, fish, and hard-boiled eggs, originally from India
Example
The breakfast menu featured traditional kedgeree with smoked haddock and eggs.
早餐菜单上有传统的凯吉瑞，配有烟熏鳕鱼和鸡蛋。
C1 noun ˌkɒn.əˈteɪ.ʃən

connotation

隐含的或暗示的意义
Meaning
The implied or suggested meaning of a word beyond its literal definition
Example
The word 'home' has a warm connotation of comfort and family.
‘家’这个词有着温暖的含义，代表着舒适和家庭
C2 verb /pɔːrˈtɛnd/

portend

预示
Meaning
To be a sign or warning that something, especially something bad, is going to happen.
Example
Dark clouds portend a storm.
暗云预示着暴风雨。
B2 noun /ˈdʌklɪŋ/

duckling

Meaning
a young duck
Example
The mother duck led her ducklings to the pond.
A2 noun /test/

test

测试
Meaning
A procedure intended to establish the quality, performance, or reliability of something.
Example
Vehicle tests reduce emissions.
车辆测试减少排放。
B1 noun /tæŋk/

Tank

坦克
Meaning
a heavily armored fighting vehicle moving on a continuous track
Example
The tank rolled through the battlefield with powerful armor.
坦克穿越了战场，配备强大的装甲。
C2 adjective /fjuːˈnɪəriəl/

funereal

葬礼的
Meaning
having the mournful, somber character of a funeral
Example
The room was filled with a funereal silence after the announcement.
宣布后，房间里充满了葬礼般的沉默。
C1 verb /ˌkaʊntərˈækt/

counteract

反作用
Meaning
to act against something in order to reduce its effect
Example
The medicine helps counteract the side effects of the treatment.
这药有助于抵消治疗的副作用。
A1 adjective /sæd/

sad

伤心
Meaning
feeling or showing sorrow; unhappy
Example
She felt sad after hearing the bad news.
听到坏消息后，她感到伤心。
C2 noun /ˈkrɪsəndəm/

christendom

基督教世界
Meaning
the worldwide body or community of Christians
Example
The news spread quickly across Christendom.
新闻迅速传播到整个基督教世界。
C1 noun /ˈpoʊʃən/

potion

药水
Meaning
a liquid with healing, magical, or poisonous properties
Example
The witch gave the hero a healing potion.
女巫给了英雄一个治疗药水。
C2 adjective /ˈʌŋk.tʃu.əs/

unctuous

阿谀奉承
Meaning
Excessively flattering or ingratiating; oily in texture.
Example
His unctuous tone made everyone uncomfortable.
他那种阿谀奉承的语气让每个人都感到不舒服。
C2 noun /ˈɛpəlɛt/

epaulette

肩章
Meaning
A variant spelling of epaulet, also meaning a shoulder ornament, especially on military uniforms.
Example
The officer’s epaulette shone brightly under the sunlight.
军官的肩章在阳光下闪闪发光。
C1 verb /ɪnˈɡroʊs/

engross

专注
Meaning
to absorb all the attention or interest of someone
Example
She was so engrossed in the book that she forgot the time.
她如此专心读书，以至于忘记了时间。
B1 adverb /ˈdeɪndʒərəsli/

Dangerously

危险地
Meaning
in a way that could cause harm or injury; riskily
Example
He was driving dangerously fast on the highway.
他在高速公路上开得非常危险。
C1 adjective /səbˈsɜːviənt/

subservient

Meaning
prepared to obey others unquestioningly; less important than something else
Example
She was too subservient to challenge his decision.
B1 adjective /əˈfɪʃəl/

official

官方
Meaning
relating to or connected with an authority or public office
Example
He is the official spokesperson for the company.
他是公司的官方发言人。
C1 noun /ˈsɑːɡə/

saga

长篇故事
Meaning
A long story of heroic achievement, or a long, complex series of events.
Example
The company's rise and fall became a corporate saga.
公司的兴衰成为了一部企业传奇。
B2 noun /pɪtʃ/

pitch

音调，投掷
Meaning
the quality of a sound; the level or degree of intensity; a throw or toss
Example
The singer's pitch was perfect during the performance.
歌手的音调在表演中完美无瑕。
C1 noun /ˌdiːˈmer.ɪt/

Demerit

过错; 缺点; 由于过错或违法行为而给出的标记
Meaning
a fault or disadvantage; a mark given for a fault or offense
Example
The student received a demerit for arriving late to class repeatedly.
学生因为多次迟到而得到了一个德梅里特。
B1 noun /ˈvaɪrəs/

virus

病毒
Meaning
A tiny infectious agent that can replicate only inside the living cells of an organism.
Example
The computer was infected with a dangerous virus.
计算机感染了一个危险的病毒。
C1 noun /ɡlɔːs/

Gloss

一层光亮或光滑的表面; 唇部光泽
Meaning
a shiny or lustrous surface finish; a superficially attractive appearance; lip gloss
Example
She applied a clear gloss to her lips to give them a shiny, healthy appearance.
她在嘴唇上涂上透明光泽，让它们看起来光亮健康。
A1 pronoun /jɔːrz/

yours

你的
Meaning
belonging to or associated with the person or people that the speaker is addressing
Example
This pen is yours.
这支钢笔是你的。
B2 noun /ˈbætʃələr/

Bachelor

单身汉; 拥有大学学位的人
Meaning
an unmarried man; a person who holds a first degree from a university
Example
He remained a bachelor all his life and earned a bachelor's degree in engineering.
他一生都保持单身，并获得了工程学位。
B2 verb /hɔːlt/

halt

停止
Meaning
to stop or bring to a stop
Example
The train suddenly halted at the station.
火车突然在车站停了下来。
C2 verb /ˌdɪsɪnˈhɛrɪt/

disinherit

剥夺继承权
Meaning
to deprive someone, especially a child, of inheritance or right to property
Example
The father threatened to disinherit his son for his reckless actions.
父亲威胁要因儿子的鲁莽行为剥夺他的继承权。
A1 adverb /ðɛn/

then

然后
Meaning
at that time; next in order of time or place
Example
We went to the park, and then we had lunch.
我们去了公园，然后吃午餐。
B2 adverb /ˈvɜː.tʃu.ə.li/

Virtually

几乎; 实际上;
Meaning
nearly; almost; in effect though not in name
Example
The building was virtually destroyed in the earthquake.
这座建筑在地震中几乎被摧毁。
C1 noun /ˈɡɑːr.lənd/

Garland

花环; 花冠;
Meaning
a wreath of flowers and leaves, worn on the head or hung as decoration
Example
The bride wore a beautiful floral garland during the traditional ceremony.
新娘在传统仪式中佩戴了美丽的花环。
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。
C1 verb /ɪmˈbrɔɪdər/

embroider

刺绣
Meaning
to decorate fabric with patterns using a needle and thread
Example
She embroidered flowers on the pillowcase.
她在枕套上刺绣了花朵。
B2 noun ˌæn.tiˈɒk.sɪ.dənts

antioxidants

抗氧化剂
Meaning
A substance that may prevent or delay some types of cell damage.
Example
Fruits and vegetables are rich in antioxidants.
水果和蔬菜富含抗氧化剂。
B2 noun /vɜːrdʒ/

Verge

边缘; 极限; 门槛
Meaning
the edge or border of something; very close to happening
Example
She was on the verge of tears.
她几乎要哭出来了。
A1 noun /klɑːs/

class

班级
Meaning
a group of students taught together or a category of people or things with shared characteristics
Example
Our class meets every morning at nine.
我们的班级每天早上九点见面。
B1 noun /ˈkʌˈs.təm/

Custom

习俗; 风俗; 关税;
Meaning
a traditional practice or behavior; duties levied on imports; habitual practice
Example
It is a local custom to remove shoes before entering someone's home.
在进入别人家之前，脱鞋是当地的习俗。
C2 noun /nɪmf/

Nymph

水仙
Meaning
a mythological spirit of nature; a beautiful young woman in classical mythology
Example
The water nymph appeared by the moonlit lake.
水仙出现在月光下的湖边。
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

预定
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
一些人相信我们的生活是命运预定的。
C2 noun /kwiːn kreɪp ˈmɜːrtəl/

Queen crape myrtle

皇后夹竹桃
Meaning
A flowering tree with colorful, crepe-like flowers, scientifically known as Lagerstroemia
Example
The Queen crape myrtle bloomed beautifully in the garden with its purple flowers.
皇后夹竹桃在花园里盛开，紫色的花朵美丽地绽放。
B2 noun /ˈkrɪstəl/

crystal

水晶
Meaning
a clear, transparent mineral or glass that forms a solid structure with regular patterns
Example
She wore a necklace made of sparkling crystal.
她戴着一条闪闪发光的水晶项链。
B2 noun /ˈseɪf.ɡɑːrd/

Safeguard

保护措施
Meaning
measure or action designed to protect someone or something
Example
New safeguards were implemented to prevent data breaches.
已实施新的保护措施以防止数据泄露。
C2 noun /ɪˈfluːviəm/

effluvium

难闻的气味
Meaning
an unpleasant or harmful odor, secretion, or discharge
Example
The effluvium from the factory spread across the neighborhood.
工厂的废气弥漫到整个社区。
B2 noun /ɪnˈvɛstɪˌɡeɪtər/

investigator

幸福
Meaning
a person who carries out a formal inquiry or investigation
Example
The investigator gathered evidence from the crime scene.
当她获得奖项时，她无法掩饰自己的幸福。
C1 noun /ɪkˈspæns/

expanse

广阔的区域
Meaning
a wide, open area of land, sea, or sky
Example
The desert is a vast expanse of sand and rock.
沙漠是一个广阔的沙子和岩石区域。
A1 adjective /ˈɔːr.ɪndʒ/

Orange

橙色
Meaning
having a color between red and yellow like that of a ripe orange fruit
Example
The orange sunset painted the sky magnificently.
橙色的日落把天空画得非常壮丽。
B1 noun /ˈbeɪ.kɪŋ ˈsoʊ.də/

Baking Soda

泡打粉
Meaning
sodium bicarbonate used in cooking and baking as a leavening agent
Example
Add a teaspoon of baking soda to make the cake fluffy.
加入一茶匙泡打粉使蛋糕更加松软。
B2 verb /ˈrʌm.bəl/

rumble

幸福
Meaning
to make a continuous deep, resonant sound
Example
Thunder rumbled in the distance.
当她收到奖项时，她无法隐藏自己的幸福。
B2 verb /θraɪv/

thrive

Meaning
to grow, develop, or be successful
Example
Small businesses can thrive with proper support.
C1 adjective /ˈkɔːrəl/

choral

与合唱团相关
Meaning
Relating to, written for, or performed by a choir or chorus.
Example
The church hosted a choral performance on Sunday.
教堂在周日举办了合唱表演。
C1 adjective /ˈveɪɡrənt/

Vagrant

流浪; 无家可归
Meaning
wandering aimlessly; having no settled home
Example
The vagrant man was asking for food near the station.
流浪汉在车站附近乞讨食物。
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

水文循环
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
水文循环确保自然界中水的持续流动。
C1 verb /ɪnˈfjuːz/

infuse

Meaning
to fill or spread through something; to instill a quality, idea, or feeling
Example
The teacher tried to infuse her students with a love for reading.
A2 noun /ˈdɑrk.nəs/

Darkness

黑暗; 无知;
Meaning
the partial or total absence of light; wickedness or evil; ignorance or lack of knowledge
Example
The power outage plunged the entire city into darkness.
停电使整个城市陷入了黑暗。
A2 noun /bɪɡ boʊl/

Big bowl

大碗
Meaning
a large, round, shallow container used for serving food, mixing ingredients, or washing
Example
She mixed the ingredients in a big bowl.
她在一个大碗里混合了食材。
B2 adjective /ˈʃɔːrt ˌsaɪtɪd/

Short-sighted

近视; 短期视野
Meaning
lacking foresight or consideration for the future; myopic
Example
His short-sighted decision to quit school early affected his career prospects.
他短视的决定早早离开学校影响了他的职业前景。
C1 noun /strəˈtiː.dʒɪk ˈɪn.saɪts/

strategic insights

战略洞察力
Meaning
Deep understanding and wisdom gained through careful analysis for planning purposes.
Example
Strategic insights guide policymaking.
战略洞察力引导政策制定。
A2 preposition /ɪnˈkluːdɪŋ/

including

包括
Meaning
used to show that someone or something is part of a larger group
Example
Many people attended the event, including students and teachers.
许多人参加了这个活动，包括学生和教师。
B2 noun ˈɪn.frəˌstrʌk.tʃər

infrastructure

基础设施
Meaning
The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
Example
Digital infrastructure is vital for future advancements.
数字基础设施对未来的进步至关重要。
C2 noun ˌmɛtəkɒɡˈnɪʃən

metacognition

思考思考
Meaning
Awareness and understanding of one's own thought processes
Example
Metacognition enhances problem-solving abilities.
元认知增强了解决问题的能力。
B2 verb /dɪˈpɪkt/

depict

Meaning
to represent or show something in a picture, story, or other art form
Example
The painting depicts a beautiful sunset over the sea.