bubble
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B1 noun /ˈbʌb.əl/

bubble

Meaning
a thin sphere of liquid enclosing air or gas; a temporary state of inflated value or excitement
Example
The children chased the bubbles in the air.
B1 adjective /rɪˈdɪk.jə.ləs/

Ridiculous

Meaning
extremely silly or unreasonable; deserving or causing laughter
Example
The idea of building a house without tools is ridiculous.
B1 noun /səˈlɛbrɪti/

celebrity

Meaning
a famous person, especially in entertainment or sports
Example
The celebrity was surrounded by fans at the airport.
B1 verb /krɔːl/

crawl

Meaning
to move slowly on hands and knees; to move very slowly
Example
The baby crawled across the floor to reach the toy.
B1 verb /briːð/

breathe

Meaning
To take air into the lungs and send it out again.
Example
It was hard to breathe in the smoky room.
B1 verb /θrɪl/

Thrill

Meaning
to cause someone to feel very excited and pleased
Example
The roller coaster ride thrills adventure seekers.
B1 verb /ɪnˈsɪst/

insist

Meaning
to demand firmly; to state persistently
Example
He insisted on paying the bill.
B1 adjective, verb (past participle of wear) /wɔːrn/

worn

Meaning
damaged, weakened, or deteriorated from use or age
Example
His shoes were old and worn.
B1 verb /ɪɡˈzæm.ɪn/

examine

Meaning
to look at something carefully in order to understand it
Example
The doctor will examine the patient tomorrow.
B1 noun /ˈɪnsɪdənt/

incident

Meaning
an event or occurrence, often unpleasant or unusual
Example
The police quickly responded to the incident in the park.
B1 verb /siːk/

seek

Meaning
to try to find or obtain something; to attempt or desire to achieve
Example
He decided to seek advice from his mentor.
B1 noun /ˈwelˌbiː.ɪŋ/

well-being

Meaning
The state of being comfortable, healthy, or happy.
Example
Eye lubrication is crucial for overall well-being.
B1 noun /ˈsɜr.fɪs/

Surface

Meaning
the outside part or uppermost layer of something
Example
The submarine emerged to the surface of the ocean.
B1 adjective /peɪl/

Pale

Meaning
having a light color; lacking brightness or vividness; weak or faint
Example
She looked pale after being sick for a week.
B1 adverb /ˈsekəndli/

secondly

Meaning
Used to introduce the second point in a list of arguments or ideas.
Example
Firstly, we need funding; secondly, we need a strong team.
B1 noun /ˈsɛkrəteri/

secretary

Meaning
a person employed to handle correspondence and manage routine tasks for an individual or organization
Example
The secretary scheduled the meeting for tomorrow.
B1 noun ɪmˈpruːv.mənts

improvements

Meaning
The action of making or becoming better; an instance of something becoming or being made better.
Example
Continuous improvements increase productivity.
B1 noun ˈtʃeə.pɜː.sən

chairperson

Meaning
A person who is in charge of a meeting or organization; the presiding officer of a committee, board, or organization.
Example
The chairperson ensures procedural integrity.
B1 adverb /ˈsædli/

sadly

Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.
B1 noun ˌɔː.ɡən.aɪˈzeɪ.ʃən

organization

Meaning
An organized group of people with a particular purpose, such as a business or government department.
Example
The organization was officially inaugurated in 2024.
B1 adjective /ˈsekənderi/

secondary

Meaning
Less important than something else; derived from or dependent on something primary.
Example
Safety is our primary concern, while speed is only secondary.
B1 adjective /ˈnær.oʊ/

Narrow

Meaning
having a small width; thin; limited in scope; restricted
Example
The narrow street was barely wide enough for two cars.
B1 noun, verb /ˈfəʊtəʊˌkɒpi/

photocopy

Meaning
a copy of a document made using a photocopying machine; to make such a copy
Example
Please photocopy these documents before the meeting.
B1 adjective dəˈmes.tɪk

domestic

Meaning
Existing or occurring inside a particular country; not foreign or international.
Example
Domestic investments stabilize the economy.
B1 adjective /rɪˈlɪdʒəs/

Religious

Meaning
relating to or believing in a religion; devout; spiritual;
Example
He comes from a very religious family.
B1 noun /ɪmˈpruːvmənt/

improvement

Meaning
the act of making something better
Example
There has been a significant improvement in his health.
B1 verb /rɪˈper/

repair

Meaning
to fix something that is broken or damaged
Example
The mechanic will repair the car's engine tomorrow.
B1 adjective /ˈkɒn.stənt/

Constant

Meaning
occurring continuously over a period of time; unchanging; steady
Example
The machine runs at a constant speed.
B1 noun /ˈkɒtɪdʒ/

cottage

Meaning
a small simple house, typically in the countryside
Example
They spent their vacation in a cozy cottage by the lake.
B1 adjective ˈsʌb.mə.riːn

submarine

Meaning
Existing, occurring, or used underwater, especially in relation to vessels or cables.
Example
Submarine cables facilitate international communication.
B1 noun ɪnˈtel.ɪ.dʒəns

intelligence

Meaning
The ability to learn, understand, and think in a logical way about things
Example
Intelligence is key in AI development.
B1 verb /ʌnˈlɒk/

unlock

Meaning
to open something that is locked; to make something accessible or available
Example
She used the key to unlock the door.
B1 verb /braʊz/

browse

Meaning
To look at or skim through casually, especially online or in a store
Example
She likes to browse books in the library.
B1 adjective /ˈbælənst/

balanced

Meaning
keeping or showing a sensible and fair view or position; evenly arranged
Example
A balanced diet is essential for good health.
B1 adjective /ʌnˈʃʊr/

unsure

Meaning
not certain or confident; feeling doubt
Example
She felt unsure about the decision.
B1 noun /ˈkʊkər/

cooker

Meaning
a device or appliance used for cooking food; a person or thing that cooks
Example
The rice cooker makes cooking meals much easier.
B1 adjective /ɪnˌθjuːziˈæstɪk/

enthusiastic

Meaning
Having or showing intense and eager enjoyment, interest, or approval.
Example
The explorers were enthusiastic about the journey.
B1 verb /ʃɪft/

shift

Meaning
To move or change from one place, position, or situation to another.
Example
She had to shift her focus to the new project.
B1 noun /lɔːn/

Lawn

Meaning
an area of short, regularly mown grass in the grounds of a house or in a park
Example
She waters the lawn every morning.
B1 noun /ˈref.ər.əns/

Reference

Meaning
the action of mentioning or alluding to something; a source of information
Example
Please provide references to support your research claims.
B1 adjective /ˈjuːnɪfɔːrm/

Uniform

Meaning
consistent; identical; standardized
Example
All students must wear a uniform to school.
B1 adverb /ˈɔːfəli/

awfully

Meaning
in a very great degree; extremely; in a way that is very bad or unpleasant
Example
I am awfully glad to see you again.
B1 adverb /praɪˈmɛrɪli/

primarily

Meaning
for the most part; mainly
Example
She is primarily responsible for managing the finances.
B1 adjective /ænˈtiːk/

Antique

Meaning
old and valuable; belonging to ancient times
Example
She collected antique furniture from the Victorian era.
B1 verb /slɪp/

slip

Meaning
to lose balance or fall while moving, or to accidentally slide from a position
Example
She slipped on the wet floor and fell.
B1 noun /ʌnˈhæp.i.nəs/

unhappiness

Meaning
the state of being unhappy; sadness or dissatisfaction
Example
Her constant unhappiness affected everyone around her.
B1 noun /rɪˈpɔːtɪŋ/

reporting

Meaning
the act of giving news or information about something
Example
Good reporting is essential for public awareness.
B1 noun /ˈsɛkʃən/

section

Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
B1 adjective /ˈvæljʊəbl/

Valuable

Meaning
worth a great deal of money; extremely useful or important
Example
The painting is very valuable and worth millions.
B1 noun /sʌm/

sum

Meaning
the total amount resulting from the addition of two or more numbers or items
Example
The sum of 8 and 12 is 20.
B1 noun /bɔɪl/

Boil

Meaning
a painful, pus-filled bump under the skin caused by infected hair follicles
Example
The painful boil on his neck required medical treatment.
B1 noun /ˈspiːʃiːz/

Species

Meaning
a group of living organisms that can reproduce with each other; a type or kind
Example
The Amazon rainforest is home to thousands of animal species.
B1 noun ˈbreɪvəri

bravery

Meaning
Courageous behavior or character; the quality of being brave.
Example
The bravery of our soldiers is unforgettable.
B1 adverb /ˈkɒmənli/

commonly

Meaning
usually or by most people
Example
This phrase is commonly used in everyday speech.
B1 noun /ˈsæl.ər.i/

Salary

Meaning
a fixed regular payment, typically paid on a monthly basis
Example
She receives a good salary for her work as a teacher.
B1 adjective ˈriː.dʒən.əl

regional

Meaning
Relating to or characteristic of a region.
Example
Regional hubs support localized industries.
B1 adjective /ʌnˈfrɛndli/

unfriendly

Meaning
not kind or welcoming; hostile or cold in behavior or attitude
Example
The shop owner seemed unfriendly to new customers.
B1 noun /sɛl/

cell

Meaning
a small basic unit of life; or a small enclosed space like a prison room
Example
The prisoner was locked in a small cell.
B1 noun /ˈkɛmɪstri/

chemistry

Meaning
the branch of science that studies substances and their interactions; also the emotional connection between people
Example
They have great chemistry and work well together.
B1 noun /weɪst/

Waist

Meaning
the part of the human body below the ribs and above the hips
Example
She tied a belt around her waist.
B1 noun /rɪˈsep.ʃən/

Reception

Meaning
the action of receiving something or someone; a formal social occasion held to welcome someone
Example
The wedding reception was held at a beautiful hotel.
B1 adjective /ˈɡɪvən/

given

Meaning
Specified or stated; already decided or certain.
Example
It is a given fact that hard work leads to success.
B1 verb /bɜːrst/

burst

Meaning
to break open suddenly; to be full of something
Example
The balloon bursts with a loud pop.
B1 noun /ˈfaɪəˌfaɪtə/

firefighter

Meaning
a person whose job is to put out fires
Example
The firefighter saved the family from the burning building.
B1 adjective /ˈnɔːðərn/

northern

Meaning
relating to the north or situated in the north
Example
The northern part of the country is known for its cold climate.
B1 verb /ˈɡɑːsɪp/

gossip

Meaning
to talk about other people's private lives, often in an unkind way
Example
They love to gossip about their neighbors.
B1 noun /ˈprɛɡnənsi/

pregnancy

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.
B1 noun /ˈwɔːtərfɔːl/

Waterfall

Meaning
a cascade of water falling from a height, formed when a river or stream flows over a precipice or steep incline
Example
The magnificent waterfall attracts thousands of tourists every year.
B1 adjective /ˈkæʒ.u.əl/

Casual

Meaning
relaxed and unconcerned; happening by chance; informal
Example
He wore casual clothes to the party.
B1 noun ˈseʃən

session

Meaning
A meeting of an official body, especially a legislature, council, or court of law, to conduct its business.
Example
The session was held on February 25.
B1 noun /ˈθɛrəpɪst/

therapist

Meaning
a person trained to provide treatment or counseling for physical or mental health
Example
The therapist helped him overcome his anxiety.
B1 noun əbˈdʒek.tɪv

objective

Meaning
A thing aimed at or sought; a goal.
Example
The main objective is to test sustainability.
B1 noun /ˈeər fɔːrs/

Air force

Meaning
the military organization of a country that uses aircraft for fighting
Example
The air force conducted a training exercise over the mountains.
B1 adjective /əˈbiː.di.ənt/

Obedient

Meaning
willing to comply with orders or instructions; submissive
Example
The obedient student always follows the teacher's instructions.
B1 noun /ˈbæɹɪəz/

barriers

Meaning
Something that prevents progress or access; obstacles or hindrances.
Example
Language barriers can make communication difficult.
B1 adjective /ˈteknɪkəl/

Technical

Meaning
relating to or involving special skills or knowledge; requiring specialized training
Example
The manual contains technical instructions for operating the machine.
B1 noun /ˈmɛtəl/

metal

Meaning
A solid material that is typically hard, shiny, malleable, fusible, and conductive, such as iron, gold, or aluminum.
Example
The ring was made of precious metal.
B1 noun, verb /ˈmɜːrdər/

murder

Meaning
the unlawful killing of a person; to kill someone unlawfully and intentionally
Example
The detective investigated the murder that shocked the town.
B1 adjective /ˈfluː.ənt/

Fluent

Meaning
able to speak a language easily and accurately; flowing smoothly and gracefully
Example
She is fluent in three languages including English and French.
B1 noun /ˈklɪn.ɪk/

clinic

Meaning
A place where people receive medical treatment without staying overnight.
Example
She went to the clinic for a health check-up.
B1 noun /ˈsʌb.weɪ/

Subway

Meaning
an underground railway system; an underground passage for pedestrians
Example
I take the subway to work every morning because it's faster than driving.
B1 noun /ˈeɪ.dʒən.si/

Agency

Meaning
a business or organization that provides a particular service
Example
She works for a travel agency downtown.
B1 adjective /ˌʌnɪmˈpɔːrtənt/

unimportant

Meaning
not having much value, significance, or influence
Example
The detail seemed unimportant compared to the main issue.
B1 noun /ɪˈfɛk.tɪv kəˌmjuː.nɪˈkeɪ.ʃən/

effective communication

Meaning
Clear and meaningful exchange of information that achieves its intended purpose.
Example
Effective communication is key to strong relationships.
B1 noun /kjuː/

Queue

Meaning
a line of people or things waiting for something; a sequence
Example
We had to wait in a long queue to buy tickets for the movie.
B1 noun /ˈhev.ən/

Heaven

Meaning
a place regarded in various religions as the abode of God and the angels; a place of eternal happiness
Example
Many people believe that good souls go to heaven after they pass away from this world.
B1 noun /ˈmaɪ.krəˌskoʊp/

microscope

Meaning
An optical instrument used for viewing very small objects, such as cells, by magnifying them.
Example
The scientist observed the bacteria under the microscope.
B1 adverb /ʌnˈfɔːrtʃənətli/

Unfortunately

Meaning
used to express regret or disappointment about something
Example
Unfortunately, the weather was bad for our picnic.
B1 noun /rɪˈvɪʒ.ən/

Revision

Meaning
the action of revising; a revised edition or form of something; review of subject matter
Example
The students spent hours doing revision for their final exams.
B1 verb প্রিভেন্টস

prevents

Meaning
To stop something from happening or arising.
Example
Bangladesh's warm climate prevents snowfall.
B1 adverb /ˈbreɪv.li/

Bravely

Meaning
in a way that shows courage and determination
Example
The firefighter bravely entered the burning building.
B1 verb, adjective /spɛnt/

spent

Meaning
Past tense and past participle of 'spend'; also used as an adjective meaning exhausted or used up.
Example
She spent all her energy preparing for the exam.
B1 noun tɪk mɑːrk

tick mark

Meaning
A mark (✓) used to indicate that something is correct or has been chosen, checked, or dealt with.
Example
I put a tick mark on all the completed tasks.
B1 noun /ˈdaɪ.ə.lɑːɡ/

Dialogue

Meaning
a conversation between two or more people; discussion aimed at exploration of a subject
Example
The political leaders engaged in meaningful dialogue to resolve the conflict.
B1 noun /baɪˈɒlədʒi/

biology

Meaning
The scientific study of living organisms.
Example
Biology explains how plants and animals function.
B1 adverb /pəˈlaɪt.li/

Politely

Meaning
in a respectful and considerate manner; courteously; with good manners
Example
She politely declined the invitation because she had other commitments.
B1 verb /ter/

tear

Meaning
to pull apart or damage by force; to rip
Example
Be careful not to tear the paper.
B1 adverb /ˈpriːviəsli/

previously

Meaning
at an earlier time or before now
Example
She had previously worked at a bank before starting her own business.
B1 noun /ˈkɒnsɪkwənsɪz/

consequences

Meaning
Results or effects of an action or condition.
Example
The consequences of ignoring safety protocols can be severe.
B1 noun rɔː mətɪˈrɪəlz

raw materials

Meaning
The basic material from which a product is made.
Example
The factory imports raw materials for production.
B1 noun /twiːt/

Tweet

Meaning
a short high-pitched sound made by a small bird; a post on Twitter
Example
I heard the sweet tweet of a sparrow this morning.
B1 adverb /ˈdiːp.li/

Deeply

Meaning
to a great depth; intensely; profoundly
Example
She breathed deeply before making her decision.
B1 adjective /pleɪn/

plain

Meaning
simple or clear, without decoration or complexity
Example
She wore a plain white dress to the ceremony.
B1 noun ɡreɪt wɔːl əv ˈtʃaɪ.nə

Great Wall of China

Meaning
A massive ancient fortification system in China, built to protect against invasions and considered one of the most famous landmarks in the world.
Example
The Great Wall of China is one of the most famous landmarks in the world.
B1 adjective /ˈneɪtɪv/

native

Meaning
Belonging to a person by birth; originating in a particular place.
Example
He is a native speaker of Bengali.
B1 noun, verb /spoʊk/

spoke

Meaning
As a noun, a bar connecting the center of a wheel to its rim; as the past tense of 'speak'.
Example
The bicycle's spoke was bent after the accident.
B1 noun /ˈnaɪt.meər/

Nightmare

Meaning
a frightening or unpleasant dream; a very unpleasant experience
Example
The exam was a complete nightmare for unprepared students.
B1 noun ˌdʒɛnəˈreɪʃənz

Generations

Meaning
All of the people born and living at about the same time, regarded collectively.
Example
The family tree spans several generations.
B1 verb /mɛlt/

melt

Meaning
to change from solid to liquid due to heat; to disappear gradually
Example
The ice melted in the sun.
B1 verb /rɪˈleɪt/

relate

Meaning
to connect or show a link between; to tell a story
Example
She relates her experience to the audience.
B1 noun /dɪˈskʌvəri/

discovery

Meaning
The act of finding or learning something for the first time.
Example
The discovery of penicillin changed medical history.
B1 noun /ˈhɔːlweɪ/

hallway

Meaning
a corridor in a building that connects rooms
Example
The kids left their shoes in the hallway.
B1 adjective ˌsaɪənˈtɪfɪk

scientific

Meaning
Based on or characterized by the methods and principles of science.
Example
Scientific discoveries continue to shape our understanding of the world.
B1 noun /kræb/

Crab

Meaning
a crustacean with a broad carapace, stalked eyes, and five pairs of legs, the first pair of which are modified as pincers
Example
The crab scuttled sideways across the sand.
B1 adjective /ˈdaɪɪŋ/

Dying

Meaning
approaching death; in the process of dying; fading away
Example
The dying plant needs water immediately.
B1 verb /waɪp/

wipe

Meaning
to clean or dry something by rubbing with a cloth or tissue
Example
Please wipe the table clean.
B1 adjective /ˌdɪs.əˈpɔɪn.tɪd/

Disappointed

Meaning
sad because something has not happened or is not as good as expected
Example
She was disappointed with her exam results.
B1 adverb /ˌnesəˈserəli/

Necessarily

Meaning
as a necessary result; inevitably; by logical consequence
Example
Rich people are not necessarily happy.
B1 adverb /ðʌs/

thus

Meaning
as a result or consequence of something previously stated
Example
He was late, thus he missed the meeting.
B1 noun /ˈpɔːtrət/

portrait

Meaning
a painting, drawing, photograph, or engraving of a person, especially one showing the face
Example
The artist painted a beautiful portrait of his wife.
B1 noun æmˈbɪʃ.ən

ambition

Meaning
A strong desire to do or achieve something, typically requiring determination and hard work.
Example
Their ambition is to build a quantum computer.