submarine
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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 /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 /ˈsɛtʌp/

setup

Meaning
an arrangement of things or the way in which something is organized or prepared
Example
The setup of the event took hours to complete.
B1 noun səˈplaɪ

supply

Meaning
A stock or amount of something supplied or available for use.
Example
Supply chains ensure resource availability.
B1 noun /ˌsaʊθˈiːst/

southeast

Meaning
the direction that is between south and east; a region in that direction
Example
The city is located in the southeast of the country.
B1 noun /ˈspɪr.ɪt/

Spirit

Meaning
the non-physical part of a person; enthusiasm or courage; the essential character of something
Example
The team showed great spirit despite losing the match.
B1 verb /swɪtʃ/

switch

Meaning
to change from one thing to another; to exchange or replace
Example
I switched from coffee to tea.
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, 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 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 adjective /ˈsætɪsfaɪd/

satisfied

Meaning
Pleased or content with what has been achieved or received.
Example
He felt satisfied after finishing his project.
B1 adjective /ˈsɒlɪd/

solid

Meaning
firm and stable in shape; not liquid or fluid
Example
The ground was solid underfoot.
B1 noun səˈluː.ʃənz

solutions

Meaning
A means of solving a problem or dealing with a difficult situation.
Example
Biotechnology provides solutions to environmental challenges.
B1 adjective /səˈfɪʃənt/

Sufficient

Meaning
enough; adequate for the purpose; satisfactory
Example
We have sufficient time to complete the project.
B1 noun /ˈsʌp.ər/

Supper

Meaning
an evening meal, typically a light or informal one
Example
We usually have supper around seven o'clock.
B1 verb səˈpɔːrtɪŋ

supporting

Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
B1 noun ˈsaɪləns

silence

Meaning
Complete absence of sound; quietness.
Example
Silence filled the air near the graves.
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 /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, verb /skiːm/

scheme

Meaning
a plan or arrangement, especially one that is secret or dishonest
Example
They devised a scheme to cheat investors.
B1 noun /ˈseɪ.ɪŋ/

Saying

Meaning
a well-known phrase that expresses something true about life; a proverb
Example
There's an old saying that practice makes perfect.
B1 noun /ˌsæt.ɪsˈfæk.ʃən/

Satisfaction

Meaning
fulfillment of one's wishes, expectations, or needs
Example
She felt great satisfaction after completing the project.
B1 noun /ˈseɪ.lər/

Sailor

Meaning
a person who works on a ship or boat; a member of a navy
Example
The experienced sailor navigated the ship through the storm.
B1 verb /straɪk/

Strike

Meaning
to hit forcefully; to stop work as a form of protest
Example
Lightning strikes the tall building during the storm.
B1 adverb /ˈspeʃ.əl.i/

Specially

Meaning
for a particular purpose; especially; specifically
Example
This gift was specially made for you.
B1 noun /ˈseɪ.vɪŋz/

savings

Meaning
Money that is saved, especially in a bank or official scheme for future use.
Example
Many people invest their savings in real estate.
B1 noun /seɪnt/

Saint

Meaning
person recognized as holy or virtuous; very kind or patient person
Example
Mother Teresa was declared a saint by the Catholic Church.
B1 adjective /ˌstreɪt ˈfɔːr.wərd/

Straight forward

Meaning
honest and open; not complicated; easy to understand
Example
His explanation was very straightforward and easy to follow.
B1 adverb /ˈʃɔːt.li/

Shortly

Meaning
soon; in a short time; briefly
Example
The meeting will begin shortly.
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 /ˈsaɪdˌwɔːk/

sidewalk

Meaning
a paved path for pedestrians at the side of a street.
Example
Children were playing on the sidewalk.
B1 noun /ˈsʌn.laɪt/

sunlight

Meaning
Direct light from the sun.
Example
Sunlight does not reach the abyssal depths of the ocean.
B1 adjective /ˈskɪlfʊl/

Skilful

Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
B1 noun, verb /ˈseɪ.lɪŋ/

sailing

Meaning
The act of traveling in a boat or ship using sails; the sport or activity of navigating a boat with sails.
Example
We went sailing on the lake during the summer.
B1 adjective /ˈsensəbəl/

Sensible

Meaning
having or showing good sense; practical and reasonable
Example
It would be sensible to take an umbrella because it might rain.
B1 adjective /spəˈsɪfɪk/

specific

Meaning
Clearly defined or identified; particular; exact.
Example
Make a specific plan to beat procrastination.
B1 noun /ˈʃed.juːl/

Schedule

Meaning
a plan that lists things or events and the times when they will happen; timetable
Example
Please check your schedule before confirming the meeting time.
B1 noun /ˈspeʃəlɪst/

Specialist

Meaning
a person who has specialized knowledge or training in a particular area; an expert
Example
She consulted a heart specialist about her condition.
B1 noun ˈseɪ.vɪŋ

saving

Meaning
The practice of keeping and accumulating money for future use rather than spending it immediately.
Example
Regular saving habits ensure financial security.
B1 adjective /sɪˈlek.tɪd/

selected

Meaning
carefully chosen from a group for a particular purpose
Example
He was one of the selected candidates for the scholarship.
B1 noun ˈstrʌɡ.əl

struggle

Meaning
A forceful or violent effort to get free of restraint or resist attack; a determined effort under difficult circumstances.
Example
The struggle for independence united the nation.
B1 adverb /sɪnˈsɪrli/

sincerely

Meaning
with genuine feelings; honestly and truly
Example
I sincerely hope you recover soon.
B1 noun/verb /skeɪl/

scale

Meaning
A system of ordered marks used for measurement; also means to climb or to adjust in size.
Example
The company plans to scale its operations globally.
B1 adjective /ˈsʌm.wʌt/

Somewhat

Meaning
to some extent; rather; moderately
Example
The movie was somewhat interesting but not great.
B1 adverb /səkˈsɛsfəli/

successfully

Meaning
in a way that achieves a desired result
Example
She passed the exam successfully after weeks of studying.
B1 verb /skriːm/

scream

Meaning
to make a loud, high-pitched sound, usually because of fear, pain, or excitement
Example
She screamed when she saw the spider.
B1 adjective /ˈsoʊ kɔːld/

so-called

Meaning
referred to as or known by a particular name or title, often misleadingly
Example
The so-called expert couldn't answer the question.
B1 verb /seɪl/

sail

Meaning
to travel on water in a boat or ship using sails or by wind power
Example
They sailed across the Atlantic Ocean last summer.
B1 adjective /ʃeɪpt/

shaped

Meaning
having a particular form or appearance
Example
The sculpture was shaped like a human figure.
B1 noun /skriːn/

Screen

Meaning
a flat surface on which pictures or words are shown; a movable partition used to divide a room
Example
The movie was displayed on a large screen in the theater.
B1 noun, verb /stɒk/

stock

Meaning
a supply of goods kept for sale or use; to keep or fill with goods
Example
The shop stocks a wide variety of products.
B1 adjective /ˈspaɪ.si/

Spicy

Meaning
having a strong, hot flavor from spices; containing spices
Example
This curry is too spicy for me to eat.
B1 adjective /strɪkt/

Strict

Meaning
demanding exact conformity to rules; severe; rigorous
Example
The teacher is very strict about homework deadlines.
B1 noun /ˈsɜːvənt/

servant

Meaning
a person who performs duties for others, especially in a household
Example
The servant opened the door for the guests.
B1 noun /ʃeɪm/

Shame

Meaning
a painful feeling of humiliation or distress; something regrettable
Example
He felt deep shame for his dishonest behavior at work.
B1 noun /swiːt pəˈteɪtoʊ/

Sweet potato

Meaning
A root vegetable with sweet flesh, typically orange or purple in color
Example
Roasted sweet potato makes a healthy and delicious side dish.
B1 noun /səˈdʒes.tʃən/

Suggestion

Meaning
an idea or plan put forward for consideration; advice or recommendation
Example
Do you have any suggestions for improving our team's productivity?
B1 adverb /ˈsel.dəm/

Seldom

Meaning
not often; rarely; infrequently
Example
She seldom goes to the cinema.
B1 noun /saɪt/

site

Meaning
a location or place, often used for a specific purpose, such as a construction site or a website
Example
The construction site is ready for the next phase of the project.
B1 noun /ˈsʌb.stəns/

Substance

Meaning
a particular kind of matter with uniform properties; the essential nature of something; material or content
Example
The scientist analyzed the unknown substance in the laboratory.
B1 noun /seɪk/

Sake

Meaning
purpose or reason for doing something; benefit or interest
Example
She worked overtime for the sake of her family's future.
B1 noun /stiːl/

steel

Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
B1 adjective /ʃɛrd/

shared

Meaning
used, done, or experienced by two or more people together
Example
They live in a shared apartment near the university.
B1 verb /skɪp/

skip

Meaning
to omit or pass over something; to move lightly or quickly
Example
He decided to skip breakfast and go straight to work.
B1 noun /steɪk/

steak

Meaning
a thick slice of meat, typically beef, cooked by grilling or frying
Example
He ordered a grilled steak with vegetables.
B1 adverb /ˈsædli/

sadly

Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.
B1 noun /ˈstʌmək eɪk/

stomach ache

Meaning
Pain in the stomach or abdominal area
Example
I have a stomach ache after eating too much.
B1 noun /ˈsmoʊkər/

smoker

Meaning
A person who smokes tobacco or other substances
Example
He is a heavy smoker and tries to quit every year.
B1 noun /ˈsʌməri/

summary

Meaning
A brief statement of the main points of something.
Example
She wrote a summary of the book for her class.
B1 noun /ʃrɪmp/

Shrimp

Meaning
a small marine crustacean with a slender body and long legs
Example
We ordered grilled shrimp with garlic butter for dinner.
B1 noun ˈstæn.dədz

standards

Meaning
A level of quality or attainment; a required or agreed level of quality or attainment.
Example
High standards inspire competitors.
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 /ˈsæm.ən/

salmon

Meaning
A large fish with pink flesh, often eaten as food.
Example
They served grilled salmon for dinner.
B1 noun /ˈsɜːdʒəri/

surgery

Meaning
a medical procedure involving the cutting of the body to treat a condition
Example
She underwent surgery to remove the tumor.
B1 verb /siːl/

seal

Meaning
to close or secure something tightly or officially confirm something
Example
He sealed the envelope before sending the letter.
B1 noun /ˈsæm.pəl/

Sample

Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
B1 adverb /səˈpraɪzɪŋli/

surprisingly

Meaning
in a way that causes surprise or amazement
Example
Surprisingly, she finished the entire project in just one day.
B1 verb /sɪŋk/

sink

Meaning
to go down below the surface; to descend
Example
The ship sinks in the deep ocean.
B1 noun /ˈsʌb.ɜːb/

Suburb

Meaning
a residential area outside the central part of a city; an outlying district of a city
Example
They moved to a quiet suburb to raise their children away from city noise.
B1 noun /ˈswɛtʃɜːrt/

sweatshirt

Meaning
A casual, long-sleeved pullover garment, typically made of cotton or fleece, worn for warmth or comfort.
Example
He wore a grey sweatshirt while jogging in the park.
B1 noun /ˈsiː.hɔːrs/

Sea-horse

Meaning
a small marine fish with segmented bony armor, an upright posture, and a curled prehensile tail
Example
The seahorse gracefully floated among the coral reefs.
B1 adjective /sɪɡˈnɪfɪkənt/

significant

Meaning
Sufficiently great or important to be worthy of attention; noteworthy.
Example
Social media has a significant impact on relationships.
B1 noun /ˌsaʊθˈwɛst/

southwest

Meaning
the direction that is between south and west; a region in that direction
Example
They traveled to the southwest of the country for their vacation.
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 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 adverb /spəˈsɪfɪkli/

specifically

Meaning
in a clear and exact way
Example
He was specifically asked to handle the finances.
B1 noun /ˈsoʊ.lər ˌsɪs.təm/

Solar system

Meaning
the sun and all the planets, moons, asteroids and other objects that orbit around it
Example
Our solar system has eight planets orbiting the sun.
B1 verb /spred/

spread

Meaning
to extend over a larger area; to distribute; to apply
Example
The news spread quickly through the town.
B1 noun /ˈsteɪtəs/

status

Meaning
the social or professional position or condition of someone or something
Example
His social status improved after the promotion.
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 verb /ʃaʊt/

shout

Meaning
to say something very loudly
Example
He shouted at the top of his lungs to get their attention.
B1 verb /səˈspɛkt/

suspect

Meaning
to believe that someone has done something wrong; to doubt or mistrust
Example
I suspect he is lying about his whereabouts.
B1 adjective ˈsen.sɪ.tɪv

sensitive

Meaning
Quick to detect or respond to slight changes, signals, or influences.
Example
Sensitive systems require precise handling.
B1 adjective /ˈsæt.ɪs.fæk.tər.i/

Satisfactory

Meaning
acceptable; meeting requirements; adequate
Example
The test results were satisfactory.
B1 noun /sleɪv/

slave

Meaning
a person who is the legal property of another and is forced to work for them
Example
The abolitionist movement fought for the rights of slaves.
B1 adjective /sɪnˈsɪər/

Sincere

Meaning
honest and genuine in expressing feelings; free from pretense or deceit
Example
She gave me a sincere apology for her mistake.
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 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 /sɒk/

sock

Meaning
a piece of clothing worn on the foot and lower part of the leg.
Example
He put on a pair of clean socks before leaving the house.
B1 noun /ˈskwɪr.əl/

Squirrel

Meaning
a small agile tree-dwelling rodent with a long bushy tail
Example
The squirrel gathered nuts for winter.
B1 noun /ˈslɪpər/

Slipper

Meaning
light, comfortable shoe without a back, worn indoors
Example
She put on her slippers before walking around the house.
B1 verb /sərˈvaɪv/

survive

Meaning
To continue to live or exist after a difficult event or situation.
Example
He managed to survive the storm.
B1 noun /skɑːrf/

Scarf

Meaning
a length of fabric worn around the neck or head for warmth, protection, or fashion
Example
She wrapped a warm scarf around her neck in the cold weather.
B1 noun ˈsɪs.təmz

systems

Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
B1 noun /sɛks/

sex

Meaning
the biological distinction between male and female; sexual activity
Example
He was asked about his sex at the doctor's office.
B1 verb /splɪt/

split

Meaning
to divide or separate into parts or groups
Example
He split the log in two with an axe.
B1 noun /ˈsɛkʃən/

section

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

Source

Meaning
a place, person, or thing from which something originates; the origin of information
Example
The river's source is high in the mountains.
B1 noun /seɪlz/

sales

Meaning
activities related to selling products or services
Example
The company saw a significant increase in sales during the holiday season.
B1 verb /stɛə/

stare

Meaning
to look at something with a fixed gaze
Example
She stared at the painting for hours.
B1 verb /spɛl/

spell

Meaning
to write or name the letters of a word in order; to mean or result in something
Example
Can you spell your name for me?
B1 verb /ʃuːt/

shoot

Meaning
to fire a bullet or arrow from a weapon; to take a photograph or film
Example
He learned how to shoot a bow and arrow.
B1 noun /soʊl/

Soul

Meaning
the spiritual or immaterial essence of a human being or animal; a person's emotional or intellectual nature
Example
She poured her heart and soul into her artwork.
B1 noun /ˈstætʃuː/

Statue

Meaning
a three-dimensional work of art, typically made of stone, metal, or wood
Example
The statue of liberty is a famous landmark in New York.
B1 noun /slaɪs/

Slice

Meaning
a thin, flat piece cut from something larger
Example
Would you like a slice of pizza?
B1 noun /stoʊv/

Stove

Meaning
a kitchen appliance used for cooking food by applying heat
Example
She cooked dinner on the gas stove.
B1 noun /swɒn/

Swan

Meaning
a large waterbird with a long curved neck and usually white plumage
Example
The elegant swan glided silently across the water.
B1 noun /ˈsʌn.raɪz/

Sunrise

Meaning
the time in the morning when the sun appears above the horizon
Example
We watched the beautiful sunrise from the mountain top.
B1 noun /ˈʃæd.oʊ/

Shadow

Meaning
a dark area where light is blocked by something; a person's silhouette
Example
The tree cast a long shadow across the garden in the evening.
B1 adjective /slaɪt/

Slight

Meaning
small in degree; not severe or intense; slim; thin
Example
There was a slight delay in the train schedule.
B1 adverb /sɪɡˈnɪfɪkəntli/

significantly

Meaning
in a way that is large or important enough to have an effect
Example
The economy has significantly improved over the last decade.