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B2 adjective /suːˈpɪə.ri.ər/

Superior

卓越; 优于平均水平
Meaning
higher in rank, quality, or importance; better than average
Example
This product is superior to all others in the market.
该产品在市场上优于所有其他产品。
A2 noun /ˈsoʊldʒər/

soldier

士兵
Meaning
a person who serves in an army, especially as a professional fighter
Example
The soldier marched proudly with his unit.
士兵骄傲地与他的部队一起行进。
A1 adjective /ˈspɛʃəl/

special

特别
Meaning
different from what is usual; better or greater than normal
Example
This gift is very special to me.
这份礼物对我来说非常特别。
A2 adverb /ˈseɪf.li/

Safely

安全
Meaning
in a safe manner; without danger or risk
Example
Drive safely on the icy road.
在结冰的道路上安全行驶。
B2 noun /ˈswɒl.oʊ/

Swallow

燕子
Meaning
a small migratory bird with long wings and a forked tail
Example
The swallow built its nest under the roof.
燕子在屋顶下筑巢。
A1 adverb /ˈsʌm.taɪmz/

Sometimes

有时
Meaning
at times; occasionally; now and then
Example
Sometimes I go for a walk in the evening.
有时我会在晚上散步。
B1 noun sɪˈlek.ʃən

selection

选择
Meaning
The action or fact of carefully choosing someone or something as being the best or most suitable.
Example
The selection process is based on merit.
选择过程基于优点。
C2 noun /sɪlf/

sylph

空灵精灵
Meaning
A mythical spirit of the air; also refers to a slender, graceful woman.
Example
She moved across the stage like a sylph, light and graceful.
她像一个空灵精灵一样轻盈而优雅地在舞台上移动。
C1 noun /ˈskaɪ.lɑːrk/

Sky-Lark

云雀
Meaning
a small brown bird known for singing while flying high in the sky
Example
The skylark sang beautifully as it soared above the meadow.
当云雀飞翔在草地上方时,它美丽地歌唱。
C1 adjective /ˈskwɒlɪd/

squalid

极其脏乱
Meaning
extremely dirty and unpleasant, often due to poverty or neglect
Example
He lived in a squalid room with broken furniture.
他住在一个脏乱的房间里,里面有坏掉的家具。
C1 noun /ˈʃʊɡ.ər ˈkæn.di/

Sugar candy

糖果
Meaning
crystallized sugar formed into small pieces; rock candy made from sugar syrup
Example
The children enjoyed eating colorful sugar candy at the festival.
孩子们在节日上享受吃彩色的糖果。
A2 adjective /smɑːrt/

Smart

聪明的; 机智的; 穿着得体的; 时尚的
Meaning
intelligent; quick-witted; well-dressed; stylish
Example
She made a smart decision to invest in technology stocks.
她做出了一个聪明的决定,投资于科技股票。
C2 noun /ˈsʌfrədʒɪst/

suffragist

妇女参政权运动者
Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
妇女参政权运动者组织了集会,要求为女性争取投票权。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痉挛性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
病人在夜间经历了痉挛性咳嗽。
A2 adjective /sɔft/

Soft

柔软; 温柔; 安静
Meaning
not hard or firm; gentle; quiet; tender
Example
The pillow is very soft and comfortable.
枕头很柔软,且很舒服。
B2 adjective /ˈseɪ.krɪd/

Sacred

神圣的
Meaning
connected with God or a god; considered holy; worthy of religious worship
Example
The sacred temple was visited by thousands of pilgrims.
这座神圣的寺庙吸引了成千上万名朝圣者前来参观。
C2 noun /ˈsɪnəd/

synod

主教会议
Meaning
An assembly of the clergy in a Christian church convened to decide on issues of doctrine or administration.
Example
The synod gathered to discuss reforms in the church.
主教会议聚集在一起讨论教会的改革。
B2 adverb /ˈʃɑːrpli/

sharply

急剧地
Meaning
suddenly and strongly; in a cutting or intense way
Example
Prices rose sharply after the announcement.
价格在公告后急剧上涨。
B1 noun /ˈsæm.pəl/

Sample

样本
Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
医生取了一个血液样本进行测试。
C2 noun /ˈstriːmlɪt/

streamlet

小溪
Meaning
a small stream; a tiny brook or rivulet
Example
A streamlet flowed through the meadow.
小溪流经草地。
C1 verb sɪˈkwɛstər

sequester

隔离, 隐藏
Meaning
To isolate or hide away.
Example
The carbon captured by trees can be sequestered for years.
树木捕获的碳可以被隔离多年。
C1 noun /ˈskævɪndʒər/

scavenger

食尸者 / 垃圾收集者
Meaning
an animal or person that feeds on dead or discarded material
Example
Vultures are natural scavengers that clean up the environment.
秃鹫是自然的清道夫,清理环境。
C2 verb /ˈsʌn.dər/

sunder

分裂
Meaning
To split apart or separate, especially with force.
Example
The war sundered families and friends.
战争使家庭和朋友分裂。
B2 verb, noun /sniːz/

sneeze

打喷嚏
Meaning
to expel air involuntarily from the nose and mouth due to irritation; the act of sneezing
Example
I had to sneeze during the meeting.
我在会议中不得不打喷嚏。
A2 adverb /ˈsʌd.ən.li/

Suddenly

突然
Meaning
quickly and without warning; unexpectedly
Example
The car suddenly stopped in the middle of the road.
车子突然停在了路中间。
B1 noun, verb /stɒk/

stock

库存
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.
商店储存大量的商品。
B2 noun /sɪmˈplɪsɪti/

Simplicity

简单; 清晰
Meaning
the quality of being simple; lack of complexity or intricacy
Example
The beauty of the design lies in its simplicity.
设计的美丽在于它的简单性。
A2 noun /sɒks/

Socks

袜子
Meaning
soft coverings for the feet, typically worn inside shoes
Example
I need to buy new socks for winter.
我需要为冬天买新袜子。
A2 verb /stɔːr/

store

储存
Meaning
to keep things in a place for future use; to save information
Example
She stores her winter clothes in the attic.
她把冬衣存放在阁楼里。
B2 adjective /stɜːrn/

Stern

严格的;严厉的
Meaning
serious and demanding exact conformity to rules; strict and severe
Example
The teacher gave the students a stern warning about cheating.
老师给学生们关于作弊的严厉警告。
C2 adjective sɑːˈtɔːrɪəl

sartorial

与衣物或风格相关
Meaning
Of or relating to clothing or style or manner of dress.
Example
His sartorial choices were always on trend and admired.
他的萨托里尔选择总是跟随潮流并受到钦佩。
C2 noun /sneɪk ɡɔːrd/

Snake gourd

蛇瓜
Meaning
a long, curved vegetable that resembles a snake, commonly used in South Asian cuisine
Example
The snake gourd grows in a twisted, serpentine shape in the garden.
蛇瓜在花园里以弯曲的蛇形生长。
C1 noun stɔːrm ɪnˌtensɪfɪˈkeɪʃən

storm intensification

风暴加强
Meaning
The process by which storms become stronger and more severe in intensity.
Example
Storm intensification is linked to climate change.
风暴加强与气候变化有关。
C2 noun /ˈsɛpəlkər/

sepulcher

墓室
Meaning
A small room or monument, cut in rock or built of stone, in which a dead person is buried.
Example
The ancient king was laid to rest in a grand sepulcher.
古代国王被安葬在一个宏伟的墓室中。
C1 noun /sɪˈnɪləti/

senility

衰老
Meaning
The state of being old and showing the weaknesses of age, especially mental decline.
Example
His forgetfulness was attributed to senility.
他的健忘被归因于衰老。
B2 noun /stɑːˈveɪ.ʃən/

Starvation

饥饿
Meaning
suffering or death caused by lack of food; extreme hunger
Example
Many people died of starvation during the famine.
许多人在饥荒期间死于饥饿。
A2 noun ˈsaɪəns

science

科学
Meaning
The intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
Example
Science continues to explore the unknown.
科学继续探索未知。
C2 noun /ˌsɪnjuˈɒsɪti/

sinuosity

弯曲性
Meaning
The quality or state of being winding, curving, or having many turns.
Example
The sinuosity of the river made navigation challenging.
河流的弯曲性使得导航变得具有挑战性。
C1 verb /səbˈstænʃieɪt/

substantiate

证实
Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
律师努力通过确凿证据来证实这些主张。
B1 noun ˈseɪ.vɪŋ

saving

储蓄
Meaning
The practice of keeping and accumulating money for future use rather than spending it immediately.
Example
Regular saving habits ensure financial security.
定期的储蓄习惯确保财务安全。
B2 adjective /ˈspiː.di/

Speedy

快速的; 极速的; 敏捷的;
Meaning
moving or happening quickly; fast
Example
The speedy delivery service arrived within an hour.
快速的送货服务在一小时内到达。
C1 verb /splaɪs/

splice

拼接
Meaning
to join two pieces of rope, film, or other material by weaving or attaching them together
Example
The technician spliced the two wires to restore the connection.
技术员将两根电线拼接起来以恢复连接。
B2 adjective /ˈslʌɡ.ɪʃ/

Sluggish

迟缓; 无力; 不活跃
Meaning
slow-moving; lacking energy or alertness; inactive
Example
The old computer became sluggish after running for hours.
那台旧电脑运行了几个小时后变得迟缓。
B2 adjective ˈstrʌktʃərd

structured

结构化
Meaning
Having a clear organization or framework; systematically arranged.
Example
A structured execution plan is crucial for success.
一个结构化的执行计划对于成功至关重要。
A1 adjective /ˈsɪmpəl/

Simple

简单的; 容易的; 不复杂
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
这是一个简单的食谱,任何人都可以跟随。
B1 noun /striːm/

stream

溪流
Meaning
A small, narrow river; a continuous flow of something.
Example
The stream of life is unstoppable.
生命的流动是无法阻挡的。
C1 verb ˈsɪŋ.krə.naɪz

synchronize

同步
Meaning
To coordinate in time; to cause to occur or operate at the same time or rate.
Example
The dancers need to synchronize their movements.
舞者需要同步他们的动作。
C1 adjective /ˈsaɪt.ləs/

Sightless

盲目; 无视力
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
盲人带着他的导盲犬穿过街道。
B1 noun/adjective /ˈsmoʊ.kɪŋ/

smoking

吸烟
Meaning
The act of inhaling and exhaling the smoke of tobacco or other substances; wearing a tuxedo (adjective, formal context).
Example
Smoking is prohibited inside the building.
建筑物内禁止吸烟。
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

比声音的速度更快; 与超过声音速度的速度相关
Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
超音速飞机打破了音障。
C2 noun /ˈsɪŋkrəˌnɪzəm/

synchronism

同步
Meaning
The simultaneous occurrence of events or actions.
Example
The synchronism of the dancers' movements amazed the audience.
舞者动作的同步让观众感到惊讶。
B2 noun ˈstɪmjələs

stimulus

刺激
Meaning
A thing or event that evokes a specific functional reaction in an organ or tissue.
Example
Plants respond to external stimulus.
植物对外部刺激作出反应。
C1 noun /ˈsæŋk.ʃən/

Sanction

许可/制裁
Meaning
official permission or approval; a penalty for disobeying a rule
Example
The government imposed economic sanctions on the country.
政府对该国实施了经济制裁。
A1 verb /send/

send

发送
Meaning
to cause something to go or be taken to a particular destination; to transmit
Example
I will send you an email with the details.
我会给你发送一封包含详细信息的电子邮件。
C2 noun /sɪnˈtɪl.ə/

scintilla

小小的火花
Meaning
A tiny trace or spark of a specified quality or feeling.
Example
There wasn’t a scintilla of doubt in her mind.
她的脑海中没有一丝疑虑。
C1 verb /ˈsmʌðər/

smother

窒息 / 扑灭
Meaning
to kill someone by covering their nose and mouth to prevent breathing; to cover something completely; to overwhelm with excessive attention or affection
Example
She smothered the fire with a blanket.
她用毯子把火扑灭了。
B2 adjective /səˈraʊndɪŋ/

surrounding

周围的
Meaning
located all around a particular place or thing; nearby
Example
The surrounding hills were covered in mist.
周围的山丘被雾气覆盖。
C1 noun ˈsɪmbəlɪzəm

symbolism

象征主义
Meaning
The use of symbols to represent ideas or qualities.
Example
The use of symbolism in the novel is masterful.
小说中的象征主义运用巧妙。
C1 verb /skɔːrtʃ/

scorch

烧焦
Meaning
to burn the surface of something slightly
Example
The fire scorched the walls of the building.
火焰烧焦了建筑物的墙壁。
C2 adjective /sɪˈnɜːrdʒɪk/

synergic

协同的
Meaning
Working together in a cooperative and effective manner.
Example
The two departments have a synergic relationship that boosts productivity.
两个部门有着协同关系,促进了生产力的提高。
B1 noun, verb /ˈseɪ.lɪŋ/

sailing

帆船运动
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.
我们夏天在湖上去帆船运动。
C2 noun /səbˈsɜːviəns/

subservience

奴性
Meaning
the condition of being too willing to obey or serve others
Example
His subservience to authority annoyed his colleagues.
他对权威的奴性让同事们感到烦恼。
B1 noun /ˈspæroʊ/

Sparrow

麻雀
Meaning
small brown and grey bird commonly found in cities and towns
Example
The sparrow chirped cheerfully from the tree branch.
麻雀愉快地从树枝上啁啾。
B2 verb /sæk/

sack

解雇
Meaning
to dismiss from a job; to put something in a sack
Example
The company sacked him for poor performance.
公司因为表现不佳解雇了他。
C1 noun /stæɡˈneɪ.ʃən/

stagnation

停滞
Meaning
A state of inactivity or lack of growth, especially in an economy.
Example
High unemployment led to economic stagnation.
高失业率导致了经济停滞。
A2 adverb /ˈʃʊə.li/

Surely

肯定
Meaning
without doubt; certainly
Example
You will surely pass the exam if you study hard.
如果你努力学习,你肯定会通过考试。
C2 noun /ˈseɪpiəns/

sapience

智慧
Meaning
Wisdom or intelligence.
Example
Her sapience in solving problems earned her the respect of her colleagues.
她在解决问题上的智慧赢得了同事们的尊重。
B1 noun /stiːl/

steel

钢铁
Meaning
a strong, hard metal made of iron and carbon
Example
The building was made from steel to ensure its durability.
建筑物是用钢铁建造的,以确保其耐久性。
B2 verb /swiːp/

sweep

打扫
Meaning
to clean by brushing; to move quickly and smoothly
Example
She sweeps the floor every morning.
她每天早上打扫地板。
B2 noun, verb /stiːm/

steam

蒸汽
Meaning
the vapor into which water is converted when heated; to emit or treat with steam
Example
The kettle was steaming on the stove.
茶壶在炉子上冒蒸汽。
C1 adjective /sɪər/

Sear

枯萎的; 烧焦的; 干枯的
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
秋天枯萎的叶子从树上掉下来。
C1 verb /ˈsɔːntər/

saunter

Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
B2 adjective /ˈslɪp.ər.i/

Slippery

湿滑的
Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
清洁后地板非常湿滑。
C1 verb /ˈstæmər/

stammer

结巴
Meaning
To speak with sudden involuntary pauses and a tendency to repeat the initial letters of words.
Example
The nervous student began to stammer during his speech.
紧张的学生在演讲中开始结巴。
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。
C1 adjective /swɑːv/

suave

迷人且优雅
Meaning
charming, confident, and elegant, often in a smooth or polished way
Example
He was a suave gentleman who impressed everyone at the party.
他是一个优雅的绅士,在派对上给大家留下了深刻的印象。
C1 adjective /ˈsɔːsi/

saucy

大胆的
Meaning
Boldly rude, cheeky, or playfully disrespectful.
Example
The child gave a saucy reply to his teacher.
那个孩子给老师一个大胆的回答。
C1 noun /sɪˈkriː.ʃən/

Secretion

分泌
Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
胰岛素分泌对血糖的调节至关重要。
B2 noun /ˈskriːnɪŋ/

screening

筛查或放映
Meaning
the act of examining or testing people to detect disease or evaluate suitability; a showing of a movie or program
Example
The hospital offered free health screening for all employees.
医院为所有员工提供了免费的健康筛查。
B2 noun /swɪŋ/

Swing

秋千
Meaning
move or cause to move back and forth or from side to side while suspended or on an axis
Example
The children love to swing in the park.
孩子们喜欢在公园里荡秋千。
B1 noun /swɒn/

Swan

天鹅
Meaning
a large waterbird with a long curved neck and usually white plumage
Example
The elegant swan glided silently across the water.
那只优雅的天鹅静静地滑过水面。
B2 noun /ˈsiːkər/

seeker

寻求者
Meaning
a person who is looking for something, especially knowledge or truth
Example
The seeker traveled far to find the answers to his questions.
寻求者远行去寻找他问题的答案。
B1 adjective /ˈsɔːlti/

Salty

咸的
Meaning
having the taste of salt; containing salt; tasting of seawater
Example
The salty ocean water made her thirsty.
咸海水让她口渴。
C2 noun /ˈskʌl.i.ən/

scullion

厨房仆人
Meaning
a servant assigned the most menial kitchen tasks
Example
In medieval times, a scullion was responsible for cleaning pots and pans.
在中世纪,厨房仆人负责清洁锅碗和煎锅。
C1 adjective /ˈsɪnləs/

Sinless

无罪; 天真; 纯洁
Meaning
free from sin; pure and innocent; without moral fault
Example
The innocent child appeared sinless in her pure white dress.
那天真的孩子穿着纯白色的裙子,看起来毫无罪。
B2 verb /ˈstrʌɡlɪŋ/

struggling

挣扎
Meaning
Making forceful or violent efforts to get free of restraint or constriction; having difficulty achieving something.
Example
Many regions are struggling with economic recovery.
许多地区在经济复苏中挣扎。
C1 noun/adjective /ˈstɜː.lɪŋ/

sterling

英国货币 / 优秀
Meaning
British money, especially pounds; of excellent quality.
Example
She was praised for her sterling work on the project.
她因在项目中的出色工作而受到表扬。
B1 adjective /ˈskɪlfʊl/

Skilful

熟练的; 能手; 专家
Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
熟练的外科医生以极高的精确度完成了手术。
C2 adjective /ˈsiːkwənt/

sequent

随后的
Meaning
Following in order or as a result.
Example
The sequent events changed the course of history.
随后的事件改变了历史的进程。
C2 noun /ˈsɪlədʒɪzəm/

syllogism

三段论
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学家用简单的例子解释了三段论的概念。
C1 verb, noun /spraʊt/

sprout

发芽
Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
种子在几天的雨后开始发芽。
C2 verb /ˈsʌli/

sully

玷污
Meaning
to damage the purity, integrity, or reputation of something
Example
The scandal sullied the politician’s reputation.
丑闻玷污了政治家的声誉。
C1 adjective səˈblaɪm

sublime

崇高的, 壮丽的, 庄严的
Meaning
Of such excellence, grandeur, or beauty as to inspire great admiration or awe.
Example
The sublime beauty of the mountain landscape took my breath away.
那座山脉的崇高美景让我屏住了呼吸。
C1 noun /ˈsæf.rən/

Saffron

藏红花
Meaning
a deep yellow-orange color; an expensive spice derived from crocus flowers
Example
The saffron fabric looked beautiful in the sunlight.
藏红花的面料在阳光下看起来非常美丽。
A2 verb /siːm/

seem

看起来
Meaning
to give the impression of being something or having a particular quality
Example
He seems tired after the long journey.
他看起来在长时间的旅程后很累。
A2 adverb /ˈsɪm.pli/

Simply

简单地; 仅仅;
Meaning
in a clear and easy way; merely; just
Example
I simply wanted to help you with your homework.
我只是想帮你做作业。
B1 noun /sɔɪl/

soil

土壤
Meaning
The upper layer of earth in which plants grow.
Example
The soil in this area is reddish.
这个区域的土壤是红色的。
C1 adjective ˈsɪŋ.krə.nəs

synchronous

同步
Meaning
Existing or occurring at the same time.
Example
Synchronous learning involves live online classes.
同步学习包括实时在线课堂。
C1 noun ˈsɒv.rɪn.ti

sovereignty

主权
Meaning
The authority of a state to govern itself or another state; supreme power or authority.
Example
Sovereignty is essential for a nation's identity.
主权对国家的身份至关重要。
A2 noun, verb /ʃɒt/

shot

射击
Meaning
a single attempt to hit something, usually with a weapon or a ball
Example
He took a shot at the goal.
他朝着球门射击。
B2 noun /ˈsætaɪər/

satire

讽刺
Meaning
The use of humor, irony, or exaggeration to criticize people's stupidity or vices.
Example
The play was a brilliant satire on modern politics.
这出戏是对现代政治的精彩讽刺。
C1 adjective /səbˈdʒɛktɪv/

subjective

主观的
Meaning
based on personal feelings, tastes, or opinions rather than facts
Example
Beauty is often considered a subjective concept.
美丽通常被视为一个主观的概念。
C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

替换
Meaning
the action of replacing someone or something with another
Example
The substitution of the old system with the new one was difficult.
将旧系统替换为新系统是困难的。
C1 noun /stɪˈlɛtoʊ/

stiletto

细高跟鞋 / 匕首
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
她穿着优雅的细高跟鞋去参加派对。
B2 noun /ˈspɛk.tə.kəl/

spectacle

景象
Meaning
An impressive display or performance for viewers.
Example
The fireworks created a breathtaking spectacle in the night sky.
烟花在夜空中创造了一个惊人的景象。
B1 verb /siːk/

seek

寻找
Meaning
to try to find or obtain something; to attempt or desire to achieve
Example
He decided to seek advice from his mentor.
他决定向他的导师寻求建议。
B2 verb /swer/

swear

发誓
Meaning
to use offensive language; to promise solemnly; to take an oath
Example
I swear to tell the truth.
我发誓说真话。
A2 noun /sɔːs/

Sauce

Meaning
a liquid or semi-liquid substance served with food to add moisture and flavor
Example
She added tomato sauce to her pasta.
她在她的意大利面上加了番茄酱。
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.
B2 verb /ˈsʌmən/

summon

Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
B2 verb /swel/

swell

肿胀
Meaning
to become larger, rounder, or thicker; to increase in size
Example
Her ankle began to swell after the injury.
她的脚踝在受伤后开始肿胀。
C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

冷静
Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
领导以非凡的冷静处理了这次危机。
B2 adjective /ˈskɪni/

Skinny

瘦的; 皮包骨的; 骨瘦如柴
Meaning
very thin; having little flesh or fat on the body
Example
The skinny cat looked like it hadn't eaten for days.
那只瘦猫看起来像是几天没吃东西了。
B2 noun /ˈsɛm.iˌsɜːr.kəl/

semicircle

半圆
Meaning
Half of a circle or something shaped like half of a circle.
Example
The students sat in a semicircle around the teacher.
学生们围绕老师坐成半圆形。
A1 noun /ˈsæləd/

salad

沙拉
Meaning
a dish consisting of various ingredients, typically including vegetables, which are usually mixed with a dressing
Example
She made a fresh salad with lettuce, tomatoes, and cucumbers.
她用生菜、番茄和黄瓜做了一个新鲜的沙拉。
B2 adjective /ˈsoʊlər/

solar

太阳的
Meaning
Relating to or determined by the sun
Example
The house is powered by solar energy.
这座房子由太阳能驱动。
B1 noun /ˈskwɪr.əl/

Squirrel

松鼠
Meaning
a small agile tree-dwelling rodent with a long bushy tail
Example
The squirrel gathered nuts for winter.
松鼠为冬天收集坚果。
C2 verb /ˌsuːpərɪnˈtɛnd/

superintend

监管
Meaning
to oversee and direct the work or operation of something
Example
She was hired to superintend the construction project.
她被聘用来监管建筑项目。
B1 noun ˈseʃən

session

会议
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.
会议于2月25日举行。
C2 noun /skriːd/

screed

冗长而乏味的文章
Meaning
a long, tedious piece of writing or speech; also a layer of material like cement spread on a surface
Example
He delivered a long screed against corruption.
他发表了长篇的关于腐败的演讲。
C2 verb /skʌlk/

skulk

Meaning
to move or hide secretly, often because you are planning something bad or are feeling guilty
Example
He tried to skulk in the shadows to avoid being seen.