storm intensification
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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。
C1 adjective ˈsɒvrɪn

sovereign

主权的, 最高的
Meaning
Possessing supreme or ultimate power; independent.
Example
The sovereign government has control over its currency.
主权政府控制着自己的货币。
C1 adjective /smʌɡ/

smug

自负
Meaning
having or showing an excessive pride in oneself or one's achievements
Example
He wore a smug smile after winning the debate.
他在赢得辩论后，露出了自负的笑容。
C1 verb /səbˈmɜːrdʒ/

submerge

淹没
Meaning
to put under water or cover with liquid
Example
The floodwaters threatened to submerge the village.
洪水威胁要淹没整个村庄。
C1 verb /ˈskaʊər/

scour

擦洗 / 彻底搜索
Meaning
to clean or brighten the surface of something by scrubbing; to search thoroughly
Example
She scoured the kitchen until it shone.
她打扫厨房直到它闪闪发光。
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 /ʃɑːrd/

shard

碎片
Meaning
a broken piece of glass, metal, or pottery
Example
He cut his finger on a shard of glass.
他用玻璃碎片割伤了手指。
C1 adjective /spɑːrs/

sparse

稀少
Meaning
thinly scattered or distributed; not dense or abundant
Example
Vegetation was sparse in the desert.
沙漠中的植被稀少。
C1 noun /ˈskeɪ.biːz/

Scabies

疥疮
Meaning
a contagious skin disease caused by mites that causes intense itching
Example
The doctor diagnosed him with scabies after examining the rash.
医生在检查了皮疹后诊断他为疥疮。
C1 noun /ˈsækrɪlɪdʒ/

sacrilege

亵渎
Meaning
Violation or misuse of what is regarded as sacred.
Example
Stealing from the temple was considered an act of sacrilege.
从寺庙偷窃被视为亵渎行为。
C1 verb /sleɪ/

slay

Meaning
to kill violently; informally, to impress greatly
Example
The hero vowed to slay the dragon.
C1 adjective sɪˈmæn.tɪk

semantic

与语言中的意义相关
Meaning
Related to meaning in language; concerning the interpretation of words and sentences.
Example
AI models use semantic analysis to understand context.
人工智能模型使用语义分析来理解上下文。
C1 adjective /ˈsʌmp.tʃu.əs/

sumptuous

奢华的
Meaning
Splendid and expensive-looking; luxurious.
Example
The guests were treated to a sumptuous banquet.
客人们被招待了一场奢华的宴会。
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。
C1 noun /streɪt/

strait

海峡
Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
直布罗陀海峡连接大西洋和地中海。
C1 verb /skʌf/

scuff

擦伤
Meaning
to mark or scratch the surface of something by rubbing
Example
He scuffed his shoes on the pavement.
他在人行道上擦伤了他的鞋子。
C1 verb /spɜːr/

spur

激励 / 鼓励
Meaning
To encourage or motivate someone to take action.
Example
The teacher's praise spurred him to study harder.
教师的表扬激励他更加努力学习。
C1 noun /ˈsiːskeɪp/

seascape

海景
Meaning
A view or painting of the sea.
Example
The artist painted a beautiful seascape at sunset.
艺术家在日落时画了一幅美丽的海景。
C1 adjective /ˈstrætɪfaɪd/

stratified

Meaning
arranged or classified in layers or strata
Example
Society in the past was highly stratified based on class and wealth.
C1 noun /ˈstætʃər/

stature

声望，身材
Meaning
A person's natural height or their reputation and importance.
Example
Her intellectual stature made her a respected figure in academia.
她的智力声望使她在学术界成为了受人尊敬的人物。
C1 verb /ˈskʌr.i/

scurry

快速跑
Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
老鼠在灯光打开时快速穿过厨房的地板。
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

共生的
Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
蜜蜂和花朵之间的关系是共生的。
C1 adjective /sɛkˈtɛəriən/

sectarian

宗派的
Meaning
relating to or characterized by the differences between sects, often leading to conflict
Example
The region has been troubled by sectarian violence for decades.
该地区几十年来一直受到宗派暴力的困扰。
C1 noun sælˈveɪʃən

salvation

救赎
Meaning
Deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.
Example
The story revolves around the theme of salvation.
故事围绕救赎的主题展开。
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

怀疑主义, 疑虑
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
他对新技术的怀疑主义使他常常抗拒改变。
C1 adjective /ˈspɛktrəl/

spectral

幽灵的
Meaning
Relating to a ghost or specter; ghostly. Also relating to a spectrum.
Example
The old mansion had a spectral atmosphere at night.
那座古老的宅邸晚上有一种幽灵般的氛围。
C1 verb /ˈsɪnɚdʒaɪzd/

synergized

协同, 协调, 合作
Meaning
Combine in such a way that the total effect is greater than the sum of the individual effects.
Example
The teams were synergized to maximize productivity.
团队被协同工作以最大化生产力。
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 noun /ˈspɪnstər/

spinster

未婚女性
Meaning
An unmarried woman, often one who is older and considered unlikely to marry
Example
The novel featured a kind-hearted spinster who cared for the village children.
小说中有一位心地善良的未婚女性，她照顾着村里的孩子们。
C1 noun /ˈʃæmbəlz/

shambles

一片混乱
Meaning
a state of complete disorder or ruin
Example
After the storm, the whole town was in shambles.
风暴过后，整个城镇陷入了一片混乱。
C1 noun /ˈsæl.mən fɪʃ / ˈroʊ.huː/

Salmon fish / Rohu

罗胡鱼
Meaning
a freshwater fish popular in South Asian cuisine; also refers to salmon which is a different species
Example
Rohu fish is commonly prepared with spices in Bengali households.
罗胡鱼通常在孟加拉家庭中用香料烹饪。
C1 noun স্ক্রোলিং অ্যাডিকশন

scrolling addiction

滚动成瘾
Meaning
A compulsive need to continuously scroll through content on digital devices, particularly smartphones and social media platforms.
Example
Scrolling addiction is a growing concern among smartphone users.
滚动成瘾在智能手机用户中是一个日益严重的问题。
C1 noun /ˌspɒn.təˈneɪ.ɪ.ti/

spontaneity

自发性
Meaning
The quality of being spontaneous; natural and unplanned behavior.
Example
His spontaneity makes him a great conversationalist.
他的自发性使他成为一个很棒的对话者。
C1 noun ˈsɒl.vən.si

solvency

拥有超过负债的资产; 偿还债务的能力
Meaning
The possession of assets in excess of liabilities; ability to pay debts.
Example
The company's solvency improved after restructuring.
公司在重组后偿付能力得到了改善。
C1 noun /ˈsɑːri/

Saree

纱丽
Meaning
a garment consisting of a length of cotton or silk elaborately draped around the body, traditionally worn by women from South Asia
Example
She looked elegant in her red silk saree at the festival.
她在节日上穿着红色丝绸纱丽看起来非常优雅。
C1 noun /skɪt/

skit

小品
Meaning
a short, humorous performance or piece of writing
Example
The students performed a funny skit at the event.
学生们在活动中表演了一个有趣的小品。
C1 noun /ˌsɛrənˈdɪpɪti/

serendipity

意外的好运
Meaning
The occurrence of events by chance in a happy or beneficial way.
Example
Finding that old photo album was pure serendipity.
找到那本旧照片集是纯粹的意外的好运。
C1 noun /swiːt.laɪm/

Sweetlime

甜酸橙
Meaning
a citrus fruit that is sweeter and less acidic than regular lime
Example
The sweetlime juice was refreshing on a hot day.
甜橙汁在炎热的天气里令人耳目一新。
C1 verb /ˈsælvɪdʒ/

salvage

挽救
Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
他们成功地从火灾中挽救了一些货物。
C1 noun /ˈsʌtlti/

subtlety

微妙
Meaning
The quality or state of being subtle.
Example
She understood the subtlety of the situation.
她理解了局势的微妙之处。
C1 verb /ʃɪə/

shear

修剪
Meaning
to cut the wool off a sheep or to cut something with sharp tools like scissors or shears
Example
The farmer will shear the sheep in the spring.
农民将在春天修剪羊毛。
C1 noun /ˈʃɜːrbət/

sherbet

雪葩
Meaning
a sweet flavored drink or a frozen dessert made from sweetened fruit juice
Example
On hot days, she enjoys a glass of lemon sherbet.
在炎热的日子里，她喜欢喝一杯柠檬雪葩。
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 adjective /ˈsæŋɡwɪn/

sanguine

乐观的
Meaning
Optimistic or positive, especially in a difficult situation.
Example
Despite the challenges, she remained sanguine about the future.
尽管面临挑战，她依然对未来保持乐观。
C1 noun /sɪv/

sieve

筛子
Meaning
a utensil with a mesh or perforated bottom, used for straining or sifting
Example
She used a sieve to strain the pasta.
她用筛子过滤意大利面。
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。
C1 verb /ˈskwɒndər/

squander

浪费
Meaning
to waste money, time, or opportunities in a careless way
Example
He squandered his inheritance on gambling.
他把遗产浪费在赌博上。
C1 noun /ˈskeɪp.ɡəʊt/

Scapegoat

替罪羊
Meaning
a person who is blamed for the wrongdoings, mistakes, or faults of others
Example
He became the scapegoat for the team's poor performance.
他成了团队表现不佳的替罪羊。
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

消毒
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
定期消毒保持设备无菌。
C1 verb /sɪˈdjuːs/

seduce

Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
C1 verb /səˈplænt/

supplant

取代
Meaning
To take the place of something or someone, often by force or strategy.
Example
Digital platforms have supplanted traditional newspapers.
数字平台已经取代了传统报纸。
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。
C1 noun /ˌsəʊʃəˈbɪləti/

sociability

社交性
Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
她的社交性使她在办公室中非常受欢迎。
C1 noun ˈsæŋktɪti

sanctity

神圣
Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
生命的神圣性永远不应被妥协。
C1 noun /ˈspaɪər/

spire

尖顶
Meaning
a tall, pointed structure on top of a building, especially a church
Example
The church spire could be seen from miles away.
教堂的尖顶从远处可见。
C1 adjective /səbˈvɜːrsɪv/

subversive

颠覆性的
Meaning
seeking or intended to undermine or overthrow an established system or authority
Example
The group was banned for its subversive activities.
该团体因其颠覆性活动而被禁止。
C1 adjective /ˈsʌbstəntɪv/

substantive

重要
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
公司对其政策进行了重要更改。
C1 adjective /ˌsɛlf ˈraɪtʃəs/

self-righteous

自以为是
Meaning
Having or showing an attitude of moral superiority; believing one’s own beliefs are the only right ones.
Example
His self-righteous comments made everyone uncomfortable.
他的自以为是的评论让每个人都感到不舒服。
C1 adjective /ˈʃeɪp.ləs/

Shapeless

无形的
Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
雾气在远处形成了无形的团块。
C1 noun, verb /səˈpiːnə/

subpoena

传票
Meaning
a legal document ordering someone to attend court; to summon someone with such a document
Example
The witness received a subpoena to appear in court next week.
证人收到了传票，要求下周出庭。
C1 adjective /ˈsliːzi/

sleazy

低级的, 肮脏的, 或质量差的
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
他避免了市中心的低级夜店。
C1 noun /ˈstɪɡmə/

stigma

污名
Meaning
a mark of shame or disgrace associated with a particular circumstance or quality
Example
There is still a stigma around mental health issues in many societies.
许多社会中，心理健康问题仍然存在污名化现象。
C1 adjective ˈskruː.pjʊ.ləs

scrupulous

一丝不苟
Meaning
Diligent, thorough, and extremely attentive to details; having moral integrity; acting in strict regard for what is considered right or proper.
Example
He is known for being scrupulous in his work.
他因在工作中一丝不苟而闻名。
C1 adjective /sɪˈnɒnɪməs/

synonymous

同义词
Meaning
having the same or nearly the same meaning; closely associated with something
Example
For many people, her name is synonymous with generosity.
对于许多人来说，她的名字是慷慨的同义词。
C1 noun /ˈsʌn.stroʊk/

Sunstroke

中暑
Meaning
a serious condition caused by overheating from prolonged exposure to high temperatures
Example
The worker suffered from sunstroke after working outside all day.
工人在外面工作了一整天后中暑了。
C1 noun /ˈstɪm.jʊ.laɪ/

stimuli

刺激物
Meaning
Things that create reactions or provide motivation.
Example
Bright light and loud sounds are common stimuli for alertness.
明亮的光和大声的声音是常见的刺激物，可以保持警觉。
C1 adjective /ˈspel.baʊnd/

Spellbound

着迷的; 迷住的
Meaning
completely fascinated and unable to move or think about anything else; enchanted
Example
The children sat spellbound as the magician performed his tricks.
孩子们看到魔术师表演时都目瞪口呆。
C1 noun /ˌsɛlf əˌfɜːˈmeɪʃən/

self-affirmation

自我肯定
Meaning
The practice of affirming one's own worthiness and value as an individual.
Example
Daily self-affirmation can boost your confidence.
每日自我肯定可以增强你的自信。
C1 verb /ˈsaɪdˌstɛp/

sidestep

回避
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
那位政治家试图回避那个棘手的问题。
C1 verb /ˈʃɪmər/

shimmer

闪烁
Meaning
To shine with a soft, wavering light.
Example
The lake shimmered under the moonlight.
湖泊在月光下闪烁。
C1 adjective /sɪmˈplɪstɪk/

simplistic

过于简化的
Meaning
treating complex issues as if they were much simpler than they really are
Example
His explanation was too simplistic and ignored key details.
他的解释过于简化，忽略了关键的细节。
C1 verb/noun /ˈswæɡ.ər/

swagger

傲慢
Meaning
To walk or behave in a very confident and arrogant way.
Example
He swaggered into the room as if he owned the place.
他走进房间，好像他是这个地方的主人。
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

可用
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
那辆旧自行车尽管年久失修，仍然可用。
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。
C1 noun/verb /snɛər/

snare

陷阱
Meaning
a trap for catching animals; to catch or trap
Example
The hunter set a snare to catch rabbits.
猎人设置了一个陷阱来捕捉兔子。
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 noun /ˈsɪləbəl/

syllable

音节
Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
‘计算机’这个词有三个音节。
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。
C1 verb /ˈswɛltər/

swelter

因高温而痛苦
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
我们开始在中午的阳光下忍受酷热。
C1 adjective /ˌsuːɪˈsaɪdəl/

Suicidal

自杀的
Meaning
relating to or having thoughts of killing oneself; extremely dangerous or harmful
Example
The reckless driving was suicidal behavior.
鲁莽的驾驶是一种自杀行为。
C1 noun /sɔɪl ˈmæn.ɪdʒ.mənt/

soil management

土壤管理
Meaning
The application of operations, practices, and treatments to protect soil and enhance its performance.
Example
Proper soil management improves long-term agricultural productivity.
适当的土壤管理可以提高长期农业生产力。
C1 adjective /ˈstɒdʒi/

stodgy

沉闷的，老式的
Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
讲座太沉闷了，以至于许多学生难以保持清醒。
C1 noun /ˈsɒlstɪs/

solstice

至点
Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
人们通过节日和仪式庆祝夏至。
C1 noun /sɔːd fɪʃ/

Sword fish

剑鱼
Meaning
A large marine fish with an elongated bill resembling a sword
Example
The swordfish can swim at speeds up to 60 mph.
剑鱼的游泳速度可达每小时60英里。
C1 verb /ˈstriːmlaɪnɪŋ/

streamlining

精简
Meaning
The process of making an organization or system more efficient by simplifying or eliminating unnecessary steps
Example
Streamlining processes can significantly reduce operational costs.
精简过程可以显著减少运营成本。
C1 noun /ˈstɪmjʊlənt/

stimulant

兴奋剂
Meaning
A substance that raises levels of physiological or nervous activity in the body.
Example
Coffee is a common stimulant that helps people stay awake.
咖啡是一种常见的兴奋剂，帮助人们保持清醒
C1 /skwɒt/

squat

蹲下
Meaning
to crouch or sit with knees bent and body close to the ground
Example
He squatted down to tie his shoes.
他蹲下来系鞋带。
C1 verb /ˈswɪndl/

swindle

欺骗
Meaning
to cheat someone out of money or possessions by deceit
Example
The con artist tried to swindle the old man out of his savings.
骗子试图骗取老人的储蓄。
C1 noun /sɪˈdʌk.ʃən/

Seduction

色诱; 诱惑
Meaning
the action of seducing someone; temptation to do something wrong
Example
He fell victim to the seduction of easy money.
他成为了快速赚钱诱惑的受害者。
C1 verb /ˈstɪp.jʊ.leɪt/

stipulate

规定
Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
合同规定付款必须在30天内完成。
C1 noun ˈsɛlfləsnɪs

selflessness

无私
Meaning
The quality of being concerned more with the needs of others than with one's own.
Example
Selflessness is a key value for community building.
无私是社区建设中的关键价值。
C1 adjective /skænt/

Scant

稀少的
Meaning
barely sufficient; inadequate; small in amount
Example
There was scant evidence to support his claim.
支持他主张的证据非常少。
C1 adjective /ˌsɛlf əbˈzɔːrbd/

self-absorbed

自我中心
Meaning
Excessively preoccupied with oneself and one’s own thoughts, feelings, or interests.
Example
He was too self-absorbed to notice his friend's distress.
他太过自我中心，没注意到朋友的困扰。
C1 adjective /ˈsiː.naɪl/

senile

与年龄相关的虚弱
Meaning
Showing the weaknesses of old age, especially mental decline.
Example
The old man became senile and forgot familiar faces.
老人变得衰老，忘记了熟悉的面孔。
C1 noun /ˈsɛntɪnəl/

sentinel

哨兵
Meaning
A soldier or guard whose job is to stand and keep watch.
Example
A sentinel stood at the entrance of the camp.
一个哨兵站在营地的入口处。
C1 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

谦虚的
Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
尽管他取得了成功，他仍然保持谦虚和谦逊。
C1 noun /stents/

stents

支架
Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
支架通过机器人技术成功放置。
C1 noun /ˈsuːtər/

suitor

追求者
Meaning
a man who pursues a relationship with a woman, often with the intent to marry
Example
She had many suitors vying for her attention.
她有许多追求者争夺她的注意力。
C1 adjective /ˈspɪndli/

spindly

细长而脆弱
Meaning
Long, thin, and weak-looking
Example
The spindly tree bent under the weight of the snow.
细长的树在雪的重量下弯曲。
C1 noun, verb /strænd/

strand

线 / 搁浅
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
暴风雨让许多游客滞留在岛上。
C1 noun səˈsteɪ.nə.bəl tekˈnɒl.ə.dʒi

sustainable technology

可持续技术
Meaning
Technology designed to meet present needs without compromising future generations' ability to meet their needs.
Example
Sustainable technology ensures a cleaner future.
可持续技术确保更清洁的未来。
C1 adjective /ˈsɒnɪk/

sonic

音速的
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
喷气机突破声速壁垒时发出了巨大的爆炸声。
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

亵渎的
Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
这幅画被批评为亵渎的。
C1 verb /ˈslɪðər/

slither

滑行
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
蛇穿过草地滑行。
C1 verb /sɪft/

sift

筛 / 仔细检查
Meaning
to separate or sort through carefully, often using a sieve or by examining closely
Example
She sifted the flour before adding it to the cake mixture.
她在把面粉加到蛋糕混合物中之前筛选了面粉。
C1 adjective /steɪd/

staid

严肃，受尊敬的
Meaning
Serious, respectable, and unadventurous.
Example
He came from a staid family background.
他来自一个严肃的家庭。
C1 noun /ˈsɔː.dʌst/

sawdust

锯末
Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
地板上覆盖着来自木工工作的锯末。
C1 verb, noun /sæp/

sap

树液 / 削弱
Meaning
As a noun: the vital fluid in plants; As a verb: to gradually weaken or drain strength.
Example
The long journey began to sap his energy.
长途旅行开始削弱他的能量。
C1 noun /səˈbraɪəti/

sobriety

清醒
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
他已经保持清醒五年了。
C1 adjective /ˈstɛr.aɪl/

sterile

无菌
Meaning
Free from bacteria or other living microorganisms; incapable of producing offspring.
Example
The surgeon worked in a sterile environment to avoid infection.
外科医生在无菌环境下工作以避免感染。
C1 verb /sɪˈsiːd/

secede

脱离
Meaning
To formally withdraw from a political or organizational union.
Example
Several states threatened to secede from the union.
几个州威胁要脱离联邦。
C1 adjective /ˈswɛltərɪŋ/

sweltering

酷热
Meaning
uncomfortably hot
Example
The sweltering heat made it hard to work.
酷热的天气让工作变得困难。
C1 verb /səˈfɪstɪkeɪt/

sophisticate

使精致
Meaning
to make something more complex or refined; to educate or develop in taste and manners
Example
Traveling abroad helped sophisticate his worldview.
出国旅行帮助他完善了世界观。
C1 adjective /ˈseɪ.vər.i/

savory

美味的（咸的或辣的）
Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
这家餐厅提供各种美味的菜肴。
C1 noun /ˈstɛə.rɪ.əʊˌtaɪ.pɪŋ/

stereotyping

刻板印象
Meaning
A widely held but fixed and oversimplified image or idea of a particular type of person or thing.
Example
Stereotyping people based on their race is harmful.
基于种族的刻板印象是有害的。
C1 noun /ˈswɪndlɚ/

swindler

骗子
Meaning
a person who cheats or deceives others for money or gain
Example
The police finally caught the notorious swindler.
警察终于抓到了臭名昭著的骗子。
C1 noun ˌsɪs.təˈmæt.ɪk ˈstræt.ə.dʒi

systematic strategy

系统策略
Meaning
A methodical and organized plan or approach to achieve specific objectives.
Example
A systematic strategy was employed to achieve objectives.
采取了系统策略来实现目标。
C1 verb/noun /stuːp/

stoop

幸福
Meaning
To bend one's body forward and downward; also a small porch or staircase at the entrance of a house
Example
He had to stoop to pick up the coin.
当她收到奖项时，她无法隐藏自己的幸福。
C1 adjective /ˈstɪndʒi/

stingy

吝啬
Meaning
unwilling to spend or give; miserly
Example
He is too stingy to buy a gift for his friend.
他太吝啬了，连给朋友买礼物都不愿意。
C1 adjective /skəˈlæstɪk/

scholastic

学术的
Meaning
Relating to schools, education, or academic learning.
Example
The school organizes scholastic competitions every year.
学校每年举办学术竞赛。
C1 noun ˈsʌs.tɪ.nəns

Sustenance

维持生命的食物或支持
Meaning
Food or support necessary for sustaining life
Example
Water is essential for human sustenance.
水是人类生存的必要条件。