shroud
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C1 verb /ʃraʊd/

shroud

覆盖
Meaning
to cover or hide; to wrap in cloth
Example
The mountain peak was shrouded in mist.
山顶被雾气笼罩。
C1 noun ˈsɪnədʒi

synergy

协同作用, 合作
Meaning
The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.
Example
The synergy between the two companies led to a successful partnership.
这两家公司之间的协同作用促成了成功的合作关系。
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 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 adjective /ˈsted.fæst/

Steadfast

坚定; 坚决; 不动摇
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
她在帮助穷人方面保持坚定的决心。
C1 noun /ˈstəʊ.ɪ.sɪ.zəm/

stoicism

斯多伊主义
Meaning
The endurance of pain or hardship without the display of feelings and without complaint.
Example
His stoicism during hardship was admirable.
他在困境中的斯多伊主义令人钦佩。
C1 verb /smɛlt/

smelt

冶炼
Meaning
to extract metal from its ore by heating and melting
Example
The workers smelt iron from its ore in the factory.
工人在工厂中从矿石中冶炼铁。
C1 noun /ˈskwɒlər/

squalor

贫困
Meaning
the state of being extremely dirty and unpleasant, especially due to poverty or neglect
Example
They lived in squalor without basic facilities.
他们在没有基本设施的贫困中生活。
C1 adjective /ˈstæɡ.nənt/

Stagnant

停滯的; 靜止的; 無發展的
Meaning
not moving or flowing; showing no activity or development
Example
The stagnant water in the pond was covered with algae.
池塘裡的停滯水被藻類覆蓋。
C1 adjective /ˈstrɪndʒənt/

stringent

严格
Meaning
strict, precise, and exacting
Example
The government imposed stringent measures during the crisis.
政府在危机期间实施了严格的措施。
C1 noun səˌfɪs.tɪˈkeɪ.ʃən

sophistication

高度复杂性或精致的程度
Meaning
High level of complexity or refinement.
Example
The sophistication of modern AI technology is remarkable.
现代人工智能技术的复杂性令人惊叹。
C1 noun /ˈsɛvərəns/

severance

离职补偿
Meaning
the act of ending something, especially a relationship or employment; compensation paid upon termination
Example
The company offered him severance pay after his job ended.
公司在他工作结束后提供了离职补偿。
C1 noun /spɛk/

speck

斑点
Meaning
A very small spot, mark, or particle.
Example
There was a tiny speck of dust on the glass table.
玻璃桌上有一小片灰尘。
C1 adjective /ˈspʌndʒi/

Spongy

海绵状
Meaning
soft and full of holes like a sponge; porous
Example
The cake had a light and spongy texture.
蛋糕有轻盈而海绵状的质地。
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。
C1 verb /ˈsɪmjʊˌleɪt/

simulate

模拟
Meaning
to imitate the appearance, character, or behavior of something; to pretend or reproduce conditions artificially
Example
The pilot had to simulate an emergency landing during training.
飞行员在训练中必须模拟紧急着陆。
C1 adjective /ˈsæk.rəˌsæŋkt/

sacrosanct

神圣不可侵犯的
Meaning
Regarded as too important or valuable to be interfered with; sacred.
Example
Freedom of speech is considered sacrosanct in democratic societies.
言论自由在民主社会中被视为神圣不可侵犯的。
C1 noun /slɪt/

Slit

裂缝
Meaning
a long narrow opening or cut
Example
There was a small slit in the fabric.
布料上有一个小裂缝。
C1 adjective /ˈsæv.i/

savvy

聪明, 精明
Meaning
Having practical knowledge and the ability to make good judgments.
Example
She is a tech-savvy entrepreneur.
她是一位技术精通的企业家。
C1 noun /ˌsɒl.jʊˈbɪləti/

solubility

溶解度
Meaning
The ability of a substance to dissolve in a solvent.
Example
The solubility of salt in water is high.
盐在水中的溶解度很高。
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 verb /sleɪ/

slay

Meaning
to kill violently; informally, to impress greatly
Example
The hero vowed to slay the dragon.
C1 noun /ˈskwɒtər/

squatter

非法占领者
Meaning
a person who unlawfully occupies an uninhabited building or unused land
Example
The police removed the squatters from the abandoned house.
警方将非法占领者从废弃的房屋中驱逐了出去。
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。
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

间隔重复
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
间隔重复有助于长期记忆保持。
C1 verb /ˈstaɪmi/

stymie

妨碍
Meaning
to prevent or hinder the progress of something
Example
The new regulations could stymie small businesses.
新规章可能会阻碍小型企业的发展。
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 /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 /stɔːntʃ/

staunch

坚定的, 忠诚的
Meaning
Loyal, committed, and firm in support.
Example
She is a staunch supporter of environmental protection.
她是环境保护的坚定支持者。
C1 noun /ˌsɪmbɪˈəʊsɪs/

symbiosis

共生关系
Meaning
A mutually beneficial relationship between different people or groups.
Example
The symbiosis between the two companies led to mutual growth.
两家公司之间的共生关系导致了共同的增长。
C1 verb, adjective, noun /spruːs/

spruce

整理 / 一种树
Meaning
to make neat or tidy in appearance; also refers to an evergreen tree
Example
He spruced up his room before the guests arrived.
他在客人到达之前整理了他的房间。
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 adjective /səbˈmɪs.ɪv/

Submissive

顺从; 听话; 顺从的
Meaning
ready to obey others; yielding to authority; humble and compliant
Example
She became submissive after years of harsh treatment.
她在多年的严厉对待后变得顺从。
C1 adjective /səˈdʒɛstɪv/

suggestive

暗示的
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
这幅画非常暗示，并引发了许多争论。
C1 noun /səˈprɑːnoʊ/

soprano

女性或男孩的最高唱功
Meaning
the highest female or boy’s singing voice
Example
She sang beautifully in the soprano range during the concert.
她在音乐会期间以女高音的音域唱得非常美。
C1 noun /ˈsɪndɪkət/

syndicate

辛迪加
Meaning
A group of individuals or organizations combined to promote a common interest or carry out a business venture.
Example
A syndicate of investors bought the struggling company.
一个投资者辛迪加买下了这家困难的公司。
C1 adjective /sɪˈkluːdɪd/

secluded

隐蔽的
Meaning
Placed apart from other people or things; private and quiet.
Example
They spent their vacation in a secluded beach house.
他们在一个隐蔽的海滩小屋度过了假期。
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 /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 noun /ˈspiːʃiː/

specie

硬币
Meaning
money in the form of coins rather than notes or credit
Example
The transaction was made in specie.
交易是以硬币完成的。
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 adjective /səbˈsɪd.i.ər.i/

Subsidiary

附属的; 次要的; 与子公司相关
Meaning
less important than the main thing; secondary; of or relating to a subsidiary company
Example
The subsidiary company handles all overseas operations.
子公司负责所有海外业务。
C1 noun /ʃruː/

shrew

暴躁的女人 / 小鼠类动物
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
这部戏描述了一位坚强的女性，像一个暴躁的女人一样。
C1 noun /ˈstɔːrhaʊs/

storehouse

仓库
Meaning
A place where goods, supplies, or valuables are stored; a repository
Example
The warehouse acted as a storehouse for all the imported goods.
这个仓库作为所有进口商品的storehouse。
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 adjective /ˈsɛm.ɪ.nəl/

seminal

幸福
Meaning
Strongly influencing later developments; highly original and influential.
Example
His seminal book changed the course of modern philosophy.
她在获得奖项时无法掩饰自己的幸福。
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 adjective /ˈstætʃətɔːri/

statutory

法定的
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
公司必须遵守所有法定规定。
C1 noun ˌskeɪ.ləˈbɪl.ə.ti

scalability

可扩展性
Meaning
The capacity to be changed in size or scale; the ability of a system to handle a growing amount of work.
Example
The new software offers high scalability for large enterprises.
新的软件为大型企业提供了高可扩展性。
C1 noun /ˈʃeɪvɪŋ/

shaving

剃须
Meaning
the act of removing hair with a razor; a thin strip or piece shaved from something
Example
He bought a new cream for shaving.
他买了一款新的剃须膏。
C1 adjective skiˈmæt.ɪk

Schematic

与图表相关或简短的
Meaning
Presenting some framework or concept briefly
Example
The engineer provided a schematic diagram of the project.
工程师提供了该项目的示意图。
C1 noun /səˈlɪləkwi/

soliloquy

独白
Meaning
a speech in which a character talks to themselves, often used in drama to reveal inner thoughts
Example
Hamlet's soliloquy is one of the most famous passages in Shakespearean drama.
哈姆雷特的独白是莎士比亚戏剧中最著名的段落之一。
C1 noun /siˈɛrə klʌb/

Sierra Club

塞拉俱乐部
Meaning
An American environmental organization founded in 1892 by John Muir, focused on promoting conservation of the natural environment by influencing public policy decisions.
Example
John Muir founded the Sierra Club in 1892 to protect wild areas.
约翰·缪尔在1892年创立了塞拉俱乐部，以保护野生地区。
C1 verb /ˈstrætɪfaɪ/

stratify

分层
Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
研究人员计划根据年龄组对数据进行分层。
C1 /splɪnt/

splint

夹板
Meaning
A rigid device used to support and immobilize a broken or injured body part.
Example
The doctor applied a splint to stabilize the patient's broken arm.
医生为病人的断臂稳定应用了夹板。
C1 noun /sɪˈsɛʃən/

secession

分裂
Meaning
The action of formally withdrawing from membership of a federation or body.
Example
The secession of the southern states led to the Civil War.
南方各州的分裂导致了内战。
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 verb /ˈstriːm.laɪn/

streamline

简化或提高效率
Meaning
To make a process simpler and more efficient.
Example
The company aims to streamline production to reduce costs.
公司旨在简化生产以降低成本。
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 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 /ˈsɪlk.wɜːrm/

Silk-worm

蚕
Meaning
the caterpillar of a moth that produces silk fibers used to make silk fabric
Example
Silkworms feed on mulberry leaves to produce silk.
蚕虫以桑叶为食，产生丝绸。
C1 noun /ˈʃrɪŋkɪdʒ/

shrinkage

收缩
Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
公司报告了本季度利润的收缩。
C1 adjective /ˈsɛnʃuəl/

sensual

性感
Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
这幅画有一种性感的质量，吸引了观众。
C1 verb /swɜːrv/

swerve

突然转向
Meaning
to change direction suddenly, especially to avoid hitting something
Example
The car swerved to avoid the dog.
汽车为了避免撞到狗而突然转向。
C1 adjective /səˈriːn/

serene

宁静和平和
Meaning
Calm, peaceful, and untroubled; tranquil.
Example
The lake had a serene and peaceful atmosphere.
湖泊有着宁静和平和的气氛。
C1 noun /səˈlaɪ.və/

Saliva

唾液
Meaning
the watery liquid secreted into the mouth by glands
Example
The dentist asked her to rinse the saliva from her mouth.
牙医让她把口腔里的唾液漱掉。
C1 noun /səˈrɛn.ɪ.ti/

serenity

宁静
Meaning
The state of being calm, peaceful, and untroubled.
Example
Meditation helps in achieving inner serenity.
冥想有助于实现内心的平静。
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 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。
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 adjective /ˈsek.j ə.l ər/

Secular

世俗的
Meaning
not connected with religious or spiritual matters; worldly
Example
The country maintains a secular government that separates religion from politics.
这个国家维持一个世俗的政府，将宗教与政治分离。
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 /suːˈpɜːrlətɪv/

superlative

最高级
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
她的表现是最高级的，赢得了站立的掌声。
C1 adjective /sliːk/

sleek

光滑且闪亮
Meaning
smooth, shiny, and stylish
Example
She drove a sleek black sports car.
她开着一辆闪亮的黑色跑车。
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 adjective səˈsaɪ.ə.təl

societal

社会的
Meaning
Relating to society or social relationships.
Example
Societal benefits of space tourism are under debate.
太空旅游的社会效益正在辩论中。
C1 verb /ˈsʌkɪŋ/

sucking

吮吸
Meaning
Drawing in a liquid, air, or other substance through the mouth or a tube by creating a vacuum; also used figuratively for something unpleasant or ineffective
Example
The baby is sucking on a pacifier.
婴儿正在吮吸安抚奶嘴。
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

自我克制
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
实践自我克制有助于避免冲动的决策。
C1 adjective /stjuːˈpɛndəs/

stupendous

惊人的
Meaning
extremely impressive; amazing in size, degree, or excellence
Example
The magician’s performance was simply stupendous.
魔术师的表演简直是惊人的。
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 /sɪˈmɛtrɪkəl/

symmetrical

对称的
Meaning
having parts on either side that match or are the same in shape, size, or arrangement
Example
The artist designed a symmetrical pattern on the floor.
艺术家在地板上设计了一个对称的图案。
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。
C1 verb /stoʊk/

stoke

Meaning
To add fuel to a fire; to encourage or increase a strong feeling or activity.
Example
The politician’s speech stoked anger among the crowd.
C1 verb /ˈskʌt.əl/

scuttle

幸福
Meaning
To run hurriedly with short, quick steps; or to deliberately sink a ship.
Example
The children scuttled back to their seats when the teacher entered.
她在收到奖项时无法掩饰她的幸福感。
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 /ˈsed.ɪ.mənt/

Sediment

沉积物
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
洪水期间，河水把沉积物冲向下游。
C1 noun /ˈsɜːr.vɪ.tuːd/

Servitude

奴役
Meaning
the state of being a slave or completely subject to someone more powerful
Example
Many people fought to escape the servitude imposed by the colonial system.
许多人为了摆脱殖民制度所强加的奴役而斗争。
C1 noun /ˈsɒl.ɪs/

Solace

安慰
Meaning
comfort or consolation in a time of distress or sadness
Example
She found solace in music after her loss.
在失去后，她在音乐中找到了安慰。
C1 noun /səˈbætɪkəl/

sabbatical

用于学习或旅行的休假期
Meaning
A period of paid leave granted to a teacher or worker for study or travel, traditionally every seventh year.
Example
She took a sabbatical to research her new book.
她为了研究她的新书而休了一个萨巴提卡尔假期。
C1 verb /siːð/

seethe

怒火中烧
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
她在不公平的决定后怒火中烧。
C1 adjective /ˈskwiːmɪʃ/

squeamish

容易感到恶心、头晕或反感
Meaning
easily made to feel sick, faint, or disgusted
Example
She felt squeamish at the sight of blood.
她看到血时感到恶心。
C1 noun /stɑːr ˈæn.ɪs/

Star Anise

八角星
Meaning
star-shaped spice pod with a licorice-like flavor used in cooking
Example
She added star anise to the soup for aromatic flavor.
她在汤里加入了八角星，增添了香气。
C1 noun /ˌsɛlf ɪnˈdʌldʒəns/

self-indulgence

自我纵容
Meaning
The act of allowing oneself to enjoy pleasures or desires excessively.
Example
His weekend of self-indulgence included eating sweets and watching movies nonstop.
他的自我纵容周末包括吃糖果和不停地看电影。
C1 adjective /ˈstʌm.pi/

Stumpy

矮胖
Meaning
short and thick; having a short, thick appearance
Example
The stumpy little dog wagged its tail enthusiastically.
那只矮胖的小狗兴奋地摇着尾巴。
C1 noun /skraɪb/

scribe

抄写员
Meaning
a person who writes documents, especially in ancient times; a professional copyist
Example
In ancient Egypt, scribes recorded important events.
在古埃及，抄写员记录了重要的事件。
C1 noun /ˈskælpəl/

scalpel

手术刀
Meaning
A small and extremely sharp bladed instrument used for surgery and dissection.
Example
The surgeon carefully used a scalpel to make the first incision.
外科医生小心地使用手术刀进行第一次切割。
C1 verb /ʃɜːrk/

shirk

逃避
Meaning
to avoid or neglect a duty or responsibility
Example
He always tries to shirk his responsibilities at work.
他总是尽力避免工作中的责任。
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 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 noun /sərˈveɪər/

surveyor

测量员
Meaning
A person who measures and maps land, buildings, or other features.
Example
The surveyor measured the land for construction.
测量员为建设测量了土地。
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 adjective ˌsɪn.əˈdʒɪs.tɪk

synergistic

协同的
Meaning
Relating to the interaction of elements that when combined produce a greater effect than the sum of their individual effects.
Example
A synergistic effect occurs when nutrients work together.
协同效应发生在营养素共同作用时。
C1 adjective/verb /ˈsiːzənd/

seasoned

经验丰富的 / 加调料的
Meaning
Experienced in a particular activity; also, flavored with spices.
Example
She is a seasoned teacher with over 20 years of experience.
她是一位拥有超过20年经验的资深教师。
C1 noun /səˈprɛʃən/

suppression

压制
Meaning
the act of forcibly stopping something or holding back feelings or actions
Example
The suppression of free speech led to protests.
言论自由的压制导致了抗议。
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 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 verb/noun /skɒtʃ/

scotch

结束 / 苏格兰威士忌
Meaning
to put an end to something; also a type of whisky
Example
The report scotched the rumors of a merger.
报告停止了关于合并的谣言。
C1 noun /ˈseɪɑːns/

seance

灵媒会议
Meaning
A meeting where people attempt to communicate with the spirits of the dead.
Example
They held a seance to contact their late grandmother.
他们举行了灵媒会议，以联系已故的祖母。
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 /ˈsʌm.ɪt əv ðə ˈfjuː.tʃər/

Summit of the Future

未来峰会
Meaning
A high-level conference focused on addressing future challenges and opportunities.
Example
The Summit of the Future addressed global challenges.
未来峰会解决了全球性挑战。
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 verb /ˈskævɪndʒ/

scavenge

在垃圾中寻找
Meaning
to search through waste or discarded material to find useful items
Example
The children scavenged for food in the garbage dump.
孩子们在垃圾堆里找食物。
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 noun /ˈsæf.aɪər/

Saphire

蓝宝石
Meaning
a precious stone that is typically blue in color
Example
The royal crown was adorned with a large sapphire.
皇家王冠上镶嵌着一颗大蓝宝石。
C1 noun /səˈlɪn.ə.t̬i/

salinity

盐度, 盐浓度
Meaning
The salt content of soil or water, typically measured as a concentration.
Example
The salinity of the ocean varies depending on depth and location.
海洋的盐度会根据深度和位置变化。
C1 noun /slæb/

slab

板
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
工人们为地基铺设了一块混凝土板。
C1 verb /səbˈdjuː/

subdue

Meaning
To bring under control, especially by force; to overcome or quiet.
Example
The army was able to subdue the rebellion quickly.
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 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 verb /ˈstæɡ.neɪt/

stagnate

停滞
Meaning
to stop developing, progressing, or moving
Example
Without innovation, the business will stagnate.
没有创新，生意将会停滞不前。