stringency
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C2 noun /ˈstrɪndʒənsi/

stringency

严格
Meaning
the quality of being strict, precise, or severe
Example
The stringency of the new rules surprised everyone.
新规则的严格性让所有人都感到惊讶。
C2 adjective /sɛnˈtɛnʃəs/

sententious

道德主义的；说教的
Meaning
Given to moralizing in a pompous or affected manner.
Example
His sententious remarks annoyed the audience.
他的道德主义言论让观众感到厌烦。
C2 verb /skwɛltʃ/

squelch

Meaning
to make a soft sucking sound, such as when walking on mud; to suppress or silence
Example
His boots squelched in the wet ground.
C2 noun /ˈsaʊər wʊd ˈæp.əl/

Sour wood apple

大象苹果
Meaning
a tropical fruit with hard shell and tangy flesh; elephant apple
Example
The sour wood apple has a unique taste that many people enjoy.
大象苹果有一种独特的味道，许多人喜欢。
C2 noun /ˌsuː.pɚˈfluː.ə.t̬i/

superfluity

过剩
Meaning
An excessive amount of something; more than what is needed.
Example
The room was filled with a superfluity of decorations.
房间里充满了过多的装饰。
C2 noun /ˈsteɪsɪs/ or /ˈstæsɪs/

stasis

停滯
Meaning
A state of inactivity or equilibrium; a situation where nothing changes.
Example
The negotiations reached a state of stasis with no progress made.
谈判达到了停滞状态，没有取得进展。
C2 adjective /ˈʃɪft.ləs/

shiftless

懒惰
Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
他被看作是一个没有目标的懒惰年轻人。
C2 adjective /ˌsuːpərˈæn.ju.eɪ.tɪd/

superannuated

过时的
Meaning
old and no longer useful or valid; retired due to age
Example
The factory was filled with superannuated machines that slowed production.
工厂里充满了过时的机器，这些机器减慢了生产。
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。
C2 adjective /sæŋˈɡwɪniəs/

sanguineous

与血液相关的
Meaning
Relating to blood; bloody.
Example
The surgeon examined the sanguineous discharge from the wound.
外科医生检查了伤口的血腥分泌物。
C2 adjective /ˈstɒlɪd/

stolid

冷静的，沉默的
Meaning
Calm, dependable, and showing little emotion or animation.
Example
Despite the chaos around him, he remained stolid and composed.
尽管周围混乱，他依然冷静沉着。
C2 noun /skæd/

scad

斯卡德鱼
Meaning
A type of fish of the jack family; also informally means a large number or quantity.
Example
The fisherman caught a scad in the net.
渔夫在网中抓住了一条斯卡德。
C2 verb /swɪl/

swill

贪婪地喝
Meaning
to drink something greedily or in large amounts
Example
He swilled down the beer in seconds.
他几秒钟就把啤酒喝完了。
C2 noun /ˈsʌfərəns/

sufferance

宽容
Meaning
patient endurance of pain, hardship, or delay; passive consent or tolerance
Example
He lived in poverty with quiet sufferance.
他在贫困中默默忍受着。
C2 noun/verb /ˈsʌkər/

succor

帮助
Meaning
Assistance and support in times of hardship or distress.
Example
The charity provided succor to the flood victims.
慈善机构为洪水受害者提供了帮助。
C2 noun /sɪˈrɒkoʊ/

sirocco

炎热干燥的风
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
西罗科让这座城市变得极其炎热和尘土飞扬。
C2 adjective /sɪˈnæp.tɪk/

synaptic

突触的
Meaning
Related to the signal transmission process between nerve cells.
Example
Learning strengthens synaptic connections in the brain.
学习增强大脑中的突触连接。
C2 verb /ˈstɪp.əl/

stipple

用小点覆盖
Meaning
to cover a surface with numerous small dots or specks, often in drawing or painting
Example
The artist stippled the canvas to create a textured effect.
艺术家在画布上用小点覆盖，创造了一个纹理效果。
C2 adjective /ˈsʌb.æs.ɪd/

subacid

轻微酸
Meaning
Slightly sour or acidic in taste or nature.
Example
The fruit had a subacid flavor that was refreshing on a hot day.
这种水果有一种轻微酸的味道，在炎热的日子里非常清爽。
C2 noun /ˈstrætədʒəm/

stratagem

计策
Meaning
a plan or scheme designed to achieve a particular goal, often by trickery
Example
The general devised a clever stratagem to outwit the enemy.
将军设计了一个巧妙的计策来智胜敌人。
C2 noun /ˈʃɑːdənfrɔɪdə/

schadenfreude

从他人的不幸中获得的快乐
Meaning
pleasure derived from another person's misfortune
Example
He felt a sense of schadenfreude when his rival failed.
当他的对手失败时，他感到一阵沙登弗洛伊德。
C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

警卫员
Meaning
An officer responsible for maintaining order during meetings or legislative sessions.
Example
The sergeant-at-arms escorted the disruptive member out of the hall.
警卫员把扰乱秩序的成员从大厅带了出去。
C2 noun /ˌsɪmjʊˈleɪkrəm/

simulacrum

拟像
Meaning
an image or representation of someone or something; a superficial likeness
Example
The statue was only a simulacrum of the ancient god.
这座雕像仅仅是古代神灵的拟像。
C2 noun /sʌnd raɪs/

Sunned rice

晒干的米
Meaning
Rice that has been dried in the sun; parched rice
Example
The farmers spread the sunned rice on mats to dry completely.
农民们将晒干的米铺在垫子上，让它完全干燥。
C2 noun /ˈsɛkstənt/

sextant

六分仪
Meaning
a navigational instrument with a graduated arc of 60°, used to measure the angle between a celestial object and the horizon
Example
Using a sextant, the navigator fixed the ship’s position at noon.
使用六分仪，导航员在中午确定了船的位置。
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 adjective /ˈsɪlvən/

sylvan

林地的
Meaning
Relating to or characteristic of the woods or forest.
Example
The cottage was set in a sylvan landscape full of tall trees.
这座小屋位于一个林地的景观中，充满了高大的树木。
C2 noun /ˌself əˈbeɪs.mənt/

self-abasement

自我贬低
Meaning
The act of belittling or humiliating oneself.
Example
His constant self-abasement made others uncomfortable.
他不断的自我贬低让其他人感到不舒服。
C2 noun /ˈsɜːrfɪt/

surfeit

过量
Meaning
an excessive amount of something
Example
There was a surfeit of food at the festival.
节日上食物过量。
C2 noun ˌsʌb.dʒʊˈɡeɪ.ʃən

subjugation

征服或支配
Meaning
The action of bringing someone or something under domination or control, especially by force.
Example
The subjugation of weaker nations by colonial powers shaped history.
殖民大国对较弱国家的征服塑造了历史。
C2 noun /ˈsɪbɪləns/

sibilance

嘶嘶声
Meaning
A hissing or hushing sound, especially in speech with 's' or 'sh'.
Example
The poet used sibilance to create a soft, hissing effect in the verse.
诗人用西比兰斯在诗句中创造了一个柔和的嘶嘶效果。
C2 adjective /səˈlɪsɪtəs/

solicitous

关心
Meaning
showing concern or care for someone's health, happiness, or comfort
Example
She was always solicitous about the well-being of her students.
她总是关心学生们的福祉。
C2 verb /səˈbɔːrn/

suborn

贿赂
Meaning
to bribe or induce someone unlawfully to perform an act, especially to commit perjury
Example
The lawyer was accused of trying to suborn a witness.
律师被指控试图贿赂一名证人。
C2 adjective /ˈʃɑːpwɔːrn/

shopworn

旧的 / 陈旧的
Meaning
worn or faded from being displayed in a shop; no longer fresh or original
Example
The shopworn shoes were sold at a discount.
这些 shopworn 鞋子以折扣价出售。
C2 noun /ˌsɒ̃ˈfrwɑː/

sangfroid

冷静
Meaning
Composure or coolness under pressure.
Example
She impressed everyone with her sangfroid during the interview.
她在面试中以冷静给大家留下了深刻印象。
C2 noun /ˈʃaɪstər/

shyster

骗子
Meaning
a person, especially a lawyer, who uses unscrupulous or dishonest methods
Example
The businessman was exposed as a shyster who cheated clients.
这位商人被曝光为一个骗子，他欺骗了客户。
C2 noun /ˈskæb.ərd/

scabbard

剑鞘
Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
骑士从剑鞘中拔出了剑。
C2 adjective /svelt/

svelte

苗条
Meaning
Attractively thin, graceful, and elegant in appearance or movement.
Example
She looked svelte in the elegant black dress.
她穿着优雅的黑色裙子看起来很苗条。
C2 noun /səˈnɛs.əns/

senescence

衰老
Meaning
The process of growing old or the condition of aging.
Example
The biologist studied senescence in plants to understand aging.
生物学家研究了植物中的衰老过程，以理解衰老。
C2 adjective /ˌsæpəˈneɪʃəs/

saponaceous

含肥皂性质的
Meaning
Soapy or having the qualities of soap.
Example
The plant has saponaceous leaves that produce foam when rubbed in water.
这种植物有含肥皂性质的叶子，擦在水中时会产生泡沫。
C2 adjective /ˈsiːmi/

seamy

堕落的，肮脏的
Meaning
Morally degraded, unpleasant, or sordid.
Example
The novel reveals the seamy side of city life.
这本小说揭示了城市生活的肮脏一面。
C2 adjective /ˌsɛm.iˈsɪv.ə.laɪzd/

semicivilized

半文明
Meaning
Partially civilized; having some aspects of civilization but not fully developed.
Example
The tribe was described as semicivilized by early explorers.
该部落被早期探险家描述为半文明。
C2 noun /ˈslæt.ən/

slattern

邋遢的女人
Meaning
a woman who is untidy or slovenly in appearance or habits
Example
The house looked as if a slattern lived there.
这所房子看起来像是一个邋遢的女人住在那里。
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。
C2 verb /ˈsɪn.tɪ.leɪt/

scintillate

闪烁
Meaning
to sparkle or shine brightly; to emit flashes of light
Example
The diamond ring scintillated under the bright lights.
钻石戒指在明亮的灯光下闪耀。
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。
C2 verb /ˌsuːpərˈæd/

superadd

超级添加
Meaning
to add something to what has already been added
Example
The author chose to superadd a new chapter to the revised edition.
作者决定在修订版中超级添加一个新章节。
C2 noun /ˈstætɪks/

statics

静力学
Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
她正在学习静力学，作为她工程课程的一部分。
C2 noun ˈsaɪəns ˈdezət

science-desert

科学荒漠
Meaning
A region or area lacking in scientific development, research facilities, or educational institutions.
Example
J.C. Bose thrived in a science-desert.
J.C. Bose 在科学荒漠中茁壮成长。
C2 adjective /ˈsʌmp.tʃuˌɛr.i/

sumptuary

与限制个人奢侈品支出的法律或规定相关
Meaning
Relating to laws or regulations intended to limit personal spending on luxury goods.
Example
In medieval Europe, sumptuary laws restricted the wearing of expensive fabrics to the nobility.
在中世纪欧洲，奢侈品法限制了只有贵族才能穿戴昂贵的面料。
C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

超额的
Meaning
Going beyond what is required or expected; more than necessary.
Example
His donation was supererogatory, far beyond what anyone had asked for.
他的捐赠是超额的，远远超过任何人要求的。
C2 noun /sɛkˈstɛt/

sextet

六重奏
Meaning
a group of six people playing music or a piece written for six performers
Example
The jazz sextet filled the small club with a warm, layered sound.
这支爵士六重奏用温暖、分层的声音填满了小俱乐部。
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

破坏
Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
法院因公司破坏证据而惩罚了该公司。
C2 adjective, noun /səbˈmɜːrsəbl/

submersible

潜水器
Meaning
capable of being submerged; a small underwater craft
Example
The scientists explored the deep ocean using a submersible.
科学家们使用潜水器探索了深海。
C2 adjective /ˈslæp.dæʃ/

slapdash

草率
Meaning
done too quickly and carelessly; hasty and careless
Example
The report was written in a slapdash manner, full of errors.
报告写得草率，充满了错误。
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。
C2 noun /sælv/

salve

药膏
Meaning
An ointment used to promote healing of the skin or as protection.
Example
She applied a salve to the burn on her hand.
她在手上的烧伤处涂抹了药膏。
C2 noun /ˈseɪnjər/

seignior

封建领主
Meaning
A feudal lord; a man of authority in medieval Europe.
Example
The seignior demanded taxes from the peasants.
封建领主向农民征税。
C2 adjective /ˈsɪbɪlənt/

sibilant

带有嘶嘶声的
Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
单词 'snake' 以西比兰特的声音开始。
C2 noun /skɪf/

skiff

小船
Meaning
a small, light boat usually for one person
Example
The fisherman paddled his skiff across the lake.
渔夫划着他的“小船”穿过湖面。
C2 noun /ˈsfɛrɔɪd/

spheroid

椭球体
Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
地球不是一个完美的球体，而是一个扁球体。
C2 noun /ˈʃæd.ək/

Shaddock

柚子
Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
沙多克是世界上最大的柑橘类水果。
C2 verb /ˈsnʌfəl/

snuffle

鼻子发出声音地呼吸
Meaning
to breathe noisily through the nose, often because of crying or a cold
Example
The child began to snuffle after crying for a long time.
孩子在哭了很久之后开始嗅鼻。
C2 noun /ˈsɛnʃəns/

sentience

感知能力
Meaning
The capacity to feel, perceive, or experience subjectively.
Example
Many argue that animals possess sentience.
许多人认为动物具有感知能力。
C2 noun /slaɪt/

sleight

技巧
Meaning
Skill or dexterity, especially in performing tricks.
Example
The magician amazed the crowd with his sleight of hand.
魔术师用他的技巧惊艳了观众。
C2 noun/verb /sluːs/

sluice

水闸 / 清洗
Meaning
A sliding gate for controlling the flow of water; to wash or rinse with water in large quantities.
Example
The workers sluiced the mud off the street after the heavy rain.
工人们在暴雨后清洗了街道上的泥巴。
C2 noun /ˈsɪmpəltən/

simpleton

傻瓜
Meaning
a foolish or gullible person
Example
They treated him like a simpleton who could not understand anything complex.
他们把他当作一个无法理解复杂事物的傻瓜对待。
C2 verb /slʌf/ or /sluː/

slough

脱皮 / 沼泽区
Meaning
To shed or cast off (like dead skin); also a swampy or muddy area.
Example
The snake sloughed off its old skin.
蛇脱掉了它的旧皮肤。
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

促汗的
Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
医生开了一种促进出汗的药物来帮助减少发热。
C2 verb /sleɪk/

slake

解渴
Meaning
To satisfy thirst or desire.
Example
She drank cold water to slake her thirst.
她喝了冷水来解渴。
C2 adjective /ˈsiːmli/

seemly

得体
Meaning
proper or appropriate in behavior or appearance
Example
It was not seemly to argue loudly during the ceremony.
在仪式期间大声争论是不合适的。
C2 noun /stɛp/

steppe

草原
Meaning
A large flat area of unforested grassland, especially in southeastern Europe or Siberia.
Example
The nomads traveled across the vast steppe with their herds.
游牧民族带着他们的牲畜穿越辽阔的草原。
C2 adjective səˈluː.bri.əs

salubrious

有益健康的
Meaning
Health-giving; healthy; promoting health and well-being.
Example
The mountain air is salubrious and refreshing.
山中的空气有益健康且清新。
C2 noun səˈtaɪ.ə.ti

satiety

饱腹感
Meaning
The feeling of being satisfied or full, especially with regard to food.
Example
High-fiber foods provide longer satiety.
富含纤维的食物提供更长时间的饱腹感。
C2 verb /sɪˈkwɛstreɪt/

sequestrate

查封
Meaning
To take legal possession of assets until a debt is paid or disputes are resolved.
Example
The court decided to sequestrate the company's property.
法院决定查封公司的财产。
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。
C2 verb /ˈstʌltɪfaɪ/

stultify

使某人或某物显得愚蠢，或阻碍效率和热情
Meaning
to make someone or something appear foolish, or to hinder effectiveness and enthusiasm
Example
The repetitive tasks seemed to stultify the workers' creativity.
重复的任务似乎使工人的创造力变得迟钝。
C2 noun /ˈsteɪtkraft/

statecraft

治国艺术
Meaning
The art of governing and managing state affairs effectively.
Example
The leader was praised for his exceptional statecraft in handling international relations.
领导因其在处理国际关系方面的卓越治国艺术而受到赞扬。
C2 adjective /ˌsuː.pɚˈsɪl.i.əs/

supercilious

傲慢的
Meaning
Behaving or looking as though one thinks one is superior to others; arrogant and disdainful.
Example
She gave him a supercilious smile as if he was beneath her.
她对他露出了一种傲慢的笑容，好像他比她低。
C2 adjective /sɪˈkweɪʃəs/

sequacious

盲目追随
Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
盲目追随的学生从未质疑过他们老师的意见。
C2 adjective /sɛpˈtɛnɪəl/

septennial

每七年一次
Meaning
Occurring every seven years.
Example
The festival is a septennial tradition in the village.
这个节日是村里每七年一次的传统。
C2 noun /ˈsɪʒ.ən/

scission

分裂
Meaning
the act of cutting or dividing something
Example
The political party suffered a scission over ideological disputes.
政党因意识形态争议而经历了分裂。
C2 adjective /ˈsɪmiən/

simian

类人猿的
Meaning
Relating to, resembling, or affecting apes or monkeys.
Example
The scientist studied the simian behavior of the chimpanzees.
科学家研究了黑猩猩的类人猿行为。
C2 noun /seɪn/

seine

大网
Meaning
A large fishing net that hangs vertically in the water.
Example
The fishermen cast their seine into the river.
渔民把他们的大网扔进了河里。
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。
C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

血腥的
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
这场战斗是战争中最血腥的冲突之一。
C2 noun /sɛnˈsɔːrɪəm/

sensorium

感觉中枢
Meaning
The part of the brain or mind concerned with the reception and interpretation of sensory stimuli.
Example
The patient’s sensorium was clouded after the accident.
事故后，病人的感觉中枢受到干扰。
C2 noun /ˌsɪləbɪˈkeɪʃən/

syllabication

音节划分
Meaning
The division of words into syllables.
Example
Proper syllabication helps in correct pronunciation.
正确的音节划分有助于正确发音。
C2 adjective /sʌbˈdʒeɪsənt/

subjacent

下层的
Meaning
lying immediately beneath; underlying
Example
The geological survey revealed subjacent layers of rock.
地质调查揭示了下层的岩层。
C2 noun /ˈsuːθˌseɪər/

soothsayer

预言家
Meaning
a person who claims to predict the future
Example
The king consulted a soothsayer before going to war.
国王在出征前咨询了一个算命师。
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。
C2 noun /ˌsɪŋ.krəˈnɪs.ɪ.ti/

synchronicity

同步性
Meaning
The meaningful coincidence of two or more events that are not planned.
Example
The synchronicity of their thoughts amazed everyone.
他们思想的同步性让所有人都感到惊讶。
C2 noun /ˈstiː.vəˌdɔːr/

stevedore

装卸工
Meaning
A person employed to load and unload cargo from ships.
Example
The stevedores worked tirelessly to unload the cargo before dawn.
装卸工们不知疲倦地工作，直到黎明前卸下货物。
C2 verb /ˌsuːpərˈæn.ju.eɪt/

superannuate

带薪退休
Meaning
to retire someone with a pension, usually due to age or long service
Example
The company decided to superannuate its senior employees after thirty years of service.
公司决定在三十年的服务后将其高级员工带薪退休。
C2 noun /ˈsoʊbrɪˌkeɪ/

sobriquet

绰号
Meaning
a person's nickname or descriptive name
Example
The famous leader was known by the sobriquet 'The Iron Lady'.
这位著名的领导人以‘铁娘子’的绰号为人所知。
C2 adjective /ˈskʌr.ɪ.ləs/

scurrilous

恶意中伤的
Meaning
Using or expressed in coarse, abusive, or slanderous language.
Example
The politician faced criticism for his scurrilous remarks about his opponent.
那位政治家因其对对手的恶意中伤言论而面临批评。
C2 noun /ʃiːf/

sheaf

麦束
Meaning
a bundle of grain stalks laid lengthwise and tied together after reaping; a bundle of objects tied together
Example
The farmer carried a sheaf of wheat on his shoulder.
农民肩上背着一捆小麦。
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。
C2 adjective /ˈsæpɪd/

sapid

美味的
Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
厨师准备了一道美味的菜肴，令桌上的每个人都非常喜欢。
C2 noun /ˈʃʊərəti/

surety

担保人
Meaning
a person who takes responsibility for another's performance of an undertaking, such as appearing in court or paying a debt
Example
The landlord required a surety before renting the apartment.
房东在出租公寓之前要求提供保证人。
C2 noun /səbˈmɜːrʒən/

submersion

沉没
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
在大雨之后，田地的沉没持续了几天。
C2 noun /ˈsælvoʊ/

salvo

齐射
Meaning
A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.
Example
The soldiers fired a salvo to honor the fallen general.
士兵们开了一轮齐射，以向已故将军致敬。
C2 adjective /ˈsteɪ.dʒi/

stagy

过于戏剧化
Meaning
Overly theatrical, artificial, or exaggerated in manner or style.
Example
Her performance felt stagy and unnatural.
她的表演显得过于戏剧化和不自然。
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。
C2 verb /ˈsɛreɪt/

serrate

锯齿边缘
Meaning
To make a saw-toothed edge or notched margin.
Example
The craftsman serrated the knife blade for better cutting.
工匠将刀片锯齿化，以提高切割效果。
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.
C2 noun /ˈsɒfɪst/

sophist

诡辩家
Meaning
a person who uses clever but misleading arguments
Example
He was dismissed as a sophist who twisted facts to win debates.
他被当作一个诡辩家，扭曲事实来赢得辩论。
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

区分特定群体的习语或信仰
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
这句话在竞选期间成为了一个政治性的shibboleth。
C2 noun /skʌlˈdʌɡəri/

skulduggery

欺诈
Meaning
underhanded or dishonest behavior
Example
The politician was accused of financial skulduggery.
这位政治家因金融欺诈而受到指控。
C2 adjective ˌsʌr.əpˈtɪʃ.əs

surreptitious

秘密
Meaning
Kept secret, especially because it would not be approved of; done stealthily.
Example
She took a surreptitious glance at his notes.
她偷偷地看了一眼他的笔记。
C2 verb /ˈstjuːpɪˌfaɪ/

stupefy

使惊讶
Meaning
to make someone unable to think clearly, usually because of surprise or shock
Example
The magician's tricks stupefied the audience.
魔术师的把戏让观众惊呆了。
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。
C2 noun /ˈsɜːfdəm/

serfdom

农奴制
Meaning
The status or condition of being a serf, bound to work for a lord.
Example
Many peasants in medieval Europe lived under serfdom.
许多中世纪欧洲的农民生活在农奴制下。
C2 noun /ʃiːt fɪʃ/

Sheat-fish

鲶鱼
Meaning
A large freshwater catfish with a broad flat head and long barbels
Example
The sheat-fish is one of the largest freshwater fish in South Asia.
鲶鱼是南亚最大的淡水鱼之一。
C2 noun /sfɛˈrɪsɪti/

sphericity

球形
Meaning
The quality or state of being spherical; roundness.
Example
The sphericity of the ball made it roll smoothly on the ground.
球的球形使它能够平稳地在地面上滚动。
C2 noun /səˈvɑːnt/

savant

Meaning
a learned person, especially a distinguished scientist or scholar; sometimes used in the phrase ‘savant syndrome’ for someone with exceptional abilities alongside developmental differences
Example
The conference keynote was delivered by a linguistic savant who studies endangered languages.
C2 adjective /ˈsækərɪn/

saccharine

幸福
Meaning
Excessively sweet or sentimental.
Example
His saccharine smile seemed insincere.
她在获得奖项时无法隐藏她的幸福。
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

神职的
Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
仪式具有明显的神职特征。
C2 noun /ˌsɪɡnɪfɪˈkeɪʃən/

signification

含义
Meaning
the meaning or sense conveyed by a word, action, or symbol
Example
The signification of the gesture was misunderstood.
这个手势的含义被误解了。
C2 adjective /sɪˈlæbɪk/

syllabic

音节的
Meaning
Relating to or based on syllables.
Example
The teacher explained the syllabic structure of the word.
老师解释了这个词的音节结构。
C2 noun /səˈlɪsɪˌtuːd/

solicitude

关心, 照顾
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
他的母亲对他的安全表现出极大的关心。