syncopated
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
C2 adjective /ˈsɪŋkəˌpeɪtɪd/

syncopated

切分节奏
Meaning
Characterized by displaced beats or rhythms, especially in music.
Example
The jazz piece had a syncopated rhythm that energized the crowd.
这段爵士乐有一个切分节奏，激励了人群。
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 /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。
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 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 verb /ˈsɪmpər/

simper

傻笑或做作的笑
Meaning
to smile in a silly, self-conscious, or affected way
Example
She simpered at his compliment, clearly embarrassed.
她在他的夸奖下傻笑，显然感到尴尬。
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 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 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 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 adjective /ˈsmɑːrmi/

smarmy

奉承 / 虚伪的礼貌
Meaning
Excessively flattering or ingratiating, often insincerely.
Example
The salesman gave a smarmy pitch that felt fake.
销售员做了一个让人觉得虚假的奉承推销。
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。
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 adjective /səˈprɛsəbl̩/

suppressible

可抑制的
Meaning
capable of being restrained, controlled, or prevented
Example
The symptoms of the disease are suppressible with medication.
疾病的症状可以通过药物抑制。
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 /ˈskɪz.əm/ or /ˈsɪz.əm/

schism

幸福
Meaning
A division or split between strongly opposed parties, often in religion or organizations.
Example
The schism in the church led to the formation of two separate groups.
她在收到奖项时无法掩饰她的幸福。
C2 noun /ˈsɪbəraɪt/

sybarite

奢侈者
Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
那位百万富翁是真正的奢侈者，他只为舒适和享乐而活。
C2 adjective /ˈstɜːr.tər.əs/

stertorous

重呼吸声
Meaning
Characterized by heavy snoring or breathing.
Example
The patient’s stertorous breathing alarmed the nurses.
病人的重呼吸声让护士们感到惊讶。
C2 noun /ˈseɪ.li.əns/

salience

显著性
Meaning
The quality of being particularly noticeable or important; prominence.
Example
The salience of the issue was highlighted in the debate.
该问题的显著性在辩论中得到了强调。
C2 adjective /ˈslʌvənli/

slovenly

邋遢
Meaning
Untidy or careless in appearance, habits, or work.
Example
His slovenly appearance made a bad impression at the interview.
他的邋遢外表在面试中留下了不好的印象。
C2 noun /ˈsiːkənt/

secant

割线
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
在几何学中，割线在两个不同的点上切割圆形。
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 /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 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 /səˈɡæs.ə.t̬i/

sagacity

深厚的智慧
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
他的萨加西蒂使他成为伟大的领导者。
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 noun /ˌskʌlˈdʌɡəri/

skullduggery

欺诈
Meaning
dishonest behavior or activities, often done secretly
Example
The election was full of political skullduggery.
选举充满了政治欺诈。
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 verb /sʌbˈtɛnd/

subtend

形成角度
Meaning
To extend across or form an angle at a particular point, often used in geometry.
Example
The arc subtends a 60-degree angle at the center of the circle.
弧线在圆心处形成60度角。
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 /ˌʃæŋɡriˈlɑː/

shangri-la

虚构的乐园
Meaning
a remote, beautiful, imaginary place where life is perfect and peaceful
Example
They described the island as a modern-day Shangri-La.
他们将这个岛屿描述为现代版的香格里拉。
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 /ˌsuːpərˈnuːmərɛri/

supernumerary

额外的
Meaning
Exceeding the usual number; extra or unnecessary.
Example
The play included several supernumerary actors to fill the background scenes.
这出戏包含了几个额外的演员来填充背景场景。
C2 noun /ˈsuːpsɒ̃/

soupcon

少量
Meaning
a very small quantity of something; a trace
Example
She added just a soupcon of spice to the dish.
她在菜肴中只加了一点香料。
C2 noun ˈsɒmnələns

somnolence

嗜睡
Meaning
A state of drowsiness or sleepiness; inclination to sleep.
Example
The somnolence after a heavy meal made it hard to concentrate.
一顿重餐后的嗜睡让人难以集中注意力。
C2 noun /sɑːrˈkɒfəɡəs/

sarcophagus

石棺
Meaning
A stone coffin, often decorated, used in ancient times.
Example
The museum displayed a beautifully carved sarcophagus from ancient Egypt.
博物馆展示了来自古埃及的美丽雕刻的石棺。
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 /ˈsʌplɪkənt/

supplicant

恳求者
Meaning
A person who humbly or earnestly asks for something, usually from a person of authority.
Example
The temple was filled with supplicants seeking blessings.
寺庙里充满了恳求者，寻找祝福。
C2 verb /ˈsæŋktɪfaɪ/

sanctify

圣化
Meaning
to make holy or sacred; to purify
Example
The priest will sanctify the marriage ceremony.
牧师将祝圣婚礼仪式。
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 /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 verb /ʃʌk/

shuck

剥壳
Meaning
To remove the outer covering, such as the husk of corn or shell of shellfish.
Example
She learned how to shuck oysters quickly.
她学会了如何快速打开牡蛎。
C2 noun /sʌbˈɔːl.tən/

subaltern

处于下级职位的人；在军队中，初级军官
Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
下级军官负责指挥一个小型士兵排。
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 /stɛnˈtɔːriən/

stentorian

震耳欲聋
Meaning
Extremely loud and powerful in sound.
Example
The teacher’s stentorian voice quieted the noisy classroom.
老师那震耳欲聋的声音让嘈杂的教室安静了下来。
C2 verb /sɛkˈstuːpəl/

sextuple

六倍增加
Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
在两个季度内，活动的日常注册人数增加了六倍。
C2 adjective /ˈsɑːdn/

sodden

湿透的
Meaning
thoroughly soaked or saturated with liquid
Example
His clothes were sodden after the heavy rain.
他的衣服在大雨后湿透了。
C2 noun /ˈspæŋɡəl/

spangle

亮片
Meaning
A small shiny piece of metal or plastic used for decoration on clothes.
Example
Her dress was covered with silver spangles that glittered in the light.
她的裙子上覆盖着银色的亮片，在光线下闪闪发光。
C2 noun /ˈstrɪplɪŋ/

stripling

年轻人
Meaning
a young man who is not yet fully grown
Example
The stripling dreamed of becoming a brave knight.
那个年轻人梦想成为一个勇敢的骑士。
C2 verb /ʃiːð/

sheathe

放回剑鞘
Meaning
to put a sword or knife back into its cover
Example
He quickly sheathed his sword after the duel.
他在决斗后迅速把剑重新放回剑鞘。
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 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 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

蝎子鱼
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
蝎子鱼有危险的刺，可以注入毒液。
C2 noun /ˈsælvər/

salver

银托盘
Meaning
A tray, typically made of silver, used for serving food or drinks.
Example
The butler brought in the tea on a silver salver.
管家将茶水放在银托盘上端来。
C2 adjective /səˈluːtəˌtɔri/

salutatory

欢迎辞
Meaning
Relating to or expressing a greeting or an address, especially at the beginning of a speech.
Example
She delivered a salutatory address at the graduation ceremony.
她在毕业典礼上发表了欢迎辞。
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/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 /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 /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 noun /sɒl/

sol

索尔（音乐音阶的第五个音符）
Meaning
The fifth note of the sol-fa musical scale (do, re, mi, fa, sol, la, ti); also the Latin word for sun
Example
The choir practiced singing the note sol during rehearsal.
合唱团在排练时练习唱索尔音符。
C2 noun /strəˈmoʊ.ni.əm ˌflaʊ.ər/

Stramonium flower

颠茄花
Meaning
A trumpet-shaped white or purple flower from the jimsonweed plant, known for its toxic properties
Example
The stramonium flower blooms at night with a sweet fragrance.
颠茄花在晚上盛开，散发出甜美的香气。
C2 verb, adjective /ˈstraɪeɪt/

striate

条纹
Meaning
to mark with stripes or grooves; striped or streaked in appearance
Example
The rock surface was striated by glacial movement.
岩石表面因冰川运动而被划出条纹。
C2 adjective /ˌsuːprəˈmʌndeɪn/

supramundane

超世俗
Meaning
beyond the physical or ordinary world; transcendent
Example
The monk spoke of supramundane peace beyond material life.
和尚讲述了超越物质生活的超世俗的平静。
C2 verb /səbˈsjuːm/

subsume

包括
Meaning
To include or absorb something into a larger group or category.
Example
Minor details were subsumed under the main topic.
次要细节被纳入了主要话题。
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 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 /ˈspɛndˌθrɪft/

spendthrift

挥霍者
Meaning
A person who spends money extravagantly or wastefully.
Example
The young prince was known as a spendthrift, wasting his fortune on lavish parties.
年轻的王子被称为挥霍者，浪费他的钱财在奢华的派对上。
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 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 verb /ˈsʌpjʊˌreɪt/

suppurate

化脓
Meaning
to form or discharge pus, usually as a result of infection
Example
The wound began to suppurate after a few days.
伤口在几天后开始脓液化。
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 adjective /ˈseɪpiənt/

sapient

明智的
Meaning
Wise, or appearing to be wise.
Example
The professor gave a sapient response to the complex question.
教授对复杂的问题做出了明智的回答。
C2 noun (plural, informal) /skædz/

scads

一大堆
Meaning
A large number or quantity of something (informal).
Example
She has scads of friends in the city.
她在城市里有一大堆朋友。
C2 adjective /ˈsɒmnələnt/

somnolent

昏昏欲睡
Meaning
Sleepy or drowsy; causing a desire to sleep.
Example
The somnolent lecture made half the class fall asleep.
那堂昏昏欲睡的讲座让一半的班级都睡着了。
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 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 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, adverb /ˈsaɪdlɔːŋ/

sidelong

斜视
Meaning
Directed to the side; indirect, furtive, or not straightforward.
Example
She gave him a sidelong glance across the room.
她穿过房间投给他一个斜视。
C2 noun /ˈsaɪz.mə.ɡræf/

seismograph

地震仪
Meaning
An instrument that measures and records details of earthquakes, such as force and duration.
Example
The seismograph detected a strong tremor in the area.
地震仪检测到该地区的强烈震动。
C2 adverb /ˌsʌb ˈroʊzə/

sub rosa

秘密地
Meaning
secretly, in confidence, or in private
Example
The deal was made sub rosa to avoid public scrutiny.
交易是在秘密地进行的，以避免公众审查。
C2 noun /ˈsɪlvər kɑrp/

Silver carp

银鲤
Meaning
a large freshwater fish with silvery scales, commonly farmed for food
Example
Silver carp is widely cultivated in fish farms across Asia.
银鲤在亚洲的鱼场中被广泛养殖。
C2 verb /ˈsʌblɪmeɪt/

sublimate

转化为更高的活动
Meaning
to redirect strong emotions or desires into socially acceptable activities or channels
Example
She sublimated her anger into painting beautiful landscapes.
她将愤怒转化为美丽的风景画。
C2 adjective /stəˈkɑː.təʊ/

staccato

断奏
Meaning
short and detached in sound or style, often used in music
Example
The pianist played the notes in a staccato rhythm.
钢琴家以断奏的节奏弹奏音符。
C2 adjective /səˈleɪʃəs/

salacious

淫秽的
Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
小报发布了关于名人的淫秽故事。
C2 verb /seɪt/

sate

满足
Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
长途旅行后，丰盛的餐点满足了他们的饥饿。
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 /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 noun /ˈsɒfɪstri/

sophistry

诡辩
Meaning
the use of clever but false arguments, often to deceive
Example
The politician's speech was full of sophistry.
那位政治家的演讲充满了诡辩。
C2 adjective /ˌsʌpəzɪˈtɪʃəs/

supposititious

假设的
Meaning
Based on assumption rather than fact; not genuine or authentic.
Example
The story turned out to be supposititious, with no evidence to support it.
这个故事证明是假的，没有证据支持它。
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 /sɜːrˈsiːs/

surcease

停止
Meaning
a temporary or final ending or stopping of something
Example
The noise finally came to a surcease after midnight.
噪音在午夜后终于停止了。
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 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 /ˈsætər/

satyr

幸福
Meaning
a creature from Greek mythology depicted as a lustful being, often half-man and half-goat; by extension, a lecherous man
Example
In the museum mural, a satyr plays the panpipes while dancing in the woods.
当她获得奖项时，她无法掩饰自己的幸福。
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 noun /ˈsɔː.dər/

Sawder

奉承; 奉承的话
Meaning
flattering or wheedling talk; soft soap
Example
His sawder couldn't convince anyone of his sincerity.
他的奉承无法说服任何人相信他的真诚。
C2 adjective /ˌsɒfəˈmɒrɪk/

sophomoric

不成熟
Meaning
showing immaturity and overconfidence, like a sophomore
Example
His sophomoric behavior embarrassed his friends.
他的不成熟行为让他的朋友们感到尴尬。
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 /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 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 adjective /ˈsʌpliənt/

suppliant

恳求者
Meaning
Humbly or earnestly asking for something, especially from a person in authority.
Example
The suppliant man begged for mercy at the king's feet.
恳求者在国王的脚下乞求怜悯。
C2 noun /ˈspuːnərɪzəm/

spoonerism

斯普内里兹姆
Meaning
A verbal error in which the initial sounds of words are swapped to create a humorous effect.
Example
He made a spoonerism by saying 'queer old dean' instead of 'dear old queen'.
他通过说'古怪的老院长'代替'亲爱的老皇后'来做了一个斯普内里兹姆。
C2 adjective /sɪˈnɒptɪk/

synoptic

概括性的
Meaning
giving a general overview or summary; presenting a broad view
Example
The report offers a synoptic view of climate trends over the past century.
报告提供了过去一个世纪气候趋势的概括性视图。
C2 noun /ˈsɛm.ɪ.nɛr.i/

seminary

神学院
Meaning
A school or college for training priests, ministers, or rabbis.
Example
He decided to enroll in a seminary to study theology.
他决定报名参加神学院，学习神学。
C2 noun /ˈsækrɪsti/

sacristy

圣器室
Meaning
a room in a church where sacred vessels and vestments are kept
Example
The priest entered the sacristy before the mass began.
神父在弥撒开始前进入了圣器室。
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。
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 adjective /ˈsæ.loʊ/

sallow

黄色的
Meaning
Of an unhealthy yellow or pale brown color, often referring to skin.
Example
His sallow complexion made him look tired and sickly.
他那黄色的肤色让他看起来既疲惫又生病。
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 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 verb /ˈseɪʃiˌeɪt/

satiate

满足
Meaning
To satisfy fully, especially with food or desire.
Example
The large meal satiated his hunger.
丰盛的餐食满足了他的饥饿。
C2 noun /ˈsweɪʒən/

suasion

劝说
Meaning
the act of persuading or influencing someone
Example
The leader used gentle suasion to win support for the plan.
领导者使用温和的劝说来赢得对计划的支持。
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 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 /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 /ˌsuːpərɪnˈtɛndəns/

superintendence

监督
Meaning
the act of overseeing, supervising, or managing
Example
The superintendence of the school is the principal’s duty.
学校的监督是校长的责任。
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 noun /ˈsaɪnɪkjʊər/

sinecure

轻松工作
Meaning
a position requiring little or no work but giving financial benefit or status
Example
He was given a sinecure at the university as a reward for his loyalty.
作为对他忠诚的奖励，他在大学获得了一个轻松的职位。
C2 adjective /spɪk/

Spick

极其干净整洁；完美无瑕
Meaning
extremely clean and neat; immaculate
Example
The house was spick and span after the cleaning.
清洁后，房子变得一尘不染，整洁如新。
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 adjective /sɒmˈnɪfərəs/

somniferous

催眠的
Meaning
Tending to induce sleep; soporific.
Example
The professor's somniferous lecture put half the class to sleep.
教授的催眠讲座让一半的学生睡着了。