Stramonium flower
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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 noun /ˈseɪ.ɡoʊ/

Sago

萨戈
Meaning
starchy foodstuff obtained from the pith of various tropical palm stems
Example
She prepared sago pudding for dessert.
她为甜点准备了萨戈布丁。
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 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 /ˈspiːʃəs/

specious

虚假
Meaning
Superficially plausible but actually false; misleading in appearance.
Example
The politician’s argument was specious, sounding convincing but lacking real evidence.
那位政治家的论点是虚假的，听起来很有说服力，但缺乏真实的证据。
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 verb /ˈsʌplɪˌkeɪt/

supplicate

恳求
Meaning
To ask for something earnestly or humbly, often in a religious context.
Example
The villagers supplicated the gods for rain during the drought.
村民们在干旱期间恳求神灵降雨。
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 /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 adjective /ˈspaɪnəs/

spinous

多刺的
Meaning
Having spines or thorn-like projections
Example
The spinous cactus was difficult to handle without gloves.
这个有刺的仙人掌没有手套很难拿。
C2 adjective /ˈsed.j ə.l ə s/

Sedulous

勤奋的; 努力的;
Meaning
showing dedication and diligence; persistent and careful in work
Example
She was sedulous in her research, spending hours in the library every day.
她在研究中非常勤奋，每天都在图书馆度过数小时。
C2 adjective /spraɪ/

spry

灵活
Meaning
active and lively, especially in old age
Example
The spry grandmother surprised everyone with her quick dance steps.
灵活的奶奶用快速的舞步让所有人都惊讶不已。
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 verb /ˈstræɡəl/

straggle

不规则地移动
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
孩子们开始在漫长的徒步旅行中掉队。
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 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 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 /ˌsuː.pər.əˈbʌn.dəns/

superabundance

过剩
Meaning
An excessive or overflowing amount of something.
Example
The garden was filled with a superabundance of flowers.
花园里充满了过多的花朵。
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 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 /ˈsɛrid/

serried

紧密排列
Meaning
pressed or crowded together, often in rows or ranks
Example
The soldiers stood in serried ranks, ready for inspection.
士兵们站在紧密排列的队列中，准备接受检查。
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/verb /ˈsoʊdʒɜrn/

sojourn

短暂停留
Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
她在夏天享受了在巴黎的短暂逗留。
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 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 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 /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 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 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 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 adjective /ˈsɪbɪlaɪn/

sibylline

希比林
Meaning
Prophetic, mysterious, or cryptic in meaning.
Example
The old woman gave a sibylline warning about the future.
那位老妇人对未来做出了一个希比林的警告。
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 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 /səˈdʒɛstəbəl/

suggestible

易受影响的
Meaning
easily influenced by the suggestions of others
Example
Children are highly suggestible and may believe what they are told.
孩子们很容易受到影响，可能会相信他们被告知的事情。
C2 noun /ˈskɜː.vi/

scurvy

坏血病
Meaning
A disease caused by a deficiency of vitamin C, leading to weakness, gum disease, and bleeding.
Example
Sailors often suffered from scurvy during long sea voyages without fresh fruits.
在没有新鲜水果的长时间海上航行中，水手们经常患上坏血病。
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 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 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 verb /ˈsnɪvəl/

snivel

以软弱或令人讨厌的方式哭泣或抱怨
Meaning
to cry or complain in a weak or annoying way
Example
He began to snivel when he didn’t get his way.
当他没得到他想要的东西时，他开始哭泣。
C2 noun /sɪˈdɪʃ.ən/

Sedition

煽动罪
Meaning
conduct or speech inciting people to rebel against authority; treason
Example
The activist was charged with sedition for his inflammatory speeches.
因其煽动性言论，该活动家被控煽动罪。
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 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 adjective /ˈsætərˌnaɪn/

saturnine

忧郁的
Meaning
slow and gloomy in mood
Example
His saturnine expression made everyone in the room uncomfortable.
他的忧郁表情让房间里的人都感到不舒服。
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 adjective /ˈslɪpʃɒd/

slipshod

草率的, 马虎的
Meaning
done in a careless, sloppy, or untidy way
Example
The project failed due to slipshod planning.
由于草率的规划，项目失败了。
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 adjective /ˈstɪdʒiən/

stygian

阴暗
Meaning
extremely dark, gloomy, or forbidding
Example
They walked through the stygian cave with torches.
他们拿着火把走过了阴暗的洞。
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 /spliːn/

spleen

脾脏; 愤怒
Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
会议后，他把愤怒发泄在同事身上。
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 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 /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 noun /səbˈdʌk.ʃən/

subduction

地壳的一个层次向下移动，进入下方的地幔。
Meaning
The lateral and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Example
The Pacific Ring of Fire is an area of intense subduction.
太平洋火环是一个强烈的俯冲区域。
C2 verb /ˌsuːpərˈhiːt/

superheat

过热
Meaning
to heat a substance beyond its normal boiling point without it becoming vapor
Example
Engineers superheat the steam to increase the efficiency of the turbine.
工程师将蒸汽超热以提高涡轮机的效率。
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 /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 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 /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 verb /ˈskærɪfaɪ/

scarify

松土
Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
农民在种植种子之前松土。
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 noun /ˈsʊrmə fɪʃ/

Surma fish

苏尔马鱼
Meaning
a freshwater fish species found in the Surma river system of Bangladesh and northeastern India
Example
Surma fish is native to the rivers of Sylhet region.
苏尔马鱼是西莱特地区河流的本土鱼类。
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 /ˈsætræp/

satrap

总督
Meaning
a governor of a province in ancient Persia; also used figuratively for a subordinate ruler
Example
The king appointed a satrap to oversee the distant province.
国王任命了一个总督来管理遥远的省份。
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 /spjuːm/

spume

泡沫
Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
波浪撞击岩石，空气中留下泡沫。
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 /ˌstætʃuˈɛsk/

statuesque

雕像般的
Meaning
Having the grace, beauty, or dignity of a statue; tall and attractively proportioned.
Example
She had a statuesque figure that turned heads wherever she went.
她有着雕像般的身形，每走到哪里都会吸引视线。
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 /ˈsɪbəleɪt/

sibilate

发出嘶嘶声
Meaning
To pronounce with a hissing sound.
Example
The actor sibilated his lines for dramatic effect.
演员为了戏剧效果，用嘶嘶声说出了他的台词。
C2 noun /ˈsaɪ.ə.lɪz.əm/

sciolism

表面知识的假装
Meaning
pretentious show of superficial knowledge
Example
His speech was full of sciolism, impressing no one.
他的演讲充满了赛奥利主义，没有打动任何人。
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 /spæzˈmɒdɪk/

spasmodic

痉挛性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
病人在夜间经历了痉挛性咳嗽。
C2 noun /spɪˈlʌŋkər/

spelunker

洞穴探险者
Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
洞穴探险者带着绳子和灯光进入了黑暗的洞穴。
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 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 /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 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 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 noun /ˈskɪnˌflɪnt/

skinflint

吝啬鬼
Meaning
a person who spends as little money as possible; a miser
Example
The landlord was such a skinflint that he never repaired anything.
房东是个吝啬鬼，从不修理任何东西。
C2 noun /spʌndʒ ɡɔːrd/

Sponse gourd

海绵瓜
Meaning
a fibrous gourd that becomes sponge-like when dried, used for cleaning and in cooking when young
Example
The sponge gourd can be eaten when young or dried to make natural scrubbers.
海绵瓜可以在年轻时食用，或者干燥后制成天然海绵。
C2 adjective /ˈspɔːrtɪv/

sportive

运动的
Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
孩子们在野餐时都很运动。
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 noun /ˈstrɪk.tʃər/

stricture

限制，批评
Meaning
a restriction or limitation; a critical remark
Example
The new law placed a severe stricture on free speech.
新法律对言论自由施加了严格的限制。
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 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

水下的
Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
潜水员探索了充满稀有鱼类的水下洞穴系统。
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 adjective /ˈsɛpərəbəl/

separable

可分离的
Meaning
Capable of being separated or divided.
Example
The two issues are separable and should be discussed independently.
这两个问题是可分离的，应该独立讨论。
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 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 noun /ˈsɛrəf/

seraph

六翼天使
Meaning
An angelic being associated with light and purity, often depicted as a high-ranking angel in Christian theology.
Example
The stained-glass window depicted a seraph with outstretched wings.
彩色玻璃窗描绘了一个展开翅膀的六翼天使。
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 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 /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 /sɪˈkwiːlə/

sequela

后遗症
Meaning
A condition that is the consequence of a previous disease or injury.
Example
Lung scarring can be a sequela of severe pneumonia.
肺部瘢痕可能是重症肺炎的后遗症。
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 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 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 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 sɑːˈtɔːrɪəl

sartorial

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

sagacious

贤明
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
他的贤明领导力使公司免于失败。
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 /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 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 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 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 /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 /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 /ˈsɪŋ.krə.ni/

synchrony

同步性
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
他们的舞蹈表演展示了完美的同步性。