surreptitious
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 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 /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 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 /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 /ˈsɪnjuː/

sinew

肌腱
Meaning
A tendon; figuratively, the source of strength, power, or resilience.
Example
The sinews in his arms stood out as he lifted the heavy box.
当他举起沉重的箱子时，他手臂上的肌腱明显凸出。
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 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 /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 /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 adjective /ˈsloʊθfəl/

slothful

懒惰
Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
她太懒了，早上不想从床上起来。
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 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 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 /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 /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 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 /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 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 adjective /splɪˈnɛtɪk/

splenetic

脾气暴躁的，易怒的
Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
他的脾气暴躁的评论冒犯了房间里的每个人。
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 /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 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 verb /ˈsʌbdʒʊˌɡeɪt/

subjugate

征服
Meaning
To bring under domination or control, especially by conquest.
Example
The empire sought to subjugate the neighboring kingdoms.
帝国试图征服邻国。
C2 verb /ˈsʌk.əl/

suckle

哺乳
Meaning
to feed a baby or young animal with milk from the breast or udder
Example
The mother cat suckled her kittens in the basket.
母猫在篮子里哺乳她的小猫。
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 /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 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 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 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 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 /ˌsɒ̃ˈfrwɑː/

sang-froid

冷静
Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
领导以非凡的冷静处理了这次危机。
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 /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 /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 /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 /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 /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 /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 /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 /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 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 /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 /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 noun /ˈsʌbtərˌfjuːdʒ/

subterfuge

欺诈手段
Meaning
Deceit used to achieve one's goal; a trick or excuse to evade something.
Example
They used subterfuge to avoid paying taxes.
他们使用欺诈手段来避免缴税。
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/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 /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 /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 /sʌbˈlɪŋɡwəl/

sublingual

舌下
Meaning
situated or applied under the tongue
Example
The doctor prescribed a sublingual tablet for faster absorption.
医生为更快的吸收开了舌下药片。
C2 noun /ˈsɛpəlˌtʃər/

Sepulture

坟墓; 埋葬;
Meaning
the act of burying a dead body; burial; a grave or tomb
Example
The ancient king's sepulture was discovered by archaeologists.
古代国王的坟墓被考古学家发现。
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。
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 /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 /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 /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 noun /sfɪˈrɒmɪtər/

spherometer

球形仪
Meaning
An instrument used for measuring the curvature of spherical surfaces.
Example
The scientist used a spherometer to measure the lens curvature.
科学家使用了一个球形仪来测量透镜的曲率。
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 /ˈstænʃən/

stanchion

支柱
Meaning
a strong upright bar or post used as support or to control movement
Example
The red rope was attached to the stanchions to guide the crowd.
红色绳子被固定在支柱上以引导人群。
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 /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 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 /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 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 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 /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 /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 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 /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 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 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 /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 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 /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 /sɪˈnɛrəsɪs/

syneresis

协同作用
Meaning
The contraction of two adjacent vowels into a single syllable or the separation of liquid from a gel.
Example
The yogurt showed syneresis when liquid separated on top.
当液体在上面分离时，酸奶表现出协同作用。
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 /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 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 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 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 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 /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.
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 /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 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 /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 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 adjective /ˌsɪkəˈfæntɪk/

sycophantic

拍马屁
Meaning
Behaving in a way that is excessively obedient or servile to gain favor.
Example
His sycophantic behavior annoyed his colleagues.
他的拍马屁行为让同事们感到厌烦。
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 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 /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 /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 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 /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 /ˈsʌfrədʒɪst/

suffragist

妇女参政权运动者
Meaning
a person advocating the extension of suffrage, especially to women
Example
The suffragists organized rallies to demand voting rights for women.
妇女参政权运动者组织了集会，要求为女性争取投票权。
C2 verb /səˈfjuːz/

suffuse

弥漫
Meaning
to gradually spread through or over something
Example
A warm glow suffused her face as she smiled.
当她微笑时，一种温暖的光辉弥漫到她的脸上。
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 /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 noun /ˈsɪkəfənt/

sycophant

阿谀奉承者
Meaning
A person who acts obsequiously toward someone important in order to gain advantage.
Example
The manager was surrounded by sycophants who agreed with everything he said.
经理被一群拍马屁的人包围，他们同意他说的每一件事。
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 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 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 /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 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 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 /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 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 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 adjective /saɪˈdɪəriəl/

sidereal

恒星的
Meaning
Relating to the stars or constellations; measured relative to the stars.
Example
Astronomers use sidereal time to track the positions of stars.
天文学家使用恒星时间来追踪星星的位置。
C2 noun /ˈspɒt.ɪd sneɪk hed/

Spotted snake head

斑点蛇头鱼
Meaning
a type of freshwater fish with spotted markings and an elongated head resembling a snake
Example
The spotted snake head is a popular fish for aquaculture in South Asia.
斑点蛇头鱼是南亚水产养殖中常见的鱼类。
C2 noun /sɒmˈnæmbjʊlɪst/

somnambulist

嗣眠者
Meaning
A person who sleepwalks.
Example
The somnambulist wandered out of the house at night.
嗣眠者晚上走出屋外。
C2 adjective /ˈswɔːrði/

swarthy

黝黑的
Meaning
Having a dark complexion or skin tone.
Example
The sailor had a swarthy face from years under the sun.
那个水手的脸因为多年在阳光下工作而变得黝黑。
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 /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 adjective /səˈmætɪk/

somatic

身体的
Meaning
Relating to the body, especially as distinct from the mind.
Example
Yoga can improve both somatic and mental health.
瑜伽可以改善身体和心理健康。
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 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 /ˈswɑːvɪti/

suavity

优雅与魅力
Meaning
smoothness and charm in manner
Example
His suavity made him popular in social gatherings.
他的优雅与魅力使他在社交聚会中很受欢迎。
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 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 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 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。