stringent
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C1 adjective /ˈstrɪndʒənt/

stringent

严格
Meaning
strict, precise, and exacting
Example
The government imposed stringent measures during the crisis.
政府在危机期间实施了严格的措施。
B2 adjective/noun /staʊt/

stout

强壮 / 粗壮
Meaning
Strong, thick, or heavily built; also a kind of dark beer
Example
The stout man lifted the heavy box with ease.
这个强壮的男人轻松地举起了沉重的箱子。
C1 adjective /ˈsiːzənəbəl/

Seasonable

季节性的
Meaning
occurring at the right time; appropriate for the season; timely
Example
The seasonable rain helped the farmers with their crops.
季节性的雨水帮助农民收获他们的作物。
C1 adjective /ˈskwɒlɪd/

squalid

极其脏乱
Meaning
extremely dirty and unpleasant, often due to poverty or neglect
Example
He lived in a squalid room with broken furniture.
他住在一个脏乱的房间里，里面有坏掉的家具。
B2 noun /ˈsɛnət/

senate

参议院
Meaning
a legislative or governing body, typically the upper chamber in a bicameral legislature
Example
The senate voted in favor of the new healthcare bill.
参议院投票支持新的医疗保健法案。
C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

比声音的速度更快; 与超过声音速度的速度相关
Meaning
faster than the speed of sound; relating to speeds greater than the speed of sound
Example
The supersonic jet broke the sound barrier.
超音速飞机打破了音障。
C1 noun, adjective, verb /səˈbɔːrdənət/ (noun/adjective), /səˈbɔːrdəˌneɪt/ (verb)

subordinate

下属
Meaning
lower in rank or position; to treat as less important
Example
He manages ten subordinates in his department.
他在他的部门里管理十个下属。
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。
C1 noun /ˈʃʊɡ.ər ˈkæn.di/

Sugar candy

糖果
Meaning
crystallized sugar formed into small pieces; rock candy made from sugar syrup
Example
The children enjoyed eating colorful sugar candy at the festival.
孩子们在节日上享受吃彩色的糖果。
B2 verb /ˈsmʌɡəl/

smuggle

Meaning
to move goods illegally into or out of a country
Example
The gang tried to smuggle gold across the border.
B2 noun /swiːt/

suite

套房
Meaning
a set of rooms designated for one person's or family's use or for a particular purpose
Example
They stayed in the presidential suite at the hotel.
他们住在酒店的总统套房里。
A2 adjective /ˈʃaɪ.ni/

Shiny

闪亮的; 光亮的;
Meaning
reflecting light; bright and polished; glossy
Example
The shiny new car caught everyone's attention.
那辆闪亮的新车吸引了所有人的注意。
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。
C1 adjective /səˈnɔːrəs/

sonorous

深沉的声音
Meaning
Deep, full, and rich in sound.
Example
The actor's sonorous voice filled the entire theater.
演员那深沉的声音充满了整个剧院。
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 /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。
B1 noun /saɪt/

site

位置
Meaning
a location or place, often used for a specific purpose, such as a construction site or a website
Example
The construction site is ready for the next phase of the project.
建设现场已准备好进入项目的下一阶段。
A2 noun /skɜːrt/

Skirt

裙子
Meaning
a garment that hangs from the waist and covers part or all of the legs
Example
She chose a blue skirt to match her blouse.
她选择了一条蓝色的裙子，以配合她的衬衫。
C1 noun /stɪnt/

stint

短期工作
Meaning
a period of time spent doing a particular job or activity
Example
She did a short stint as a teacher before moving abroad.
她在搬到国外之前做了一段短时间的教师工作。
C1 adjective /ˈstɒdʒi/

stodgy

沉闷的，老式的
Meaning
Dull, uninspired, or old-fashioned; also heavy and hard to digest when referring to food.
Example
The lecture was so stodgy that many students struggled to stay awake.
讲座太沉闷了，以至于许多学生难以保持清醒。
C1 noun /ˌsɛlf ɪnˈdʌldʒəns/

self-indulgence

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

sundry

杂项
Meaning
Various or miscellaneous.
Example
The shop sells fruits, clothes, and sundry items.
这家店卖水果、衣服和各种商品。
C1 verb /slɪŋk/

slink

悄悄移动
Meaning
to move quietly and secretly, often to avoid being noticed
Example
The cat slunk into the room without making a sound.
猫悄悄地进入房间，没有发出任何声音。
C1 noun /ˈsaɪd.laɪn dɪˈskʌʃənz/

sideline discussions

边缘讨论
Meaning
Informal or secondary conversations that occur outside the main agenda of a formal meeting.
Example
Sideline discussions often lead to agreements.
边缘讨论常常导致协议。
C1 noun /ˌsɛnsəˈbɪləti/

Sensibility

感性
Meaning
the ability to appreciate and respond to complex emotional or aesthetic influences; sensitivity
Example
Her artistic sensibility made her appreciate fine details in paintings.
她的艺术感性使她能够欣赏画作中的细节。
C1 adjective /ˈseɪ.li.ənt/

salient

重要的，突出的或显著的
Meaning
Most important, prominent, or noticeable
Example
The report highlighted the salient points of the discussion.
报告突出讨论中的重点。
C1 adjective /ˈsɔːrdɪd/

sordid

可耻的
Meaning
involving immoral or dishonorable actions; dirty or unpleasant
Example
The newspaper exposed the politician's sordid past.
报纸曝光了那位政治家的可耻过去。
B1 noun /ˈstʌmək eɪk/

stomach ache

胃痛
Meaning
Pain in the stomach or abdominal area
Example
I have a stomach ache after eating too much.
我吃得太多后感到胃痛。
C1 adjective /ˈʃeɪm.ləs/

Shameless

无耻的
Meaning
having no shame; bold and rude; impudent
Example
The shameless politician refused to apologize for his mistakes.
那个无耻的政治家拒绝为他的错误道歉。
C1 verb /stoʊk/

stoke

Meaning
To add fuel to a fire; to encourage or increase a strong feeling or activity.
Example
The politician’s speech stoked anger among the crowd.
A1 adjective /stɪl/

still

静止
Meaning
not moving or making a sound
Example
The water was still, reflecting the sky.
水面静止，反射着天空。
B1 noun /ˈsiː.hɔːrs/

Sea-horse

海马
Meaning
a small marine fish with segmented bony armor, an upright posture, and a curled prehensile tail
Example
The seahorse gracefully floated among the coral reefs.
海马在珊瑚礁间优雅地漂浮。
B2 adjective, verb (past) /səˈspɛndɪd/

suspended

暂停
Meaning
Temporarily not allowed, stopped, or hanging.
Example
He was suspended from school for a week.
他因为一周被暂停上学。
A1 verb /spik/

speak

说
Meaning
to say words; to communicate verbally
Example
She can speak three languages fluently.
她能流利地说三种语言。
C1 noun /ˈstænzə/

stanza

诗节
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
这首诗以一节描述自然的诗句开始。
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.
B2 noun /spekˈteɪtər/

Spectator

观众
Meaning
a person who watches at a show, game, or other event; an observer
Example
The stadium was filled with excited spectators.
体育场坐满了兴奋的观众。
B1 adjective /sɪˈlek.tɪd/

selected

选定的
Meaning
carefully chosen from a group for a particular purpose
Example
He was one of the selected candidates for the scholarship.
他是获得奖学金的选定候选人之一。
B2 noun /ˈsʌm.ɪt/

summit

高峰会议
Meaning
A high-level meeting between leaders, especially of governments; a conference.
Example
The summit addressed pressing global issues.
高峰会议讨论了紧迫的全球问题。
C1 verb /smɜrk/

smirk

得意的微笑
Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
他在赢得争论时得意地笑了。
C1 adjective /sɪmˈplɪstɪk/

simplistic

过于简化的
Meaning
treating complex issues as if they were much simpler than they really are
Example
His explanation was too simplistic and ignored key details.
他的解释过于简化，忽略了关键的细节。
B1 verb /stɛə/

stare

盯着
Meaning
to look at something with a fixed gaze
Example
She stared at the painting for hours.
她盯着画看了几个小时。
C1 adjective /ˈskeɪ.li/

Scaly

鳞片状的
Meaning
covered with scales; having a rough surface like scales
Example
The fish has scaly skin.
那条鱼有鳞片的皮肤。
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。
B2 verb /slæp/

slap

掌掴
Meaning
to hit someone quickly with the flat part of the hand; to strike sharply
Example
She was so angry that she slapped him across the face.
她生气得打了他的脸。
B2 adjective ˈstrʌktʃərd

structured

结构化
Meaning
Having a clear organization or framework; systematically arranged.
Example
A structured execution plan is crucial for success.
一个结构化的执行计划对于成功至关重要。
C1 noun /slɪt/

Slit

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

sweltering

酷热
Meaning
uncomfortably hot
Example
The sweltering heat made it hard to work.
酷热的天气让工作变得困难。
C1 noun /ˈslændər/

Slander

诽谤
Meaning
the action of making false spoken statements damaging to someone's reputation
Example
The politician sued the newspaper for slander.
政治家因诽谤起诉了报纸。
B2 adjective /ˈskɛptɪkəl/

skeptical

怀疑的
Meaning
not easily convinced; having doubts or reservations
Example
She was skeptical about the new plan.
她对新计划持怀疑态度。
C1 /ʃrɛd/

shred

撕裂
Meaning
to tear or cut something into small pieces
Example
She shredded the old documents before throwing them away.
她在扔掉之前把旧文件撕成了碎片。
C1 adjective /ˈstrætɪfaɪd/

stratified

Meaning
arranged or classified in layers or strata
Example
Society in the past was highly stratified based on class and wealth.
B2 noun /ˈskɔːr.pi.ən/

Scorpion

蝎子
Meaning
a small creature with eight legs, two claws, and a curved tail with a poisonous sting
Example
The scorpion hid under the rock during the day.
蝎子在白天藏在石头下。
C1 verb /ˈʃɪmər/

shimmer

闪烁
Meaning
To shine with a soft, wavering light.
Example
The lake shimmered under the moonlight.
湖泊在月光下闪烁。
B2 noun /skrɪpt/

script

剧本
Meaning
The written text of a play, film, or broadcast; handwriting style.
Example
The actor memorized his lines from the script.
演员从剧本中背诵了台词。
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。
C1 verb/noun /skaʊl/

scowl

皱眉
Meaning
To frown in an angry or bad-tempered way.
Example
She scowled when she heard the unfair remark.
她听到不公正的评论时，皱起了眉头。
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。
B2 adjective /ˈsɪnɪstər/

sinister

邪恶的
Meaning
Giving the impression that something harmful or evil is happening or will happen.
Example
The abandoned house had a sinister atmosphere.
那座废弃的房子有着邪恶的氛围。
C1 adjective /ˈstæɡ.nənt/

Stagnant

停滯的; 靜止的; 無發展的
Meaning
not moving or flowing; showing no activity or development
Example
The stagnant water in the pond was covered with algae.
池塘裡的停滯水被藻類覆蓋。
B2 noun/verb /swɔːrm/

swarm

蜂群
Meaning
A large group of insects or people moving together.
Example
A swarm of bees surrounded the tree.
一群蜜蜂围绕着树。
B2 adverb /ˈsɒftli/

softly

轻声或平静地
Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
她轻声说话以免吵醒宝宝。
B1 adjective /ˈskɪlfʊl/

Skilful

熟练的; 能手; 专家
Meaning
having or showing skill; expert and accomplished
Example
The skilful surgeon performed the operation with great precision.
熟练的外科医生以极高的精确度完成了手术。
C1 adverb spɒnˈteɪnɪəsli

spontaneously

自发地
Meaning
In a spontaneous way; naturally and without planning or external cause.
Example
Children learn spontaneously through peer interactions.
孩子们通过与同龄人的互动，自发地学习。
B2 noun /səˈspɛnʃən/

suspension

停赛
Meaning
The act of temporarily stopping something; also refers to a system in vehicles that absorbs shock.
Example
The player received a three-game suspension for misconduct.
该球员因不当行为被禁赛三场。
C1 adjective /ˈsliːzi/

sleazy

低级的, 肮脏的, 或质量差的
Meaning
morally low, dirty, or cheap in quality
Example
He avoided the sleazy nightclub downtown.
他避免了市中心的低级夜店。
B2 verb /skoʊld/

scold

责骂
Meaning
to criticize angrily; to rebuke
Example
The teacher scolded the students for being late.
老师因为学生迟到而责骂他们。
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。
C1 noun/verb /smʌdʒ/

smudge

污点，脏污的印记
Meaning
a dirty mark or smear; to make something dirty or unclear by rubbing or touching
Example
She accidentally smudged her lipstick on the napkin.
她不小心把口红弄到餐巾纸上了。
B1 verb /skriːm/

scream

尖叫
Meaning
to make a loud, high-pitched sound, usually because of fear, pain, or excitement
Example
She screamed when she saw the spider.
她看到蜘蛛时尖叫了。
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 /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 /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。
C1 verb /ˈswɛltər/

swelter

因高温而痛苦
Meaning
to suffer from intense heat
Example
We began to swelter in the midday sun.
我们开始在中午的阳光下忍受酷热。
C1 verb /skwɪnt/

squint

眯眼看
Meaning
to look with partly closed eyes
Example
She squinted at the bright sunlight.
她因强烈的阳光而眯着眼睛。
C1 verb /ˈʃrɪvəl/

shrivel

枯萎
Meaning
To become dry, wrinkled, and smaller due to lack of moisture.
Example
The flowers shriveled under the hot sun.
花朵在烈日下枯萎。
A2 noun /ˈstʌmək/

Stomach

胃
Meaning
the organ in the body where food is digested; the belly or abdomen
Example
My stomach hurts after eating too much.
吃太多后我的胃痛。
B2 adjective /slɪk/

slick

光滑的
Meaning
Smooth, clever, or efficient, often in a way that seems superficial.
Example
He gave a slick presentation to impress the investors.
他做了一个光滑的演示，以打动投资者。
C1 noun /ˈsɜːrmən/

sermon

讲道
Meaning
A religious discourse delivered by a preacher, often offering moral instruction or spiritual guidance.
Example
The pastor gave a moving sermon about compassion and forgiveness.
牧师做了一个关于同情和宽恕的感人讲道。
A1 adjective /smɔːl/

Small

小的; 限制的; 狭窄的
Meaning
little in size; not large; limited in extent or amount
Example
She lives in a small apartment near the university.
她住在大学附近的一间小公寓里。
C1 adjective səˈblaɪm

sublime

崇高的, 壮丽的, 庄严的
Meaning
Of such excellence, grandeur, or beauty as to inspire great admiration or awe.
Example
The sublime beauty of the mountain landscape took my breath away.
那座山脉的崇高美景让我屏住了呼吸。
C1 adjective /ˈsɛn.sər.i/

sensory

感官的
Meaning
Related to the five human senses (sight, hearing, taste, touch, smell).
Example
Sensory feedback enhances the VR experience.
感官反馈增强了虚拟现实体验。
A2 adjective /ˈspænɪʃ/

spanish

西班牙语
Meaning
relating to Spain or the Spanish language
Example
She is fluent in Spanish and French.
她能流利地讲西班牙语和法语。
B2 verb /soʊ/

sow

播种
Meaning
to plant seeds in the ground; to scatter seeds for growing
Example
The farmer will sow wheat seeds in the field tomorrow.
农民明天将在田地里播种小麦种子。
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。
C1 noun /sɪˈnɒpsɪs/

synopsis

概述
Meaning
a brief summary of the main points of a text, film, or research
Example
The publisher asked the author to submit a one-page synopsis of the novel.
出版商要求作者提交小说的单页概述。
A1 adverb /suːn/

Soon

很快
Meaning
in a short time; before long; quickly
Example
The train will arrive soon.
火车很快就到。
B1 noun/adjective /ˈstændɪŋ/

standing

地位 / 声誉
Meaning
status, reputation, or position; also the act of being upright on the feet
Example
He has high standing in the community for his charity work.
由于他的慈善工作，他在社区中有很高的声誉。
A2 adjective /ˈsəʊʃəl/

social

社交
Meaning
relating to society or its organization
Example
She has a very social personality and enjoys meeting new people.
她有一个非常社交的个性，喜欢与新朋友见面。
C1 adjective /stiːpt/

steeped

浸透
Meaning
Completely surrounded by or filled with a particular quality, influence, or experience.
Example
The town is steeped in history and tradition.
这座城市充满了历史和传统。
C1 noun /ˈstɒpɪdʒ/

stoppage

停顿; 停止
Meaning
The act of stopping or ceasing; a halt in operation or activity
Example
The sudden stoppage of the train caused delays for all passengers.
火车的突然停运导致所有乘客延误。
C1 verb /səbˈvɜːrt/

subvert

Meaning
to undermine or overthrow an established system, authority, or institution
Example
The rebels tried to subvert the government.
B2 noun ˈsæt.əl.aɪt

satellite

卫星
Meaning
An artificial object which has been intentionally placed into orbit around a celestial body.
Example
Satellites provide critical data for research.
卫星为研究提供了重要的数据。
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。
B1 noun /ˈsɛkʃən/

section

部分
Meaning
a distinct part or subdivision of something larger
Example
This section of the report needs further review.
报告的这一部分需要进一步审查。
C1 adjective /ˈsted.fæst/

Steadfast

坚定; 坚决; 不动摇
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
她在帮助穷人方面保持坚定的决心。
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 /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。
B2 verb, noun, adjective /streɪ/

stray

迷路
Meaning
to move away from the correct path or go off course; a person or animal that has wandered off; something that is not where it belongs
Example
The dog strayed from the yard and got lost.
那只狗离开了院子，迷路了。
B2 adjective /ˈʃæl.oʊ/

Shallow

浅薄; 不深; 缺乏深入知识
Meaning
not deep; superficial; lacking depth of knowledge
Example
The shallow water is perfect for children to play.
浅水适合孩子们玩耍。
C1 verb /skrɔːl/

scrawl

匆忙地写
Meaning
to write or draw something quickly and carelessly, making it hard to read
Example
He scrawled his signature at the bottom of the page.
他在页面底部匆忙签上了自己的名字。
B1 noun /striːm/

stream

溪流
Meaning
A small, narrow river; a continuous flow of something.
Example
The stream of life is unstoppable.
生命的流动是无法阻挡的。
B1 verb /slɪp/

slip

滑倒
Meaning
to lose balance or fall while moving, or to accidentally slide from a position
Example
She slipped on the wet floor and fell.
她在湿滑的地板上滑倒了。
C1 verb /skɪmp/

skimp

节省
Meaning
to use less of something than is necessary in order to save money or effort
Example
Don’t skimp on quality when buying a new laptop.
购买新笔记本时不要节省质量。
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。
C1 noun ˈsɛlf pəˈzɪʃən

self-possession

自控力
Meaning
The quality of being calm and confident and in control of one's emotions; composure.
Example
His self-possession during the crisis was remarkable.
他在危机中的自控力令人钦佩。
C1 verb /sɪˈdjuːs/

seduce

Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
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.
A2 noun /stɛps/

steps

步骤
Meaning
A measure or action, especially one of a series taken in order to deal with or achieve a particular thing.
Example
Taking small steps reduces overwhelm.
采取小步骤减少了过度压力。
B2 verb /sniːk/

sneak

Meaning
to move quietly and secretly to avoid being noticed
Example
He tried to sneak into the house without waking anyone.
B2 noun/verb /skræp/

scrap

碎片 / 丢弃
Meaning
A small piece of something; to discard or get rid of something.
Example
He used a scrap of paper to jot down the number.
他用一小片纸写下了那个号码。
C1 adjective /ˌsʌb.təˈreɪ.ni.ən/

subterranean

地下
Meaning
Existing, occurring, or done under the earth's surface.
Example
Subterranean water sources help sustain agriculture.
地下水源有助于维持农业。
C1 noun/verb /stæmˈpiːd/

stampede

混乱的人群
Meaning
A sudden, uncontrolled rush of people or animals; to cause a mass movement.
Example
The loud noise caused a stampede of the crowd.
嘈杂的声音引起了人群中的一阵奔跑。
B2 verb /sʌk/

suck

吸
Meaning
to draw something into the mouth by using the lips and tongue
Example
The baby began to suck her thumb.
婴儿开始吸吮她的拇指。
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。
B2 noun /ˈsikwəl/

Sequel

续集
Meaning
a published, broadcast, or recorded work that continues the story or develops the theme of an earlier one; something that takes place after or as a result of an earlier event
Example
The movie sequel was even more successful than the original.
这部电影的续集比原作更成功。
C1 noun /stɪˈlɛtoʊ/

stiletto

细高跟鞋 / 匕首
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
她穿着优雅的细高跟鞋去参加派对。
B1 noun /ˈswɛtʃɜːrt/

sweatshirt

运动衫
Meaning
A casual, long-sleeved pullover garment, typically made of cotton or fleece, worn for warmth or comfort.
Example
He wore a grey sweatshirt while jogging in the park.
他在公园慢跑时穿着灰色的斯威特衫。
C1 adjective /ˈspɪndli/

spindly

细长而脆弱
Meaning
Long, thin, and weak-looking
Example
The spindly tree bent under the weight of the snow.
细长的树在雪的重量下弯曲。
B2 noun /ˈsɪnənɪm/

Synonym

同义词
Meaning
a word or phrase that means exactly or nearly the same as another word or phrase in the same language
Example
Happy and joyful are synonyms.
幸福和快乐是同义词。
B1 noun /ˈsɛt ʌp/

set-up

设置
Meaning
The arrangement or organization of something; a planned structure or scheme
Example
The company presented a new set-up for the office layout.
公司为办公室布局提出了一个新的设定。