substantiate
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C1 verb /səbˈstænʃieɪt/

substantiate

证实
Meaning
To provide evidence to support or prove the truth of something.
Example
The lawyer worked to substantiate the claims with solid evidence.
律师努力通过确凿证据来证实这些主张。
B2 noun sɔɪl ɪˈrəʊʒən

soil erosion

土壤侵蚀
Meaning
The wearing away of topsoil by water, wind, or other natural forces.
Example
Soil erosion can lead to the loss of fertile land.
土壤侵蚀可能导致肥沃土地的流失。
B2 adjective ˈsɑːləm

solemn

庄严
Meaning
Formal and dignified; characterized by deep sincerity.
Example
The day begins with a solemn ceremony at the memorial.
这一天从纪念馆的庄重仪式开始。
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。
C1 noun /ˌsəʊʃəˈbɪləti/

sociability

社交性
Meaning
The quality or state of being sociable; friendliness.
Example
Her sociability made her popular in the office.
她的社交性使她在办公室中非常受欢迎。
C1 noun /stents/

stents

支架
Meaning
Small mesh tubes used to treat narrow or blocked arteries.
Example
Stents were successfully placed using robotic techniques.
支架通过机器人技术成功放置。
C1 adjective /ˈsaʊnd.pruːf/

Sound-proof

隔音的; 防止声音进出
Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
录音室有隔音墙。
A1 verb /ʃoʊ/

show

展示
Meaning
to display or present something to others; to make visible
Example
Can you show me the way to the station?
你能告诉我去车站的路吗？
A2 noun /ˈsuː.pəˌmɑː.kɪt/

supermarket

超市
Meaning
a large self-service store selling food and household goods
Example
She went to the supermarket to buy groceries.
她去超市买杂货。
B2 noun /ˈsɪblɪŋ/

sibling

兄弟姐妹
Meaning
A brother or sister.
Example
She has three siblings, two brothers and one sister.
她有三个兄弟姐妹，两个兄弟和一个妹妹。
C1 verb /ˈskruː.tɪ.naɪz/

scrutinize

仔细检查或检查
Meaning
Examine or inspect closely and thoroughly.
Example
The scientist scrutinized the data before publishing his findings.
科学家在发布他的发现之前仔细检查了数据。
C1 /splɪnt/

splint

夹板
Meaning
A rigid device used to support and immobilize a broken or injured body part.
Example
The doctor applied a splint to stabilize the patient's broken arm.
医生为病人的断臂稳定应用了夹板。
C1 verb /snɪp/

snip

剪切
Meaning
to cut something quickly with scissors or a sharp tool
Example
She snipped the loose thread from her dress.
她剪下了裙子上松散的线。
B1 noun /ˈsʌn.flaʊər/

Sun flower

向日葵
Meaning
a large yellow flower that turns to face the sun
Example
The sunflower field looked amazing in the bright sunlight.
向日葵田在明亮的阳光下看起来很美。
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。
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。
A2 adjective /sər'praɪz.ɪŋ/

Surprising

令人惊讶的; 出人意料的
Meaning
causing surprise; unexpected; remarkable
Example
It's surprising how quickly children learn new languages.
令人惊讶的是，孩子们学新语言的速度有多快。
C1 adjective /ˈstʌm.pi/

Stumpy

矮胖
Meaning
short and thick; having a short, thick appearance
Example
The stumpy little dog wagged its tail enthusiastically.
那只矮胖的小狗兴奋地摇着尾巴。
B2 verb /skreɪp/

scrape

擦, 刮
Meaning
to remove or damage the surface of something by rubbing or scratching; to collect something by effort
Example
He scraped his knee while playing football.
他在踢足球时擦伤了膝盖。
B1 verb /stretʃ/

stretch

拉伸
Meaning
to extend or expand; to make or become longer or wider
Example
Athletes stretch their muscles before exercising.
运动员在锻炼前拉伸他们的肌肉。
B1 adverb /ˈsekəndli/

secondly

其次
Meaning
Used to introduce the second point in a list of arguments or ideas.
Example
Firstly, we need funding; secondly, we need a strong team.
首先，我们需要资金；其次，我们需要一支强大的团队。
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。
B2 noun /sloʊp/

Slope

坡; 倾斜的地面
Meaning
an inclined surface; a piece of ground that is not level
Example
We walked up the steep slope of the mountain.
我们走上了陡峭的山坡。
C1 adjective /ˈskrɔːni/

scrawny

瘦弱
Meaning
very thin and bony, often looking unhealthy
Example
The scrawny boy could barely lift the heavy bag.
那个瘦弱的男孩几乎无法提起沉重的包。
C1 adjective /ˈsɒmbər/

somber

阴沉
Meaning
Dark or dull in color or tone; gloomy or serious.
Example
The funeral had a somber atmosphere.
葬礼有一种阴沉的气氛。
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 noun /ˈswiːt.miːt/

Sweetmeat

甜点
Meaning
a small piece of confectionery or candy; a sweet delicacy
Example
The children enjoyed the traditional sweetmeats during the festival.
孩子们在节日期间享受了传统的甜点。
A2 noun /ˈʃaʊər/

shower

Meaning
a brief fall of rain or snow or a device for taking a bath or washing oneself
Example
After the workout, I took a quick shower to refresh myself.
B1 noun /ˈsʌn.set/

Sunset

日落
Meaning
the time in the evening when the sun disappears below the horizon
Example
The romantic sunset painted the sky in golden colors.
浪漫的日落把天空涂上金色。
C2 noun /səbˈmɜːrʒən/

submersion

沉没
Meaning
the state of being under water
Example
The submersion of the fields lasted for several days after the heavy rain.
在大雨之后，田地的沉没持续了几天。
B1 noun /ˈsæm.pəl/

Sample

样本
Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
医生取了一个血液样本进行测试。
B2 verb səˈpres

suppress

压制
Meaning
To forcibly put an end to; to restrain or subdue.
Example
Authorities must suppress criminal activities in campuses.
当局必须压制校园中的犯罪活动。
B2 adverb /ˈsiː.mɪŋ.li/

seemingly

表面上, 看起来平静
Meaning
appearing to be true, but not necessarily so
Example
He was seemingly calm despite the chaos around him.
尽管周围一片混乱，他看起来平静。
B1 verb /spaɪ/

spy

间谍
Meaning
to secretly collect information about a person, group, or country
Example
He was caught spying on his neighbor through the window.
他在窗户旁边偷偷地监视邻居时被抓住了。
B1 noun /ˈsɜːvənt/

servant

仆人
Meaning
a person who performs duties for others, especially in a household
Example
The servant opened the door for the guests.
仆人为客人开门。
A2 adverb /ˈsʌd.ən.li/

Suddenly

突然
Meaning
quickly and without warning; unexpectedly
Example
The car suddenly stopped in the middle of the road.
车子突然停在了路中间。
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。
B2 noun /ˈskaɪˌskreɪpər/

Skyscraper

摩天大楼
Meaning
a very tall building of many stories
Example
The new skyscraper dominates the city's skyline.
这座新的摩天大楼主导着城市的天际线。
C1 adjective /ˈsɪm.jʊ.leɪ.tɪd/

simulated

模拟的
Meaning
Artificially created to look real but not actually real.
Example
The pilot trained in a simulated flight environment.
飞行员在模拟的飞行环境中训练。
B2 noun /soʊl/

Sole

脚底; 鞋底
Meaning
the bottom part of the foot; the bottom part of a shoe
Example
I have a blister on the sole of my foot.
我的脚底有个水泡。
A1 noun /ˈstɔːri/

story

故事
Meaning
a narrative of real or imaginary events
Example
She told a fascinating story about her travels.
她讲述了一个关于旅行的迷人故事。
B2 adjective /ˈstʌdid/

studied

深思熟虑
Meaning
carefully considered, deliberate, or planned
Example
Her response was calm and studied, not impulsive.
她的回答冷静而深思熟虑，非冲动。
C1 noun /ˌsəʊ.ʃi.əʊˈek.ə.nɒm.ɪk ˈprɒɡ.res/

socioeconomic progress

社会经济进步
Meaning
Advancement in both social and economic conditions of a society or community.
Example
Socioeconomic progress uplifts marginalized communities.
社会经济进步提升了边缘化社区。
C1 verb /ˈsɪnɚdʒaɪzd/

synergized

协同, 协调, 合作
Meaning
Combine in such a way that the total effect is greater than the sum of the individual effects.
Example
The teams were synergized to maximize productivity.
团队被协同工作以最大化生产力。
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。
B2 adjective /stɜːrn/

Stern

严格的；严厉的
Meaning
serious and demanding exact conformity to rules; strict and severe
Example
The teacher gave the students a stern warning about cheating.
老师给学生们关于作弊的严厉警告。
C2 noun /ˈsɪlədʒɪzəm/

syllogism

三段论
Meaning
A form of reasoning in which a conclusion is drawn from two given or assumed premises.
Example
The philosopher explained the concept of syllogism using simple examples.
哲学家用简单的例子解释了三段论的概念。
A1 noun /sɔːŋ/

song

歌曲
Meaning
a short piece of music with words that are sung
Example
She sang a beautiful song at the concert.
她在音乐会上唱了一首美丽的歌曲。
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。
C1 verb /ˈskʌr.i/

scurry

快速跑
Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
老鼠在灯光打开时快速穿过厨房的地板。
B2 verb /swer/

swear

发誓
Meaning
to use offensive language; to promise solemnly; to take an oath
Example
I swear to tell the truth.
我发誓说真话。
B1 noun /ʃel/

Shell

壳
Meaning
hard outer covering of an animal; explosive projectile for a gun
Example
The artillery fired a shell at the enemy position.
炮兵向敌方阵地发射了一个炮弹。
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 /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 /sɪnˈtɪl.ə/

scintilla

小小的火花
Meaning
A tiny trace or spark of a specified quality or feeling.
Example
There wasn’t a scintilla of doubt in her mind.
她的脑海中没有一丝疑虑。
C1 noun /ˈsɪləbəl/

syllable

音节
Meaning
A unit of pronunciation having one vowel sound, with or without surrounding consonants, forming the whole or part of a word.
Example
The word 'computer' has three syllables.
‘计算机’这个词有三个音节。
C1 noun /ˈsɒlstɪs/

solstice

至点
Meaning
the two times in the year when the sun is at its greatest distance from the equator (summer and winter solstice)
Example
People celebrate the summer solstice with festivals and rituals.
人们通过节日和仪式庆祝夏至。
C1 adjective /ˈsɛnʃənt/

sentient

有感觉的
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
人类是能够推理的感知生命。
B2 noun ˈsɛv.ən ˈwʌn.dərz

Seven Wonders

世界七大奇迹
Meaning
The seven most remarkable and famous structures in the world, representing architectural feats and cultural significance.
Example
The Seven Wonders of the world reflect human brilliance.
世界七大奇迹反映了人类的辉煌。
B2 noun ˈskruːtɪni

scrutiny

详细审查
Meaning
Critical observation or examination
Example
The new law is under scrutiny by the legislative body.
新法律正在立法机关的详细审查中。
A1 noun /skaɪ/

Sky

天空
Meaning
the region of the atmosphere and outer space seen from the earth
Example
The sky is blue today.
今天的天空是蓝色的。
B1 noun sɪˈlek.ʃən

selection

选择
Meaning
The action or fact of carefully choosing someone or something as being the best or most suitable.
Example
The selection process is based on merit.
选择过程基于优点。
C1 adjective /ˈsaɪt.ləs/

Sightless

盲目; 无视力
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
盲人带着他的导盲犬穿过街道。
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。
C1 adjective /səbˈmɪs.ɪv/

Submissive

顺从; 听话; 顺从的
Meaning
ready to obey others; yielding to authority; humble and compliant
Example
She became submissive after years of harsh treatment.
她在多年的严厉对待后变得顺从。
B1 adverb /ˈsædli/

sadly

悲伤地
Meaning
in a sorrowful or unhappy manner
Example
She sadly waved goodbye as the train departed.
火车开走时，她悲伤地挥手告别。
A2 adjective /swiːt/

Sweet

甜的; 亲切的; 迷人的
Meaning
having a pleasant taste; kind and gentle; pleasing
Example
She has a sweet voice that everyone loves to hear.
她有一个甜美的声音，人人都喜欢听。
A1 adjective /ˈspɛʃəl/

special

特别
Meaning
different from what is usual; better or greater than normal
Example
This gift is very special to me.
这份礼物对我来说非常特别。
B2 adjective /ˌsuː.pəˈnætʃ.ər.əl/

Supernatural

超自然的
Meaning
relating to things that cannot be explained by natural or scientific laws; beyond the normal or physical world
Example
The old house was said to have supernatural powers.
据说那座老房子具有超自然的力量。
C1 noun /ˈskaʊndrəl/

scoundrel

无赖
Meaning
a dishonest or unscrupulous person; a villain
Example
That scoundrel cheated the old man out of his savings.
那个无赖骗取了老人家的积蓄。
A2 adjective /sɪksθ/

sixth

第六
Meaning
coming after the fifth in order, position, or rank
Example
He finished the race in sixth place.
他在比赛中获得了第六名。
B2 noun səˌsteɪ.nəˈbɪl.ɪ.ti

sustainability

可持续性
Meaning
The ability to be maintained at a certain rate or level; the avoidance of the depletion of natural resources in order to maintain ecological balance.
Example
Sustainability ensures long-term environmental health.
可持续性确保长期环境健康。
A2 noun /ˈstændərd/

standard

Meaning
a level of quality or achievement, or a measure of comparison
Example
This car meets all the safety standards.
B2 adjective /senˈseɪʃənəl/

Sensational

震撼的; 极其印象深刻的
Meaning
causing great excitement or shock; extremely impressive
Example
The sensational performance left the audience speechless.
这场震撼的表演让观众哑口无言。
B1 adverb /ˈspeʃ.əl.i/

Specially

特别
Meaning
for a particular purpose; especially; specifically
Example
This gift was specially made for you.
这个礼物是特别为你做的。
B2 verb ˈsiːlɪŋ

sealing

封闭，密封
Meaning
The action of closing or blocking something to prevent entry or escape.
Example
Sealing cracks in the walls can prevent pests from entering.
密封墙壁上的裂缝可以防止害虫进入。
C1 noun /skɪt/

skit

小品
Meaning
a short, humorous performance or piece of writing
Example
The students performed a funny skit at the event.
学生们在活动中表演了一个有趣的小品。
A2 adjective /ˈsɪŋɡəl/

single

Meaning
only one; not one of several
Example
She bought a single ticket for the concert.
B1 adjective /ʃɛrd/

shared

共享
Meaning
used, done, or experienced by two or more people together
Example
They live in a shared apartment near the university.
他们住在大学附近的一间共享公寓里。
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。
A2 noun /ˈsiːkrət/

secret

Meaning
something that is kept or meant to be kept unknown or unseen by others
Example
He told me a secret about his childhood.
C1 adjective /səbˈvɜːrsɪv/

subversive

颠覆性的
Meaning
seeking or intended to undermine or overthrow an established system or authority
Example
The group was banned for its subversive activities.
该团体因其颠覆性活动而被禁止。
C1 noun /ˈsɪməli/

simile

明喻
Meaning
A figure of speech involving the comparison of one thing with another using 'like' or 'as'.
Example
She used a simile to describe her eyes as bright as stars.
她用明喻来描述她的眼睛像星星一样明亮。
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.
C1 verb /ˈskævɪndʒ/

scavenge

在垃圾中寻找
Meaning
to search through waste or discarded material to find useful items
Example
The children scavenged for food in the garbage dump.
孩子们在垃圾堆里找食物。
A2 noun /streŋθ/

Strength

力量; 力气; 体力
Meaning
the quality or state of being physically strong; power or force
Example
Regular exercise helps build muscle strength.
规律的锻炼有助于增强肌肉力量。
C2 adjective /səˈpʌlkrəl/

sepulchral

与墓葬相关，阴森的
Meaning
Relating to a tomb or burial; gloomy, dismal.
Example
The abandoned house had a sepulchral silence about it.
废弃的房子弥漫着墓葬般的寂静。
C1 noun /ˈʃrɪŋkɪdʒ/

shrinkage

收缩
Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
公司报告了本季度利润的收缩。
A1 noun /ˈʃʊɡər/

Sugar

糖
Meaning
sweet crystalline substance used as a sweetener
Example
Please add two teaspoons of sugar to my coffee.
请在我的咖啡里加两茶匙糖。
C1 verb /ˈstaɪfəld/

stifled

压制
Meaning
to suppress, hold back, or prevent something from happening
Example
He stifled a laugh during the serious meeting.
他在严肃的会议中压制了笑声。
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。
A2 adjective /ˈsɪli/

Silly

傻; 愚蠢
Meaning
foolish; lacking good sense or judgement
Example
Don't be silly, of course you can do it!
别傻了，当然你可以做到！
C1 noun /sɔːd fɪʃ/

Sword fish

剑鱼
Meaning
A large marine fish with an elongated bill resembling a sword
Example
The swordfish can swim at speeds up to 60 mph.
剑鱼的游泳速度可达每小时60英里。
C2 noun /ˈsɒfɪzəm/

sophism

诡辩
Meaning
a clever but misleading argument; fallacious reasoning
Example
The politician's speech was full of sophism designed to mislead voters.
政治家的演讲充满了旨在误导选民的诡辩。
B2 adverb ˌsɪməlˈteɪnɪəsli

simultaneously

同时
Meaning
At the same time; occurring or existing at the same time.
Example
He worked on two projects simultaneously.
他同时在做两个项目。
C1 adjective /ˈstoʊɪk/

stoic

冷静的, 无动于衷的
Meaning
Showing little or no emotion, even in difficult situations.
Example
She remained stoic during the crisis, never showing fear or panic.
她在危机中保持冷静，毫无恐惧或恐慌。
C1 verb, noun /spraʊt/

sprout

发芽
Meaning
to begin to grow; to produce new leaves or shoots
Example
The seeds began to sprout after a few days of rain.
种子在几天的雨后开始发芽。
B2 verb /ʃɛd/

shed

掉落
Meaning
to let something fall off naturally, such as leaves, hair, or tears
Example
Trees shed their leaves in autumn.
树木在秋天落叶。
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 verb /spɛər/

spare

额外给予 / 节省
Meaning
To give something that one has extra of; to refrain from harming or killing.
Example
Could you spare me a few minutes of your time?
你能给我一些你的时间吗？
B2 noun /ˌsoʊsiˈɑːlədʒi/

sociology

社会学
Meaning
the study of society, human relationships, and social institutions
Example
She is studying sociology at university.
她在大学学习社会学。
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。
C1 adjective /swɑːv/

suave

迷人且优雅
Meaning
charming, confident, and elegant, often in a smooth or polished way
Example
He was a suave gentleman who impressed everyone at the party.
他是一个优雅的绅士，在派对上给大家留下了深刻的印象。
B2 adjective /ˈstɑːrtəld/

startled

吃惊
Meaning
suddenly shocked or surprised by something unexpected
Example
She was startled by the loud noise outside.
她因外面的巨大声音而感到吃惊。
B2 adjective /ˈskeptɪkəl/

Sceptical

怀疑的; 不信任的; 对某事的真相持怀疑态度
Meaning
having doubts; not easily convinced; questioning the truth of something
Example
Many scientists remain sceptical about the new theory.
许多科学家对新理论持怀疑态度。
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。
B2 noun ˈʃeɪdɪd ˈɛəriə

shaded area

遮阳区
Meaning
An area that is protected from direct sunlight.
Example
We sat in a shaded area by the riverbank.
我们坐在河岸的遮阳区。
C1 verb /ˈstɪp.jʊ.leɪt/

stipulate

规定
Meaning
to demand or specify a condition in an agreement or contract
Example
The contract stipulates that payment must be made within 30 days.
合同规定付款必须在30天内完成。
B2 noun /səˈraʊn.dɪŋz/

surroundings

周围环境
Meaning
The area around a person, place, or thing.
Example
She quickly adapted to her new surroundings.
她迅速适应了她的新环境。
C1 noun /ˈsteɪl.meɪt/

stalemate

僵局
Meaning
A situation in which no progress can be made or no party can win.
Example
Negotiations ended in a stalemate.
谈判陷入了僵局。
C1 noun /ˈsɔːjər/

Sawyer

锯木工
Meaning
a person who saws wood, especially as an occupation
Example
The skilled sawyer cut the logs into planks.
熟练的锯木工将原木锯成木板。
B2 noun /ˈsæŋk.tʃuˌɛr.i/

sanctuary

庇护所
Meaning
A place of safety, refuge, or protection; a sacred place.
Example
The forest is a sanctuary for endangered animals.
森林是濒危动物的庇护所。
C1 verb /ˈstɪɡmətaɪz/

stigmatize

污名化
Meaning
to describe or regard someone as worthy of disgrace or disapproval
Example
People with certain illnesses are often unfairly stigmatized.
患有某些疾病的人常常被不公正地污名化。
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。
B1 noun sɪˈkjʊə.rɪ.ti

security

安全
Meaning
The state of being free from danger, threat, or loss.
Example
Food security is essential for human survival.
食品安全对人类生存至关重要。
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。
B2 noun /ˈsikwəns/

Sequence

序列
Meaning
a particular order in which related events, movements, or things follow each other; a set of related events, movements, or things that follow each other in a particular order
Example
The dance sequence was perfectly choreographed.
舞蹈序列被完美地编排。
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。
A1 noun /ˈsʌn.deɪ/

sunday

星期天
Meaning
The day of the week between Saturday and Monday; often considered a day of rest or worship.
Example
We usually relax at home on Sunday.
我们通常在星期天在家休息。
B1 noun, verb /strɪŋ/

string

线
Meaning
a thin piece of cord or thread; to tie or fasten with a string
Example
She tied the package with a string.
她用一根线绑了包裹。