sleeper
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B2 noun /ˈsliːpər/

sleeper

睡觉的人；意外成功的事物
Meaning
a person or thing that sleeps; something that unexpectedly succeeds
Example
The movie turned out to be a real sleeper hit.
这部电影竟然成为了意外的成功。
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。
B2 adjective /səbˈstæn.ʃəl/

Substantial

实质的; 相当的; 重要的
Meaning
large in size, amount, or importance; considerable; significant
Example
There was a substantial increase in sales this quarter.
本季度销售量有了显著增加。
C1 noun /ˌsɑːrdʒənt ˈmeɪdʒər/

sergeant-major

军士长
Meaning
A senior non-commissioned officer in the army responsible for discipline and administration within a unit.
Example
The sergeant-major inspected the troops before the parade.
军士长在游行前检查了部队。
B1 adjective /ˈsʌm.wʌt/

Somewhat

有点; 稍微; 适度
Meaning
to some extent; rather; moderately
Example
The movie was somewhat interesting but not great.
这部电影有点有趣，但不太棒。
A1 noun /speɪs/

space

空间
Meaning
The dimensions of height, depth, and width within which all things exist and move.
Example
Space exploration expands human knowledge.
太空探索扩展了人类的知识。
B2 noun /steɪn/

Stain

污点; 斑点
Meaning
a colored patch or dirty mark that is difficult to remove; a blemish or damage to reputation
Example
There was a coffee stain on his white shirt.
他的白衬衫上有咖啡渍。
C1 noun ˈstræt.ə.sfɪər

stratosphere

平流层
Meaning
The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.
Example
The stratosphere provides a unique environment.
平流层提供了一个独特的环境。
C1 noun /stɛlθ/

stealth

隐秘, 安静地移动
Meaning
The act of moving, doing, or achieving something quietly and secretly.
Example
The cat moved with stealth towards its prey.
猫悄悄地向它的猎物走去。
A2 noun /smɔːl boʊl/

Small bowl

小碗
Meaning
a round, shallow container of small size used for serving food or liquids
Example
She served the soup in a small bowl.
她把汤倒在一个小碗里。
B2 adjective /ˈsɜːdʒɪkəl/

surgical

与外科手术相关
Meaning
relating to or involving surgery
Example
She underwent surgical treatment to repair the damage.
她接受了外科治疗来修复损伤。
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。
A1 noun /ˈsændwɪtʃ/

sandwich

三明治
Meaning
two pieces of bread with food such as meat, cheese, or salad between them
Example
I made a chicken sandwich for lunch.
我做了一个鸡肉三明治作为午餐。
B2 adjective /sə'spɪʃ.əs/

Suspicious

可疑的；怀疑的
Meaning
having or showing distrust; doubtful; questionable
Example
The police found his behavior very suspicious.
警察发现他的行为非常可疑。
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。
B1 noun /ˈʃel.tər/

Shelter

避难所
Meaning
a place giving temporary protection from bad weather or danger
Example
The hikers found shelter in a cave during the heavy rain.
登山者在大雨中在山洞里找到了避难所。
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。
B2 verb /səˈluːt/

salute

敬礼
Meaning
to greet with respect; to honor
Example
The soldiers saluted their commanding officer.
士兵们向他们的指挥官敬礼。
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.
C1 noun /ˈskruːpəl/

scruple

顾忌
Meaning
A moral or ethical consideration that restrains actions.
Example
He had no scruples about lying to get ahead.
他在为了进步而撒谎时没有任何顾忌。
B2 noun /ˈstɑːrtər/

starter

开始某事的人或事物；一餐的第一道菜
Meaning
a person or thing that starts something; the first course of a meal
Example
The starter of the meal was a fresh salad.
餐前小吃是一份新鲜的沙拉。
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。
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 adjective /ˈsɛnʃuəl/

sensual

性感
Meaning
Relating to or involving gratification of the senses and physical pleasure.
Example
The painting had a sensual quality that captivated viewers.
这幅画有一种性感的质量，吸引了观众。
C1 adjective /ˈspraɪtli/

sprightly

活泼
Meaning
full of energy and life; lively
Example
The sprightly old man danced with joy at the wedding.
那位活泼的老人高兴地在婚礼上跳舞。
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。
B1 noun, verb /ˈseɪ.lɪŋ/

sailing

帆船运动
Meaning
The act of traveling in a boat or ship using sails; the sport or activity of navigating a boat with sails.
Example
We went sailing on the lake during the summer.
我们夏天在湖上去帆船运动。
A2 adjective /ʃaɪ/

Shy

害羞的; 腼腆的
Meaning
nervous or timid in the company of other people
Example
The shy student rarely spoke up in class discussions.
害羞的学生很少在课堂讨论中发言。
B2 adverb /ˈsɛp.ər.ət.li/

separately

分别地
Meaning
in a way that is apart or individually; not together
Example
They decided to travel separately to the conference.
他们决定分别前往会议。
A1 noun /stɑːr/

Star

星星
Meaning
a fixed luminous point in the night sky that produces light and heat through nuclear fusion
Example
Thousands of stars are visible in the clear night sky.
数千颗星星在清澈的夜空中可见。
B2 adverb /ˈsɛkʃuəli/

sexually

性行为
Meaning
in a way that relates to or involves sexual activity or feelings
Example
The film was considered too sexually explicit for young audiences.
这部电影被认为对年轻观众来说过于性行为露骨。
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。
B2 noun /skwɒd/

squad

小队
Meaning
a small group of people organized for a specific purpose or task, often in the military or sports
Example
The football squad trained hard before the championship match.
足球队在冠军赛前进行了艰苦训练。
B2 noun /ˈsuː.ɪ.saɪd/

Suicide

自杀
Meaning
the act of intentionally killing oneself
Example
Mental health professionals work to prevent suicide.
心理健康专家致力于预防自杀。
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。
C1 noun /ˈskælpəl/

scalpel

手术刀
Meaning
A small and extremely sharp bladed instrument used for surgery and dissection.
Example
The surgeon carefully used a scalpel to make the first incision.
外科医生小心地使用手术刀进行第一次切割。
A2 noun/verb /ˈsiːzən/

season

季节 / 调味
Meaning
One of the four periods of the year characterized by specific weather conditions; also, to add flavor to food.
Example
Spring is my favorite season of the year.
春天是我最喜欢的季节。
B2 noun /ˈsɛktər/

sector

行业
Meaning
a distinct part or area of an economy, society, or industry
Example
The technology sector is growing rapidly.
科技行业正在迅速发展。
B1 noun /ˈsaɪdˌwɔːk/

sidewalk

人行道
Meaning
a paved path for pedestrians at the side of a street.
Example
Children were playing on the sidewalk.
孩子们在路边的人行道上玩耍。
C1 noun /speɪt/

spate

浪潮
Meaning
a large number of things occurring in quick succession
Example
There has been a spate of robberies in the city.
在城市中发生了一系列盗窃事件。
B1 noun /ˌsæt.ɪsˈfæk.ʃən/

Satisfaction

满足
Meaning
fulfillment of one's wishes, expectations, or needs
Example
She felt great satisfaction after completing the project.
她在完成项目后感到极大的满足。
B2 adjective /ˈspeɪ.ʃəs/

Spacious

宽敞的；宽阔的
Meaning
having a lot of space; roomy and comfortable
Example
The house has a spacious living room with high ceilings.
这座房子有一个宽敞的客厅，高高的天花板。
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。
B2 adjective /ˈstʌnɪŋ/

stunning

令人惊叹
Meaning
extremely impressive or attractive
Example
The view from the top of the mountain was absolutely stunning.
从山顶看到的景色简直令人惊叹。
B2 adverb /ˈstɛdɪli/

steadily

稳定地
Meaning
in a regular and continuous way; without stopping or changing
Example
The company's profits have been increasing steadily.
公司的利润稳定增长。
B2 noun /stæns/

stance

立场
Meaning
a person's attitude, opinion, or position on an issue
Example
The company took a strong stance on environmental protection.
公司在环境保护问题上采取了强硬立场。
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。
A2 noun /sɜːr/

sir

先生
Meaning
a respectful or formal form of address used for a man, typically one of higher social status or authority
Example
Sir, may I assist you with your order?
先生，我可以帮您处理订单吗？
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。
B2 noun /ˌsuːpərˈvɪʒən/

supervision

监督
Meaning
the action or process of overseeing or managing something or someone
Example
The project was completed under the supervision of an experienced manager.
该项目在一位经验丰富的经理监督下完成。
A2 noun /spiːtʃ/

Speech

演讲; 演说;
Meaning
formal address or discourse delivered to an audience; the expression of thoughts in spoken words
Example
The president gave an inspiring speech to the nation.
总统向国家发表了鼓舞人心的演讲。
A2 verb /səˈdʒɛst/

suggest

建议
Meaning
to put forward an idea, plan, or recommendation for consideration
Example
He suggested going to the new restaurant for dinner.
他建议去新餐馆吃晚餐。
A2 adverb /ˈsloʊli/

slowly

慢慢地
Meaning
in a slow manner
Example
She walked slowly to the door.
她慢慢地走向门。
C2 adjective /sɪmˈfoʊniəs/

symphonious

Meaning
Harmonious; producing a pleasant sound or agreement of sound.
Example
The choir's voices were symphonious and filled the hall with beauty.
C1 verb /səˈkʌm/

succumb

Meaning
To give in to pressure, temptation, or illness; to yield or fail to resist.
Example
He finally succumbed to his illness after a long struggle.
C1 noun /ˈʃær.ən fruːt/

Sharon fruit

沙龙水果
Meaning
a sweet orange persimmon fruit that can be eaten when firm
Example
The Sharon fruit is sweet and can be eaten like an apple.
沙龙水果很甜，可以像苹果一样食用。
B2 verb /sæk/

sack

解雇
Meaning
to dismiss from a job; to put something in a sack
Example
The company sacked him for poor performance.
公司因为表现不佳解雇了他。
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。
C1 noun /strəˈtiː.dʒɪk ˈɪn.saɪts/

strategic insights

战略洞察力
Meaning
Deep understanding and wisdom gained through careful analysis for planning purposes.
Example
Strategic insights guide policymaking.
战略洞察力引导政策制定。
C1 noun /ˈspiːʃiː/

specie

硬币
Meaning
money in the form of coins rather than notes or credit
Example
The transaction was made in specie.
交易是以硬币完成的。
C1 adjective /ˈspɛktrəl/

spectral

幽灵的
Meaning
Relating to a ghost or specter; ghostly. Also relating to a spectrum.
Example
The old mansion had a spectral atmosphere at night.
那座古老的宅邸晚上有一种幽灵般的氛围。
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。
A2 adjective /smɑːrt/

Smart

聪明的; 机智的; 穿着得体的; 时尚的
Meaning
intelligent; quick-witted; well-dressed; stylish
Example
She made a smart decision to invest in technology stocks.
她做出了一个聪明的决定，投资于科技股票。
B2 noun /ˈspaɪs bɒks/

Spice box

香料盒
Meaning
a container used to store various spices and seasonings
Example
She opened the spice box to find cumin for her curry.
她打开香料盒，找到了她咖喱所需的孜然。
B2 adjective, noun /ˈsɪŋɡjələr/

singular

非凡 / 单数
Meaning
Remarkable, extraordinary; or grammatical form referring to one person or thing.
Example
She has a singular talent for painting.
她在绘画方面有非凡的才华。
A2 noun /ˈsoʊldʒər/

soldier

士兵
Meaning
a person who serves in an army, especially as a professional fighter
Example
The soldier marched proudly with his unit.
士兵骄傲地与他的部队一起行进。
A2 noun /ˌsɪtʃuˈeɪʃən/

Situation

情况; 事态
Meaning
a set of circumstances in which one finds oneself; a state of affairs
Example
We need to assess the current situation before making any decisions.
我们需要在做出任何决定之前评估当前情况。
C2 adjective /ˌseɪpiˈɛnʃəl/

sapiential

智慧相关的
Meaning
Relating to wisdom or knowledge, often in a religious or philosophical sense.
Example
The monk shared sapiential teachings with his students.
和尚与学生们分享了与智慧相关的教义。
B2 verb /ˈskrɪbəl/

scribble

乱涂乱画
Meaning
to write or draw carelessly or quickly
Example
The child scribbled all over the wall.
孩子在墙上乱涂乱画。
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 /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。
C1 adjective /səˈsɛp.tə.bəl/

susceptible

容易受某种特定事物影响或损害的
Meaning
Likely or liable to be influenced or harmed by a particular thing.
Example
Children are more susceptible to infections.
孩子们更容易感染。
B2 noun /ˈsnoʊ.fɔːl/

Snowfall

降雪
Meaning
the process of snow falling from the sky; the amount of snow that falls
Example
The heavy snowfall blocked all the roads yesterday.
昨天下的大雪封锁了所有的道路。
C1 noun ˌsɪs.təˈmæt.ɪk ˈstræt.ə.dʒi

systematic strategy

系统策略
Meaning
A methodical and organized plan or approach to achieve specific objectives.
Example
A systematic strategy was employed to achieve objectives.
采取了系统策略来实现目标。
B2 noun /soʊp keɪs/

Soap case

肥皂盒
Meaning
a container used to store soap
Example
She bought a beautiful soap case for the bathroom.
她为浴室买了一个漂亮的肥皂盒。
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。
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 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。
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 /ˈsæŋk.ʃən/

Sanction

许可/制裁
Meaning
official permission or approval; a penalty for disobeying a rule
Example
The government imposed economic sanctions on the country.
政府对该国实施了经济制裁。
C1 noun /sʌˈmeɪʃən/

summation

总和, 摘要
Meaning
The process of adding things together; a summary of points.
Example
The lawyer gave a powerful summation of the case.
律师对案件进行了有力的总结。
B2 verb /ˈsɒfən/

soften

使变软
Meaning
to make or become less hard, severe, or strong.
Example
Heat will soften the butter quickly.
热量会很快使黄油变软。
B2 noun /ˈsʌfərɪŋ/

suffering

痛苦
Meaning
the state of undergoing pain, distress, or hardship
Example
They tried to relieve his suffering with medicine.
他们试图用药物减轻他的痛苦。
C1 verb /spɜːrn/

spurn

蔑视地拒绝
Meaning
To reject something or someone with disdain or contempt.
Example
She spurned his offer of help.
她以蔑视的态度拒绝了他的帮助提议。
C1 verb /ˈstrætɪfaɪ/

stratify

分层
Meaning
to arrange or divide into layers, classes, or categories
Example
The researchers plan to stratify the data based on age groups.
研究人员计划根据年龄组对数据进行分层。
A2 noun /sɒks/

Socks

袜子
Meaning
soft coverings for the feet, typically worn inside shoes
Example
I need to buy new socks for winter.
我需要为冬天买新袜子。
B2 verb /skriːtʃ/

screech

发出尖锐的声音
Meaning
to make a loud, high-pitched and unpleasant sound
Example
The car screeched to a halt.
那辆车发出了刺耳的声音并猛地停下。
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 adjective /ˌsɛlf ɪˈfeɪsɪŋ/

self-effacing

谦虚的
Meaning
not drawing attention to oneself; modest
Example
Despite his success, he remained self-effacing and humble.
尽管他取得了成功，他仍然保持谦虚和谦逊。
C1 verb /sərˈmaʊnt/

surmount

克服
Meaning
to overcome a difficulty or obstacle
Example
He surmounted all the challenges to achieve his dream.
他克服了所有的挑战，实现了自己的梦想。
A2 verb /ˈstɑːtɪŋ/

starting

开始
Meaning
beginning to do or experience something
Example
She is starting a new job next week.
她下周开始一份新工作。
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 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

间隔重复
Meaning
A learning technique that involves reviewing information at increasing intervals to improve long-term retention.
Example
Spaced repetition helps in long-term memory retention.
间隔重复有助于长期记忆保持。
A2 noun /sɛlf/

self

自我
Meaning
a person's essential being that distinguishes them from others, especially considered as the object of introspection or reflexive action
Example
She has a strong sense of self.
她有强烈的自我意识。
C1 adjective /ˈsɪnjuəs/

sinuous

蜿蜒
Meaning
Having many curves, bends, or turns; winding.
Example
The hikers followed a sinuous path through the forest.
徒步旅行者沿着蜿蜒的路径穿过森林。
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。
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。
C1 adjective /ʃruːd/

Shrewd

精明的; 聪明的; 机敏的
Meaning
having or showing sharp powers of judgment; astute
Example
The shrewd businessman made a profitable deal in the competitive market.
那个精明的商人，在竞争激烈的市场上达成了一笔有利可图的交易。
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 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 /ˈspæroʊ/

Sparrow

麻雀
Meaning
small brown and grey bird commonly found in cities and towns
Example
The sparrow chirped cheerfully from the tree branch.
麻雀愉快地从树枝上啁啾。
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。
C1 verb /ˈstæɡ.neɪt/

stagnate

停滞
Meaning
to stop developing, progressing, or moving
Example
Without innovation, the business will stagnate.
没有创新，生意将会停滞不前。
A2 noun /skɪlz/

skills

技能
Meaning
The ability to do something well; expertise.
Example
Learning new skills can increase personal and professional growth.
学习新技能可以增加个人和职业发展。
C1 adjective /ˈspaɪni/

spiny

多刺的
Meaning
covered with or full of spines; having sharp points
Example
The spiny cactus stood tall in the desert.
多刺的仙人掌在沙漠中挺立。
C2 noun /sfɛˈrɪsɪti/

sphericity

球形
Meaning
The quality or state of being spherical; roundness.
Example
The sphericity of the ball made it roll smoothly on the ground.
球的球形使它能够平稳地在地面上滚动。
B2 adjective /ˌsɪstəˈmætɪk/

systematic

系统的
Meaning
Done or acting according to a fixed plan or system; methodical.
Example
The company took a systematic approach to solving the issue.
公司采取了系统的方法来解决问题。
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。
B2 noun ˈsəʊ.ʃəl ˈdʒʌs.tɪs

social justice

社会正义
Meaning
Justice in terms of the distribution of wealth, opportunities, and privileges within a society.
Example
Social justice ensures equality of opportunity.
社会正义确保平等的机会。
C1 verb /snʌb/

snub

冷落
Meaning
to insult or ignore someone by treating them rudely
Example
He felt hurt when his invitation was snubbed.
他感到受伤，当他的邀请被冷落。
B1 noun səˈluː.ʃənz

solutions

解决方案
Meaning
A means of solving a problem or dealing with a difficult situation.
Example
Biotechnology provides solutions to environmental challenges.
生物技术为环境问题提供解决方案。
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 adjective /ˈstʌb.ərn/

Stubborn

固执; 顽固; 倔强
Meaning
refusing to change opinion or course of action; persistent; obstinate
Example
The stubborn child refused to eat his vegetables.
那个固执的孩子拒绝吃蔬菜。
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。
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。
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。
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。
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。
C1 adjective /ˈsɜːrpənˌtiːn/

serpentine

蛇形的
Meaning
Having the shape, movement, or qualities of a serpent; winding or twisting.
Example
The road took a serpentine path through the mountains.
这条路穿过山脉，呈蛇形蜿蜒。
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。
C1 noun /slæb/

slab

板
Meaning
a large, thick, flat piece of stone, concrete, or other hard material
Example
The workers laid a concrete slab for the foundation.
工人们为地基铺设了一块混凝土板。