C1 noun /ˌsʌpəˈzɪʃən/

supposition

假设

Meaning

An assumption or belief that something is true without certain proof.

Example

His plan was based on the supposition that the market would recover quickly.

他的计划是基于市场将迅速恢复的假设。

B2 noun /ˈsɒr.oʊ/

Sorrow

悲伤; 伤痛;

Meaning

a feeling of deep distress caused by loss or disappointment

Example

His heart was filled with sorrow after the tragedy.

悲剧后，他的心里充满了悲伤。

C1 noun /ˈseɪɑːns/

seance

灵媒会议

Meaning

A meeting where people attempt to communicate with the spirits of the dead.

Example

They held a seance to contact their late grandmother.

他们举行了灵媒会议，以联系已故的祖母。

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 adverb /ˈsiː.krət.li/

secretly

偷偷地

Meaning

in a way that is hidden or not known by others

Example

She secretly planned a surprise party for her friend.

她偷偷为她的朋友策划了一个惊喜派对。

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。

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。

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。

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。

B2 verb /ˈspɛsɪfaɪ/

specify

指定

Meaning

to state or describe something clearly and exactly

Example

Please specify the time and place of the meeting.

请明确指定会议的时间和地点。

C1 noun /sleɪ/

sleigh

雪橇

Meaning

A vehicle pulled by horses or reindeer over snow or ice.

Example

Children were excited to ride in the sleigh through the snowy village.

孩子们兴奋地在雪地小村庄里骑上雪橇。

C1 noun /stɑːr ˈæn.ɪs/

Star Anise

八角星

Meaning

star-shaped spice pod with a licorice-like flavor used in cooking

Example

She added star anise to the soup for aromatic flavor.

她在汤里加入了八角星，增添了香气。

B1 noun /ˈsæm.ən/

salmon

鲑鱼

Meaning

A large fish with pink flesh, often eaten as food.

Example

They served grilled salmon for dinner.

他们晚餐时提供了烤鲑鱼。

B2 noun /sɛnˈseɪʃən/

Sensation

感觉

Meaning

a physical feeling or perception resulting from something that happens to or comes into contact with the body; a widespread reaction of interest and excitement

Example

The new singer became an overnight sensation.

这位新歌手一夜之间成名，成为轰动一时的现象级人物。

A2 verb /sɔːrt/

sort

排序

Meaning

to arrange or categorize something

Example

Please sort the files by date.

请按日期排序文件。

C1 verb /skʌf/

scuff

擦伤

Meaning

to mark or scratch the surface of something by rubbing

Example

He scuffed his shoes on the pavement.

他在人行道上擦伤了他的鞋子。

C1 verb /slɪŋ/

sling

投掷, 挂起

Meaning

to throw or hang something roughly or carelessly

Example

He slung his bag over his shoulder before leaving.

他在离开前把包扔在肩膀上。

A2 noun /spɔːt/

sport

体育

Meaning

an activity involving physical exertion and skill in which an individual or team competes against another or others for entertainment

Example

Football is a popular sport around the world.

足球是全球流行的体育运动。

C1 verb ˈsɪn.ɚ.dʒaɪz

synergize

协同工作以提高效率。

Meaning

combine in such a way as to enhance effectiveness.

Example

The departments must synergize to improve efficiency.

各部门必须协作以提高效率。

B1 verb /splɪt/

split

分割

Meaning

to divide or separate into parts or groups

Example

He split the log in two with an axe.

他用斧子把木头劈成两半。

C1 noun/verb /ˈslʌmbər/

slumber

睡眠

Meaning

A state of sleep; to sleep lightly or rest.

Example

The child slumbered peacefully through the night.

孩子整夜安静地睡觉。

B2 adjective /ˈstɛdi/

steady

稳定

Meaning

firm, stable, and not likely to change suddenly

Example

He kept his hand steady while painting the picture.

他在画画时保持手稳定。

B2 verb /səˈrɛndər/

surrender

投降

Meaning

to give up or yield to an opponent or authority

Example

The army finally surrendered after weeks of fighting.

在几周的战斗后，军队终于投降了。

A2 noun /ˈstrɔːbəri/

Strawberry

草莓

Meaning

a small red heart-shaped fruit with tiny seeds on the surface and sweet taste

Example

I love eating fresh strawberries with cream during summer.

我喜欢在夏天吃新鲜的草莓配奶油。

C1 adjective ˈsɪŋ.krə.nəs

synchronous

同步

Meaning

Existing or occurring at the same time.

Example

Synchronous learning involves live online classes.

同步学习包括实时在线课堂。

C2 noun /ˈsɑːrdʒənt ət ɑːrmz/

sergeant-at-arms

警卫员

Meaning

An officer responsible for maintaining order during meetings or legislative sessions.

Example

The sergeant-at-arms escorted the disruptive member out of the hall.

警卫员把扰乱秩序的成员从大厅带了出去。

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。

A2 verb /ʃʌt/

shut

关上

Meaning

to close something, especially a door or window

Example

Please shut the door before you leave.

请在离开前关上门。

C2 noun /ˈstrætədʒəm/

stratagem

计策

Meaning

a plan or scheme designed to achieve a particular goal, often by trickery

Example

The general devised a clever stratagem to outwit the enemy.

将军设计了一个巧妙的计策来智胜敌人。

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。

C1 noun /ˈskævɪndʒər/

scavenger

食尸者 / 垃圾收集者

Meaning

an animal or person that feeds on dead or discarded material

Example

Vultures are natural scavengers that clean up the environment.

秃鹫是自然的清道夫，清理环境。

B1 noun /ʃrɪmp/

Shrimp

虾

Meaning

a small marine crustacean with a slender body and long legs

Example

We ordered grilled shrimp with garlic butter for dinner.

我们点了蒜蓉黄油烤虾做晚餐。

B2 noun /ˈʃʌv.əl/

Shovel

铲子

Meaning

a tool with a broad flat blade and long handle used for digging and moving earth, snow, or other materials

Example

He grabbed a shovel to clear the snow from the driveway.

他拿起铲子清理车道上的雪。

C1 noun /ʃæk/

Shack

小屋

Meaning

a small, crudely built dwelling; a poorly constructed building

Example

The fisherman lived in a small shack near the beach.

渔夫住在靠近海滩的小屋里。

C1 adjective /ˈsnɒbɪʃ/

snobbish

自命不凡

Meaning

having or showing the attitude of people who think they are better than others

Example

She seemed snobbish because she avoided talking to the waiters.

她看起来很自命不凡，因为她避免与服务员交谈。

A1 verb /seɪv/

save

拯救，保存

Meaning

to rescue from danger; to keep for future use

Example

It's important to save money for emergencies.

储蓄钱是为了应急情况很重要。

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。

B1 noun /ˈsteɪtəs/

status

状态

Meaning

the social or professional position or condition of someone or something

Example

His social status improved after the promotion.

他的社会地位在晋升后得到了改善。

B2 verb /ˈsɪmplɪfaɪ/

simplify

简化

Meaning

to make easier to understand or do; to reduce complexity

Example

The teacher simplified the complex equation for the students.

老师为学生简化了复杂的方程。

C1 noun /sɪlt/

silt

泥沙

Meaning

Fine sand, clay, or other material carried by running water and deposited as a sediment.

Example

The river deposited layers of silt along its banks.

河流在其河岸上沉积了层层的泥沙。

C1 noun /ˈʃæmbəlz/

shambles

一片混乱

Meaning

a state of complete disorder or ruin

Example

After the storm, the whole town was in shambles.

风暴过后，整个城镇陷入了一片混乱。

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。

A2 noun /ʃer/

Share

份额

Meaning

a portion of something; a part or portion of a larger amount

Example

Each partner received an equal share of the company profits.

每个合作伙伴都收到了公司利润的相等份额。

A2 noun /sprɪŋ/

spring

春天

Meaning

the season between winter and summer when plants begin to grow

Example

Flowers bloom in the spring.

春天花开。

A2 adjective /ˈsɛvrəl/

several

几个

Meaning

more than one but not many; a few

Example

Several people attended the meeting yesterday.

几个昨天参加了会议的人。

B2 noun /ˌsɒl.ɪˈdær.ə.ti/

Solidarity

团结

Meaning

unity or agreement of feeling or action among individuals with a common interest

Example

The workers showed solidarity during the strike.

工人在罢工期间表现出团结。

B2 noun ˈsəʊ.lər ˈen.ə.dʒi

solar energy

太阳能

Meaning

Energy from the sun that is converted into thermal or electrical energy.

Example

Solar energy is vital for reducing carbon emissions.

太阳能对于减少碳排放至关重要。

B2 noun /ˈsɛsəmi sidz/

Sesame Seeds

芝麻种子

Meaning

small edible seeds from the sesame plant used in cooking and baking

Example

Sprinkle sesame seeds on top of the bread before baking.

在面包上撒上芝麻种子，然后烘烤。

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。

C1 noun, verb /spreɪn/

sprain

扭伤

Meaning

an injury to a joint in which the ligaments are stretched or torn

Example

She sprained her ankle while running in the park.

她在公园跑步时扭伤了脚踝。

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。

C2 verb /sʌbˈtɛnd/

subtend

形成角度

Meaning

To extend across or form an angle at a particular point, often used in geometry.

Example

The arc subtends a 60-degree angle at the center of the circle.

弧线在圆心处形成60度角。

B2 noun/verb /swɑːmp/

swamp

沼泽

Meaning

An area of low-lying, uncultivated ground where water collects; a bog or marsh.

Example

The village was built near a swamp.

村庄建在一个沼泽附近。

C1 adjective /ˌsɛlf ˈraɪtʃəs/

self-righteous

自以为是

Meaning

Having or showing an attitude of moral superiority; believing one’s own beliefs are the only right ones.

Example

His self-righteous comments made everyone uncomfortable.

他的自以为是的评论让每个人都感到不舒服。

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。

B1 adjective /spəˈsɪfɪk/

specific

具体的

Meaning

Clearly defined or identified; particular; exact.

Example

Make a specific plan to beat procrastination.

制定一个具体的计划以克服拖延。

A2 adverb /ˈsʌm.deɪ/

someday

某天

Meaning

at some time in the future

Example

Someday, I want to travel the world.

某天，我想环游世界。

C1 noun /sloʊθ/

Sloth

懒惰; 不愿意工作或付出努力

Meaning

laziness; reluctance to work or make an effort

Example

His sloth prevented him from achieving his goals.

他的懒惰阻止了他实现目标。

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。

C1 noun /ˌsæbəˈtɜːr/

saboteur

破坏者

Meaning

A person who engages in sabotage.

Example

The saboteur was arrested before he could plant the bomb.

破坏者在放置炸弹之前被逮捕了。

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。

B2 noun /ˈsmɑːrt.nəs/

Smartness

智慧；机智；整洁和时尚的外观

Meaning

intelligence; cleverness; neat and fashionable appearance

Example

Her smartness in solving problems impressed everyone.

她在解决问题时的智慧给大家留下了深刻印象。

B2 adverb /səbˈstænʃəli/

substantially

显著

Meaning

to a great extent or degree

Example

The new policy has substantially improved working conditions.

新政策显著改善了工作条件。

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 /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。

C2 adjective /səˈræfɪk/

seraphic

天使般的

Meaning

Of or like a seraph; angelic, pure, and blissful.

Example

She gave him a seraphic smile that calmed his fears.

她给了他一个天使般的微笑，安抚了他的恐惧。

A1 verb /send/

send

发送

Meaning

to cause something to go or be taken to a particular destination; to transmit

Example

I will send you an email with the details.

我会给你发送一封包含详细信息的电子邮件。

C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

半意识的

Meaning

Only partly conscious; not fully aware of surroundings.

Example

He was semiconscious after the accident and could barely respond.

他在事故后半意识清醒，几乎无法回应。

A1 modal verb /ʃʊd/

should

应该

Meaning

used to indicate obligation or duty

Example

You should study for your exams.

你应该为考试学习。

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。

C1 noun /ˌstætɪˈstɪʃən/

statistician

统计学家

Meaning

A person who specializes in collecting, analyzing, and interpreting numerical data.

Example

The statistician presented the survey results with great clarity.

统计学家以极大的清晰度展示了调查结果。

B2 adjective /ˈstæt.ɪk/

static

静态

Meaning

Lacking in movement, action, or change; stationary.

Example

Static ideas hinder progress.

静态的想法阻碍了进步。

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。

C1 verb /smɪr/

smear

涂抹 / 诽谤

Meaning

to spread or apply a substance messily; to damage someone's reputation with false or unfair words

Example

The child smeared paint across the wall.

孩子把油漆涂在墙上。

B2 noun /ˌsɪmjuˈleɪʃən/

simulation

模拟

Meaning

the imitation of a situation or process

Example

The simulation helped the students understand the complex theory.

模拟帮助学生理解复杂的理论。

B2 verb /ˈstɑːrtl/

startle

吓到

Meaning

To surprise or frighten someone suddenly.

Example

The loud noise startled the children.

大声的噪音让孩子们吓了一跳。

B1 adjective /ˈsensəbəl/

Sensible

明智的; 实际的; 合理的

Meaning

having or showing good sense; practical and reasonable

Example

It would be sensible to take an umbrella because it might rain.

带伞是明智的，因为可能会下雨。

C1 noun stɔːrm ɪnˌtensɪfɪˈkeɪʃən

storm intensification

风暴加强

Meaning

The process by which storms become stronger and more severe in intensity.

Example

Storm intensification is linked to climate change.

风暴加强与气候变化有关。

Meaning

a sheltered or darker area where direct light is blocked; to block light from something

Example

We sat under the tree for some shade.

B2 verb /sɜːrdʒ/

surge

激增

Meaning

to move suddenly and powerfully forward or upward

Example

The crowd surged forward when the gates opened.

当大门打开时，人群向前涌动。

A2 noun /soʊp/

Soap

肥皂

Meaning

a cleaning agent made from fats or oils and used for washing

Example

Please wash your hands with soap and water.

请用肥皂和水洗手。

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。

C1 adjective /ˈspel.baʊnd/

Spellbound

着迷的; 迷住的

Meaning

completely fascinated and unable to move or think about anything else; enchanted

Example

The children sat spellbound as the magician performed his tricks.

孩子们看到魔术师表演时都目瞪口呆。

B1 noun /ˈʃoʊldər/

Shoulder

肩膀

Meaning

the part of the body between the neck and the arm

Example

He carried the bag over his shoulder.

他把包拿在肩膀上。

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 /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。

B2 noun speɪs ɪksplɔːˈreɪʃən

space exploration

太空探索

Meaning

The investigation of outer space by means of manned and unmanned spacecraft.

Example

Space exploration has expanded our knowledge of the universe.

太空探索拓展了我们对宇宙的认识。

C1 noun /ˈsɪmətri/

symmetry

对称

Meaning

the quality of having balanced proportions or identical parts facing each other

Example

The building’s symmetry impressed the visitors.

建筑的对称性给游客留下了深刻的印象。

A2 adverb /ˈsʌm.taɪm/

sometime

某个时候

Meaning

at a time that is not known or stated; occasionally

Example

Let's meet for coffee sometime next week.

我们下周某个时候见面喝咖啡吧。

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。

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。

C1 noun səbˈsɪs.təns

subsistence

生计

Meaning

The action or fact of maintaining or supporting oneself at a minimum level.

Example

Many farmers depend on subsistence agriculture.

许多农民依靠自给农业谋生。

C1 verb /sɪndʒ/

singe

轻微燃烧

Meaning

To burn something superficially or lightly, especially at the edges.

Example

The fire singed his eyebrows.

火焰烧焦了他的眉毛。

B2 noun /ˌsɛpəˈreɪʃən/

Separation

分离；隔离；拆分

Meaning

the action or state of moving or being moved apart; the division of something into constituent or distinct elements

Example

The separation of the two countries was peaceful.

两个国家的分离是和平的。

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 /ˈsɛnsər/

sensor

幸福

Meaning

a device that detects or measures a physical property and records, indicates, or responds to it

Example

The motion sensor turned on the light automatically.

当她获得奖项时，她无法掩饰自己的幸福。

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。

C1 adjective ˈsɒvrɪn

sovereign

主权的, 最高的

Meaning

Possessing supreme or ultimate power; independent.

Example

The sovereign government has control over its currency.

主权政府控制着自己的货币。

C1 noun /ˈsteɪtəs kwoʊ/

status quo

现状

Meaning

The existing state of affairs, especially regarding social or political issues.

Example

The government decided to maintain the status quo until further review.

政府决定在进一步审查之前保持现状。

B1 noun ˈseʃən

session

会议

Meaning

A meeting of an official body, especially a legislature, council, or court of law, to conduct its business.

Example

The session was held on February 25.

会议于2月25日举行。

C1 adjective /ˈsteɪtli/

stately

庄严和宏伟

Meaning

Having a dignified, majestic, and impressive appearance or manner.

Example

The stately mansion stood at the end of the long driveway.

那座庄严的豪宅位于长长的车道尽头。

B2 noun ˈsɪblɪŋz

Siblings

兄弟姐妹

Meaning

Each of two or more children or offspring having one or both parents in common.

Example

Siblings are usually placed on the same level in a family tree.

兄弟姐妹通常在家谱中处于同一水平。

A1 noun /ˈsɪstər/

sister

姐姐 / 妹妹

Meaning

a female sibling; a girl or woman in relation to other children of her parents

Example

My sister is coming to visit us next week.

我姐姐下周要来看我们。

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。

B2 adverb /ˈsmɑːt.li/

Smartly

聪明地; 有风格地; 快速地

Meaning

in a clever or intelligent way; neatly and stylishly; quickly

Example

He was smartly dressed for the business meeting.

他为商务会议穿得很聪明。

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。

A2 verb /səkˈsiːd/

succeed

成功

Meaning

to achieve the desired aim or result; to do well

Example

She worked hard to succeed in her career.

她努力工作，力图在事业中取得成功。

C1 verb /ʃraʊd/

shroud

覆盖

Meaning

to cover or hide; to wrap in cloth

Example

The mountain peak was shrouded in mist.

山顶被雾气笼罩。

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 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。