symmetry
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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。
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。
B2 noun /ˈsɪmpəθi/

Sympathy

同情
Meaning
feelings of pity and sorrow for someone else's misfortune
Example
She expressed her sympathy for the victims of the accident.
她对事故的受害者表达了同情。
B2 noun /ˈsɪɡ.nəlz/

signals

信号
Meaning
A gesture, action, or sound conveying information or instructions.
Example
Signals from deep space were detected last week.
上周探测到了来自深空的信号。
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 /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。
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。
B2 adverb /ˈsɪmɪlərli/

similarly

类似地
Meaning
in a similar way
Example
Similarly, we can achieve success with dedication and hard work.
以相似的方式，我们可以通过奉献和努力工作取得成功。
B1 noun /ʃɔːr/

Shore

海岸; 岸边; 沙滩
Meaning
the land along the edge of a sea, lake, or other body of water
Example
We walked along the shore collecting seashells.
我们沿着海岸走，捡贝壳。
C1 adjective /ˈspʌndʒi/

Spongy

海绵状
Meaning
soft and full of holes like a sponge; porous
Example
The cake had a light and spongy texture.
蛋糕有轻盈而海绵状的质地。
C1 noun /streɪt/

strait

海峡
Meaning
A narrow passage of water connecting two seas or two large areas of water.
Example
The Strait of Gibraltar connects the Atlantic Ocean and the Mediterranean Sea.
直布罗陀海峡连接大西洋和地中海。
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。
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。
C2 verb /stɑːntʃ/

stanch

止血
Meaning
to stop the flow of blood or liquid from a wound or source
Example
The nurse quickly stanched the bleeding from the cut.
护士迅速止住了切口处的出血。
B2 adjective /ˈslɪp.ər.i/

Slippery

湿滑的
Meaning
smooth and difficult to hold; causing sliding or slipping
Example
The wet floor was very slippery after cleaning.
清洁后地板非常湿滑。
C1 noun /sɛkt/

sect

教派
Meaning
a subgroup of a larger religious or political group, often with differing beliefs
Example
The group split into different sects due to doctrinal differences.
由于教义上的差异，该小组分裂成了不同的教派。
C1 adjective /ˈsʌpl/

supple

柔韧的
Meaning
Easily bending or moving without breaking; flexible and adaptable.
Example
The gymnast’s body was remarkably supple.
体操运动员的身体异常柔韧。
B1 noun /swɒn/

Swan

天鹅
Meaning
a large waterbird with a long curved neck and usually white plumage
Example
The elegant swan glided silently across the water.
那只优雅的天鹅静静地滑过水面。
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。
B2 adverb /ˈskɪl.fəl.i/

Skilfully/US: Skillfully

熟练地
Meaning
in a way that shows ability and training; expertly
Example
She skilfully painted the portrait in just two hours.
她在两个小时内熟练地画了肖像。
C1 verb /siːð/

seethe

怒火中烧
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
她在不公平的决定后怒火中烧。
C2 adjective /ˈspɔːrtɪv/

sportive

运动的
Meaning
Playful, lively, or full of fun.
Example
The children were in a sportive mood during the picnic.
孩子们在野餐时都很运动。
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。
C1 verb ˈsɪn.θə.saɪ.zɪŋ

synthesizing

合成, 结合, 以一致的方式呈现
Meaning
Combine (a number of things) into a coherent whole.
Example
He excels in synthesizing ideas from different sources.
他擅长将不同来源的想法进行合成。
C1 adjective /ˈsɜːrli/

surly

脾气暴躁
Meaning
bad-tempered and unfriendly
Example
The waiter gave us a surly look when we asked for more water.
当我们要求更多的水时，服务员用脾气暴躁的目光看着我们。
C1 verb /ˌsuːpərɪmˈpoʊz/

superimpose

叠加
Meaning
to place one thing on top of another so that both can be seen
Example
The editor superimposed text over the image.
编辑将文本叠加在图片上。
C1 noun /ˈskwɒtər/

squatter

非法占领者
Meaning
a person who unlawfully occupies an uninhabited building or unused land
Example
The police removed the squatters from the abandoned house.
警方将非法占领者从废弃的房屋中驱逐了出去。
B2 verb /ˈsuːpərvaɪz/

supervise

监督
Meaning
to watch and direct a person or activity to ensure things are done correctly
Example
The teacher supervises students during the exam.
老师在考试期间监督学生。
B2 noun /ˈsɛnətər/

senator

参议员
Meaning
a member of a senate, especially in a legislative body
Example
The senator spoke passionately about environmental policies.
参议员激情地谈论环境政策。
C1 verb, noun /sæp/

sap

树液 / 削弱
Meaning
As a noun: the vital fluid in plants; As a verb: to gradually weaken or drain strength.
Example
The long journey began to sap his energy.
长途旅行开始削弱他的能量。
B2 noun ˌsɛlf.kənˈtrəʊl

self-control

自我控制
Meaning
The ability to control one's emotions, behavior, and desires in order to obtain some reward, or avoid some punishment, typically in the longer term.
Example
Self-control is important for maintaining a balanced life.
自我控制对保持平衡的生活很重要。
C1 adjective /ˌsæŋktɪˈmoʊniəs/

sanctimonious

伪善的虔诚
Meaning
Making a show of being morally superior to others; hypocritically pious.
Example
He gave a sanctimonious speech about honesty while he himself was corrupt.
他发表了一篇关于诚实的伪善演讲，而他自己却腐败了。
C1 adjective /ˈskrʌfi/

Scruffy

邋遢的或不整洁的外观；脏的和磨损的
Meaning
untidy or unkempt in appearance; shabby and worn
Example
The scruffy old dog wandered through the streets looking for food.
那只邋遢的老狗在街上徘徊，寻找食物。
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。
C1 verb ˈsɪŋ.krə.naɪz

synchronize

同步
Meaning
To coordinate in time; to cause to occur or operate at the same time or rate.
Example
The dancers need to synchronize their movements.
舞者需要同步他们的动作。
B2 noun /ˈspəʊkswɪmən/

spokeswoman

发言人女性
Meaning
a woman who speaks on behalf of a group or organization
Example
The spokeswoman for the company announced the new product.
公司的发言人宣布了新产品。
C2 noun/verb /sluːs/

sluice

水闸 / 清洗
Meaning
A sliding gate for controlling the flow of water; to wash or rinse with water in large quantities.
Example
The workers sluiced the mud off the street after the heavy rain.
工人们在暴雨后清洗了街道上的泥巴。
C2 verb /seɪt/

sate

满足
Meaning
To satisfy fully or to excess.
Example
The huge meal sated their hunger after the long journey.
长途旅行后，丰盛的餐点满足了他们的饥饿。
C1 noun /səbˈdʒɛkʃən/

subjection

征服
Meaning
the act of bringing someone or something under control or domination
Example
The people suffered under the subjection of a cruel ruler.
人民在一个残暴统治者的征服下受苦。
A2 noun /ˈsæd.nəs/

Sadness

悲伤，痛苦，忧郁
Meaning
feeling of sorrow, unhappiness, or grief
Example
Her sadness was evident after hearing the bad news.
她听到坏消息后，她的悲伤显而易见。
C1 adjective /snaɪd/

snide

讽刺的
Meaning
mocking or insulting in an indirect way
Example
He couldn’t resist making a snide comment about her dress.
他忍不住对她的裙子做出讽刺的评论。
B2 adverb /ˈʃɑːrpli/

sharply

急剧地
Meaning
suddenly and strongly; in a cutting or intense way
Example
Prices rose sharply after the announcement.
价格在公告后急剧上涨。
B1 noun ˈsaɪləns

silence

沉默
Meaning
Complete absence of sound; quietness.
Example
Silence filled the air near the graves.
沉默充满了墓地附近的空气。
B2 noun /ˈset.əl.mənt/

Settlement

定居; 协议
Meaning
a place where people establish a community; an agreement that ends a dispute
Example
The early settlement was built near the river for easy access to water.
早期的定居点建在河边，方便取水。
B2 noun /ˈʃʌtəl/

shuttle

在两个地点之间定期往返的交通工具
Meaning
a vehicle or craft that travels regularly between two places.
Example
The airport shuttle runs every 30 minutes.
机场接驳车每30分钟运行一次。
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。
B1 noun /ˈʃæd.oʊ/

Shadow

阴影
Meaning
a dark area where light is blocked by something; a person's silhouette
Example
The tree cast a long shadow across the garden in the evening.
树在傍晚把一个长长的阴影投射到花园里。
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。
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 /sɪˈnɪləti/

senility

衰老
Meaning
The state of being old and showing the weaknesses of age, especially mental decline.
Example
His forgetfulness was attributed to senility.
他的健忘被归因于衰老。
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 verb /ˌsuːpərˈsiːd/

supersede

取代
Meaning
To replace or take the place of something because it is more modern or effective.
Example
This new law will supersede the old regulations.
这部新法律将取代旧的规定。
C1 noun ˌsteɪbəlaɪˈzeɪʃən

stabilization

稳定化
Meaning
The process of making or becoming stable.
Example
The stabilization of the structure was essential after the earthquake.
地震后，结构的稳定化至关重要。
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。
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。
B2 noun /səbˈmɪʃən/

submission

提交, 顺从
Meaning
the act of yielding to authority or presenting something for consideration
Example
Her submission of the report was appreciated by the manager.
她提交的报告受到了经理的赞赏。
A1 verb /sɪt/

sit

坐
Meaning
to rest in a seated position; to be located
Example
Please sit down and make yourself comfortable.
请坐下并让自己舒服。
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。
C1 noun səˌsɛp.təˈbɪl.ə.ti

susceptibility

易感性
Meaning
The quality of being likely to be influenced or harmed by a particular thing; vulnerability.
Example
High susceptibility to infections requires extra care.
对感染的高易感性需要额外的护理。
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。
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。
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。
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 /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 noun /səbˈmɪtəl/

submittal

提交
Meaning
the act of submitting something, especially a document for consideration or approval
Example
The contractor sent the submittal to the client for approval.
承包商将提交给客户以供批准。
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

自给自足
Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
自给自足帮助建立自信。
B1 noun ˈseɪ.vɪŋ

saving

储蓄
Meaning
The practice of keeping and accumulating money for future use rather than spending it immediately.
Example
Regular saving habits ensure financial security.
定期的储蓄习惯确保财务安全。
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。
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。
A2 adverb /ˈstrɒŋɡli/

strongly

强烈地
Meaning
in a strong manner or to a great extent
Example
She strongly believes in the power of positive thinking.
她坚信积极思考的力量。
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 /soʊl/

Soul

灵魂
Meaning
the spiritual or immaterial essence of a human being or animal; a person's emotional or intellectual nature
Example
She poured her heart and soul into her artwork.
她将自己的心和灵魂投入到艺术创作中。
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 /stɪŋ/

sting

刺痛
Meaning
to pierce with a sharp point; to cause sharp pain
Example
The bee stung him on his arm while he was gardening.
蜜蜂在他园艺时刺伤了他的手臂。
C1 noun ˈsʌb.tɛkst

subtext

潜台词
Meaning
Hidden meaning or message behind spoken or written words
Example
The subtext of his speech suggested disagreement.
他的演讲的潜台词暗示着不同意见。
A2 noun /ˈsoʊʃəl ˈmiːdiə/

social media

社交媒体
Meaning
Websites and applications that enable users to create and share content or to participate in social networking.
Example
Social media often causes delays.
社交媒体经常造成延迟。
C1 noun /ˌsɛlfsəˈfɪʃənsi/

Self-sufficiency

自给自足
Meaning
the ability to supply one's own needs without external assistance; independence
Example
The farm achieved complete self-sufficiency in food production.
农场在食品生产中实现了完全的自给自足。
A2 noun /ˈspiːkər/

speaker

演讲者
Meaning
a person who speaks or talks, especially as an occupation
Example
The speaker delivered an inspiring speech at the conference.
演讲者在会议上发表了激动人心的演讲。
B2 adjective sɪˈvɪər

severe

严重的
Meaning
Very great; intense or extreme in degree.
Example
Without action, climate change impacts will become severe.
如果没有行动，气候变化的影响将变得严重。
B2 noun /sɪv/

Seive

筛子
Meaning
a utensil consisting of a wire or plastic mesh held in a frame, used for straining solids from liquids
Example
She used a sieve to separate the flour from lumps.
她使用筛子将面粉与结块分开。
B2 adjective /ˈsʌb.sɪ.kwənt/

subsequent

随后的
Meaning
Coming after something in time; following in time or order.
Example
Subsequent events clarified the outcomes.
随后的事件澄清了结果。
C1 noun /ʃɑːrd/

shard

碎片
Meaning
a broken piece of glass, metal, or pottery
Example
He cut his finger on a shard of glass.
他用玻璃碎片割伤了手指。
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。
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。
C2 noun /ʃiːt fɪʃ/

Sheat-fish

鲶鱼
Meaning
A large freshwater catfish with a broad flat head and long barbels
Example
The sheat-fish is one of the largest freshwater fish in South Asia.
鲶鱼是南亚最大的淡水鱼之一。
A2 adjective /səkˈsɛsfəl/

Successful

成功的; 富裕的; 胜利的
Meaning
having achieved a desired aim or result; prosperous
Example
She was successful in her career as a doctor.
她在医生的职业生涯中取得了成功。
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。
B1 noun /seɪnt/

Saint

被认为圣洁或道德的人；非常友善或有耐心的人
Meaning
person recognized as holy or virtuous; very kind or patient person
Example
Mother Teresa was declared a saint by the Catholic Church.
特雷莎修女被天主教教会宣布为圣人。
B2 verb, noun /ʃeɪv/

shave

刮胡子
Meaning
To remove hair from the body, typically using a razor; the act of removing hair
Example
He likes to shave every morning before work.
他喜欢每天上班前刮胡子。
B2 noun /ˈsɪləbəs/

syllabus

教学大纲
Meaning
An outline or summary of topics to be covered in a course of study.
Example
The professor handed out the syllabus on the first day of class.
教授在第一天的课上发放了教学大纲。
A2 verb /sɑːlv/

solve

解决
Meaning
to find an answer to a problem or question; to resolve a difficulty
Example
The detective finally solved the mysterious case.
侦探终于解决了神秘案件。
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。
B2 noun səˈsteɪnəbl dɪˈvɛləpmənt

Sustainable Development

可持续发展
Meaning
Development that meets present needs without compromising the ability of future generations to meet their own needs.
Example
Eco-tourism contributes to sustainable development in local communities.
生态旅游有助于当地社区的可持续发展。
C1 adjective /suːˈpɜːrlətɪv/

superlative

最高级
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
她的表现是最高级的，赢得了站立的掌声。
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。
C1 verb /skwiːl/

squeal

尖叫
Meaning
to make a high-pitched cry; to inform on someone
Example
The children squealed with delight when they saw the surprise.
孩子们看到惊喜时高兴地尖叫。
C2 noun /ˈsfɛrɔɪd/

spheroid

椭球体
Meaning
A three-dimensional shape that is almost spherical but slightly flattened or elongated.
Example
The Earth is not a perfect sphere but an oblate spheroid.
地球不是一个完美的球体，而是一个扁球体。
C1 noun /ˈspɛkjʊˌleɪtər/

speculator

投机者
Meaning
A person who forms theories without evidence, or invests in assets hoping for profit.
Example
The real estate speculator bought land hoping its value would rise.
房地产投机者购买了土地，希望其价值会增加。
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。
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。
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。
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 /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。
C1 noun /səˈprɑːnoʊ/

soprano

女性或男孩的最高唱功
Meaning
the highest female or boy’s singing voice
Example
She sang beautifully in the soprano range during the concert.
她在音乐会期间以女高音的音域唱得非常美。
A2 adjective /ˈsuːpər/

super

超级
Meaning
excellent; very good
Example
She did a super job on the project.
她在项目中做得非常好。
C2 noun /ˌsɪləbɪˈkeɪʃən/

syllabication

音节划分
Meaning
The division of words into syllables.
Example
Proper syllabication helps in correct pronunciation.
正确的音节划分有助于正确发音。
B1 noun ˈstrʌk.tʃər

structure

结构
Meaning
The arrangement of and relations between the parts or elements of something complex.
Example
The structure is designed for safety and functionality.
该结构是为安全和功能性设计的。
B2 noun /sɔːrd/

Sword

剑
Meaning
a weapon with a long metal blade and a handle, used for fighting
Example
The knight drew his sword to defend the castle.
骑士拔出了剑来保护城堡。
C1 verb /ˈskaʊər/

scour

擦洗 / 彻底搜索
Meaning
to clean or brighten the surface of something by scrubbing; to search thoroughly
Example
She scoured the kitchen until it shone.
她打扫厨房直到它闪闪发光。
B1 noun /ˈsɜr.fɪs/

Surface

表面; 上层
Meaning
the outside part or uppermost layer of something
Example
The submarine emerged to the surface of the ocean.
潜水艇浮出海面。
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 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 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。
B2 noun /səkˈses.ər/

Successor

继任者
Meaning
a person who succeeds another in office; someone who takes over a position or role
Example
The CEO announced his retirement and named his successor for the company.
首席执行官宣布了退休，并为公司指定了继任者。
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 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。
B1 adjective /ˈsoʊ kɔːld/

so-called

Meaning
referred to as or known by a particular name or title, often misleadingly
Example
The so-called expert couldn't answer the question.
C2 noun /ˈʃæd.ək/

Shaddock

柚子
Meaning
a large citrus fruit similar to grapefruit; pomelo
Example
The shaddock is the largest citrus fruit in the world.
沙多克是世界上最大的柑橘类水果。
A2 noun /ˈsɪriz/

Series

系列
Meaning
a number of events, objects, or people of a similar or related kind coming one after another; a set of related television or radio programmes
Example
The detective series ran for five successful seasons.
这部侦探系列剧播出了五季并取得了成功。
A1 verb /sɔ/

saw

用锯子切
Meaning
to cut with a saw; to use a cutting tool
Example
The carpenter saws the wood into pieces.
木匠将木头切成小块。
B2 noun /sneɪl/

Snail

蜗牛
Meaning
a small soft creature with a shell on its back that moves very slowly
Example
The snail left a shiny trail as it crawled across the leaf.
蜗牛在叶子上爬行时留下了一条闪亮的痕迹。