sextuple
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C2 verb /sɛkˈstuːpəl/

sextuple

六倍增加
Meaning
to make or become six times as great or as many
Example
Within two quarters, the campaign sextupled their daily sign-ups.
在两个季度内，活动的日常注册人数增加了六倍。
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。
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。
A2 noun /ˈstjuːdiəʊ/

studio

工作室
Meaning
a room where an artist, photographer, musician, or broadcaster works
Example
The singer recorded her new song in the studio.
歌手在工作室录制了她的新歌。
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

消毒
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
定期消毒保持设备无菌。
C1 adjective /ˈstɪltɪd/

stilted

做作的, 不自然的
Meaning
Speech or writing that is stiff, unnatural, or overly formal.
Example
His speech sounded stilted and rehearsed.
他的演讲听起来做作且预先排练过。
C1 adjective /ˈʃɑːdi/

shoddy

劣质
Meaning
badly made or done; of poor quality
Example
The contractor did a shoddy job on the repairs.
承包商在修理工作中做了劣质的工作。
A2 verb /sɜːrtʃ/

search

搜索
Meaning
to look carefully for someone or something; to examine thoroughly
Example
The police searched the house for evidence.
警察搜查了房子以寻找证据。
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 noun /sɜːrˈsiːs/

surcease

停止
Meaning
a temporary or final ending or stopping of something
Example
The noise finally came to a surcease after midnight.
噪音在午夜后终于停止了。
B2 verb /səʊ/

sew

幸福
Meaning
to join pieces of fabric or material together using a needle and thread
Example
She learned to sew her own clothes at an early age.
她在获得奖项时无法掩饰她的快乐。
B2 verb /ˈsʌfəkeɪt/

suffocate

Meaning
to cause someone to die or have difficulty breathing by depriving them of air
Example
The child nearly suffocated when trapped in the locked room.
C1 adjective /ˈseɪ.vər.i/

savory

美味的（咸的或辣的）
Meaning
Having a pleasant salty or spicy taste; morally acceptable.
Example
The restaurant serves a variety of savory dishes.
这家餐厅提供各种美味的菜肴。
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。
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。
C1 adjective /stɔːntʃ/

staunch

坚定的, 忠诚的
Meaning
Loyal, committed, and firm in support.
Example
She is a staunch supporter of environmental protection.
她是环境保护的坚定支持者。
C1 noun /ˈsɔːl.tɪd fɪʃ/

Salted fish

咸鱼
Meaning
fish preserved with salt; dried and salted fish for storage
Example
Salted fish is a traditional way to preserve seafood.
咸鱼是保存海鲜的传统方法。
B1 noun, verb /spoʊk/

spoke

辐条 / 说
Meaning
As a noun, a bar connecting the center of a wheel to its rim; as the past tense of 'speak'.
Example
The bicycle's spoke was bent after the accident.
自行车的辐条在事故后弯曲了。
B2 noun /stɔːrk/

Stork

鹳
Meaning
large wading bird with long legs and a long neck
Example
The stork built its nest on top of the tall chimney.
鹳在高烟囱上建造了它的巢。
B2 adjective /ˈʃeɪ.di/

Shady

有阴影的; 可疑的; 不诚实的;
Meaning
providing shade; dishonest; suspicious
Example
The shady businessman made a suspicious deal.
那个有阴影的商人做了一笔可疑的交易。
B2 adjective /swɪft/

swift

Meaning
moving very quickly; happening promptly
Example
The river current was swift after the heavy rain.
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。
B1 noun ˈsɪs.təmz

systems

系统
Meaning
A set of connected things or parts forming a complex whole.
Example
Effective systems improve productivity.
有效的系统提高了生产力。
C2 noun /ʃiːf/

sheaf

麦束
Meaning
a bundle of grain stalks laid lengthwise and tied together after reaping; a bundle of objects tied together
Example
The farmer carried a sheaf of wheat on his shoulder.
农民肩上背着一捆小麦。
C2 adjective /ˈspaɪnəs/

spinous

多刺的
Meaning
Having spines or thorn-like projections
Example
The spinous cactus was difficult to handle without gloves.
这个有刺的仙人掌没有手套很难拿。
C2 verb /ˈskærɪfaɪ/

scarify

松土
Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
农民在种植种子之前松土。
C2 noun /ˈʃɪbəˌlɛθ/

shibboleth

区分特定群体的习语或信仰
Meaning
A custom, phrase, or belief distinguishing a particular group of people, often used to identify outsiders.
Example
The phrase became a political shibboleth during the campaign.
这句话在竞选期间成为了一个政治性的shibboleth。
B2 noun səbˈstænʃəl ˈɪmpækt

substantial impact

重大影响
Meaning
A significant, considerable, and meaningful effect or influence.
Example
Substantial impact is possible even with a few hours of volunteering.
即使是几个小时的志愿者工作，也能产生重大影响。
B2 verb /səbˈskraɪb/

subscribe

订阅
Meaning
to pay to receive a service regularly; to agree with or support something
Example
I subscribe to several online magazines.
我订阅了几本在线杂志。
C2 adjective /ˌsæsərˈdoʊtl/

sacerdotal

神职的
Meaning
Relating to priests or the priesthood.
Example
The ritual had a distinctly sacerdotal character.
仪式具有明显的神职特征。
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 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。
A2 verb /ʃeɪk/

shake

摇动
Meaning
to move quickly back and forth; to tremble
Example
The earthquake made the building shake.
地震让建筑物摇动。
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。
A2 noun /seɪf/

Safe

保险箱; 保护
Meaning
secure container for storing valuables; protection from danger
Example
He kept his important documents in the office safe.
他把重要文件放在办公室的保险箱里。
B2 adjective /ˈstuː.di.əs/

Studious

学霸; 专心学习
Meaning
characterized by diligent study; devoted to learning
Example
She is a studious student who spends hours in the library.
她是一个学霸，常常在图书馆待上好几个小时。
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。
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。
A2 verb /skiː/

ski

滑雪
Meaning
to glide over snow on skis
Example
We went skiing in the Alps last winter.
我们去年冬天去了阿尔卑斯滑雪。
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。
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 verb /ˈsmoʊldər/

smolder

慢慢燃烧
Meaning
to burn slowly with smoke but no flame; to show suppressed anger or emotion
Example
The fire smoldered for hours before it went out.
火灾持续了几个小时才熄灭。
C1 noun /ˈskrɪmɪdʒ/

scrimmage

练习赛
Meaning
A practice game or informal match, often in sports, especially football.
Example
The team had a scrimmage before the official season started.
在正式赛季开始之前，球队进行了一场练习赛。
A1 pronoun /ʃi/

she

她
Meaning
a female person or animal previously mentioned or easily identified
Example
She is going to the market to buy vegetables.
她去市场买蔬菜。
B1 adjective ˈsʌb.mə.riːn

submarine

潜水艇
Meaning
Existing, occurring, or used underwater, especially in relation to vessels or cables.
Example
Submarine cables facilitate international communication.
海底电缆促进了国际通信。
C2 noun /sɪˈmɪlɪtjuːd/

Similitude

相似; 类似
Meaning
the quality or state of being similar; resemblance
Example
The similitude between the two paintings suggested they were by the same artist.
这两幅画之间的相似性表明它们是由同一位艺术家创作的。
B1 verb /spɔɪl/

spoil

破坏
Meaning
to damage or ruin something
Example
The rain spoiled the outdoor event.
雨水破坏了户外活动。
B2 adjective səˈfɪs.tɪ.keɪ.tɪd

sophisticated

复杂的
Meaning
Having great knowledge or experience of the world and knowing about fashion, culture, and other things that people think are socially important; highly developed or complex.
Example
Sophisticated designs enhance aesthetics.
复杂的设计提升了美学。
B2 adjective /slɪm/

slim

苗条
Meaning
thin in an attractive or healthy way; small in amount or chance
Example
She looked slim in her new dress.
她穿上新裙子看起来很苗条。
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 noun ˌsʌb.sɪ.dɪˈzeɪ.ʃən

subsidization

补贴
Meaning
Financial assistance provided by government to make certain goods or services more affordable.
Example
Subsidization of agriculture helps farmers maintain crop production.
农业补贴帮助农民维持作物生产。
B2 verb /ˈskroʊlɪŋ/

scrolling

滚动
Meaning
Moving through content on a screen by sliding up or down.
Example
Scrolling through feeds wastes a lot of time.
在信息流中滚动浪费了很多时间。
C1 noun ˈsæŋktɪti

sanctity

神圣
Meaning
The state or quality of being holy, sacred, or saintly; ultimate importance.
Example
The sanctity of life should never be compromised.
生命的神圣性永远不应被妥协。
C2 noun /sfɪˈrɒmɪtər/

spherometer

球形仪
Meaning
An instrument used for measuring the curvature of spherical surfaces.
Example
The scientist used a spherometer to measure the lens curvature.
科学家使用了一个球形仪来测量透镜的曲率。
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。
C2 noun /ˈstætɪks/

statics

静力学
Meaning
The branch of mechanics dealing with bodies at rest and forces in equilibrium.
Example
She is studying statics as part of her engineering course.
她正在学习静力学，作为她工程课程的一部分。
A2 verb /səˈpɔːrt/

support

支持
Meaning
to help or assist someone; to hold up or bear the weight of something
Example
The family will support their son through his studies.
家庭将支持他们的儿子完成学业。
B2 adjective /ˌsɪm.pəˈθet.ɪk/

Sympathetic

有同情心的; 富有理解的; 敏感的;
Meaning
showing compassion or understanding for someone's feelings or situation
Example
She was very sympathetic when I told her about my problems.
当我告诉她我的问题时，她表现得非常有同情心。
B1 noun /ˈsʌb.weɪ/

Subway

地铁
Meaning
an underground railway system; an underground passage for pedestrians
Example
I take the subway to work every morning because it's faster than driving.
我每天早上乘地铁上班，因为它比开车更快。
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。
C1 noun /ʃruː/

shrew

暴躁的女人 / 小鼠类动物
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
这部戏描述了一位坚强的女性，像一个暴躁的女人一样。
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。
C2 noun /ˈseɪpiəns/

sapience

智慧
Meaning
Wisdom or intelligence.
Example
Her sapience in solving problems earned her the respect of her colleagues.
她在解决问题上的智慧赢得了同事们的尊重。
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 /spɪˈlʌŋkər/

spelunker

洞穴探险者
Meaning
A person who explores caves as a hobby.
Example
The spelunker carried ropes and lights into the dark cave.
洞穴探险者带着绳子和灯光进入了黑暗的洞穴。
C2 verb /ˈstræɡəl/

straggle

不规则地移动
Meaning
To move or spread in an irregular, scattered, or untidy way.
Example
The children began to straggle behind on the long hike.
孩子们开始在漫长的徒步旅行中掉队。
B2 verb /səˈspɛnd/

suspend

暂停
Meaning
To temporarily stop something from being active or valid.
Example
The company decided to suspend his membership.
公司决定暂停他的会员资格。
A2 noun /ʃɛlf/

shelf

架子
Meaning
a flat surface used for storing or displaying things, typically fixed to a wall or inside a cabinet
Example
I placed the books on the shelf next to the window.
我把书放在靠窗的架子上。
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 adverb /səˈfɪʃəntli/

sufficiently

充分
Meaning
to an adequate degree or extent
Example
She studied sufficiently to pass the exam.
她足够努力地学习，才能通过考试。
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。
C1 noun /ˈskeɪ.biːz/

Scabies

疥疮
Meaning
a contagious skin disease caused by mites that causes intense itching
Example
The doctor diagnosed him with scabies after examining the rash.
医生在检查了皮疹后诊断他为疥疮。
B2 adjective sɪnˈθet̬.ɪk

synthetic

合成的
Meaning
Made by chemical synthesis, especially to imitate a natural product; artificial.
Example
Synthetic chemicals are used in processed foods.
合成化学品被用于加工食品中。
B1 verb /siːk/

seek

寻找
Meaning
to try to find or obtain something; to attempt or desire to achieve
Example
He decided to seek advice from his mentor.
他决定向他的导师寻求建议。
B2 adjective /stəˈtɪstɪkəl/

statistical

统计的
Meaning
relating to the use or analysis of numerical data
Example
The report provides statistical data about population growth.
报告提供了有关人口增长的统计数据。
C1 verb /ˈsnɪkər/

snicker

偷笑
Meaning
to laugh quietly in a disrespectful or mocking way
Example
The students snickered when the teacher made a mistake.
当老师犯错时，学生们偷偷地笑了。
B2 adjective /sɪmˈbɒlɪk/

symbolic

象征性的
Meaning
serving as a symbol or representing something else
Example
The dove is symbolic of peace and freedom.
鸽子是和平与自由的象征。
C1 noun ˌsætʃəˈreɪʃən

saturation

饱和
Meaning
The state of being saturated; the degree or extent to which something is dissolved or absorbed
Example
The saturation of the market with similar products reduced sales.
市场上的类似产品饱和度降低了销售额。
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。
A1 noun /snoʊ/

Snow

幸福
Meaning
white frozen water that falls from clouds as soft flakes
Example
The children played happily in the fresh snow.
孩子们在新鲜的雪地上开心地玩耍。
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。
A2 noun /stoʊn/

stone

石头
Meaning
a hard, naturally occurring mineral material found in the earth
Example
He threw a stone into the lake.
他把一块石头扔进湖里。
B2 verb /ˈsɪmbəlaɪz/

symbolize

象征
Meaning
to represent or stand for something else
Example
The dove symbolizes peace across cultures.
鸽子在不同文化中象征着和平。
C1 noun /ˈsɛntɪnəl/

sentinel

哨兵
Meaning
A soldier or guard whose job is to stand and keep watch.
Example
A sentinel stood at the entrance of the camp.
一个哨兵站在营地的入口处。
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。
B2 adjective strəˈtiː.dʒɪk

strategic

战略的
Meaning
Relating to the identification of long-term or overall aims and interests and the means of achieving them.
Example
Strategic policies enhance competitiveness.
战略性政策增强竞争力。
A1 determiner /sʌm/

some

一些
Meaning
an unspecified amount or number of something
Example
I have some money in my wallet.
我的钱包里有一些钱。
A1 verb /smaɪl/

smile

微笑
Meaning
to express happiness or friendliness by turning the corners of the mouth upwards
Example
She smiled when she saw the gift.
她看到礼物时笑了。
C1 noun, verb /strænd/

strand

线 / 搁浅
Meaning
Noun: A single thin length of thread, wire, or similar. Verb: To leave someone or something without a way of moving or leaving.
Example
The storm stranded many tourists on the island.
暴风雨让许多游客滞留在岛上。
B2 noun /spaʊs/

spouse

配偶
Meaning
a person's husband or wife
Example
Each employee may include their spouse in the health insurance plan.
每个员工可以将配偶纳入健康保险计划。
A2 noun /ˈswɛtər/

sweater

Meaning
a warm knitted piece of clothing worn on the upper body
Example
She wore a red sweater to keep warm in the cold weather.
B1 adjective /strɪkt/

Strict

严格；要求严格遵守规则
Meaning
demanding exact conformity to rules; severe; rigorous
Example
The teacher is very strict about homework deadlines.
老师对作业截止日期非常严格。
B2 noun ˈstɪmjələs

stimulus

刺激
Meaning
A thing or event that evokes a specific functional reaction in an organ or tissue.
Example
Plants respond to external stimulus.
植物对外部刺激作出反应。
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.
C1 noun /ˈsed.ɪ.mənt/

Sediment

沉积物
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
洪水期间，河水把沉积物冲向下游。
A2 noun /ʃiːt/

sheet

床单
Meaning
a large piece of cloth or paper, typically used to cover or protect something
Example
I need a clean sheet to cover the bed.
我需要一张干净的床单来覆盖床铺。
C1 adjective /ˌsɛrənˈdɪpɪtəs/

serendipitous

幸运的偶然
Meaning
Occurring or discovered by chance in a happy or beneficial way.
Example
Their meeting at the café was purely serendipitous.
他们在咖啡馆的相遇完全是幸运的偶然。
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。
C1 noun /sɪˈtɑːr/

Sitar

锡塔尔
Meaning
a traditional Indian stringed musical instrument with a long neck and resonating body
Example
The sitar creates beautiful ragas in Indian classical music.
锡塔尔在印度古典音乐中创造美丽的拉嘎。
B2 noun/verb /ˈslɔː.tər/

slaughter

屠杀 / 大规模谋杀
Meaning
the killing of animals for food; killing in large numbers violently
Example
The army slaughtered hundreds of enemy soldiers.
军队屠杀了数百名敌军士兵。
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。
B1 noun /ˈseɪ.ɪŋ/

Saying

谚语
Meaning
a well-known phrase that expresses something true about life; a proverb
Example
There's an old saying that practice makes perfect.
有一句老话说，实践出真知。
B2 noun /ˈseɡ.mənt/

Segment

部分; 段; 切分的部分
Meaning
each of the parts into which something is divided; a section or portion
Example
The orange was divided into eight segments.
橙子被分成了八个部分。
C2 noun /ˈspɒt.ɪd sneɪk hed/

Spotted snake head

斑点蛇头鱼
Meaning
a type of freshwater fish with spotted markings and an elongated head resembling a snake
Example
The spotted snake head is a popular fish for aquaculture in South Asia.
斑点蛇头鱼是南亚水产养殖中常见的鱼类。
C1 adjective /ˌsuːɪˈsaɪdəl/

Suicidal

自杀的
Meaning
relating to or having thoughts of killing oneself; extremely dangerous or harmful
Example
The reckless driving was suicidal behavior.
鲁莽的驾驶是一种自杀行为。
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 /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。
A1 adjective /ˈsɪmpəl/

Simple

简单的; 容易的; 不复杂
Meaning
easy to understand or do; not complicated
Example
This is a simple recipe that anyone can follow.
这是一个简单的食谱，任何人都可以跟随。
C2 adjective /ˈsloʊθfəl/

slothful

懒惰
Meaning
Lazy, idle, and unwilling to work.
Example
She was too slothful to get out of bed early.
她太懒了，早上不想从床上起来。
C1 adjective /ˈspɑːrtn/

spartan

斯巴达式
Meaning
showing simplicity and lack of luxury; austere
Example
He lived in a spartan room with just a bed and a chair.
他住在一个斯巴达式的房间里，只有一张床和一把椅子。
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 noun /ˈstrɪndʒənsi/

stringency

严格
Meaning
the quality of being strict, precise, or severe
Example
The stringency of the new rules surprised everyone.
新规则的严格性让所有人都感到惊讶。
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。
B2 adjective /ˈʃeɪ.ki/

Shaky

不稳定的; 发抖的; 不可靠的; 弱的
Meaning
unstable; trembling; unreliable; weak
Example
His voice was shaky with nervousness.
他的声音因紧张而颤抖。
C1 verb sɪˈkwɛstər

sequester

隔离, 隐藏
Meaning
To isolate or hide away.
Example
The carbon captured by trees can be sequestered for years.
树木捕获的碳可以被隔离多年。
B2 noun /ˌsɛlf ɪˈstiːm/

self-esteem

自尊
Meaning
confidence in one's own worth or abilities; self-respect
Example
Building self-esteem takes time and consistent effort.
建立自尊需要时间和持续的努力。
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。
B2 noun /sfɪər/

sphere

球体
Meaning
a round, three-dimensional shape that is perfectly symmetrical around its center; an area of activity or knowledge
Example
The Earth is almost a perfect sphere.
地球几乎是一个完美的球体。
B2 verb /ʃʌv/

shove

推
Meaning
to push someone or something roughly
Example
He shoved the box into the corner.
他把箱子推到角落里。
C2 noun /ˈsɪŋ.krə.ni/

synchrony

同步性
Meaning
Coordination in time, harmony in action or movement.
Example
Their dance performance showed perfect synchrony.
他们的舞蹈表演展示了完美的同步性。
B2 adverb /ˈstrɪktli/

strictly

严格
Meaning
in a way that follows rules or limits completely
Example
Smoking is strictly prohibited inside the building.
在大楼内吸烟是严格禁止的。