spiny
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
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。
C1 adjective ˌsɪn.əˈdʒɪs.tɪk

synergistic

协同的
Meaning
Relating to the interaction of elements that when combined produce a greater effect than the sum of their individual effects.
Example
A synergistic effect occurs when nutrients work together.
协同效应发生在营养素共同作用时。
C1 noun /ˌsɛnsɪtaɪˈzeɪʃən/

sensitization

敏感化
Meaning
The process of becoming sensitive to a substance, situation, or influence.
Example
The doctor warned about the sensitization caused by repeated exposure to chemicals.
医生警告了由于反复接触化学品引起的敏感化。
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。
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。
C1 noun /ˌstætʃuˈɛt/

statuette

小雕像
Meaning
A small statue, usually decorative or artistic.
Example
The artist won a gold statuette for his work.
艺术家因其作品获得了一座金色小雕像。
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。
C1 adjective /ˈseɪlaɪn/

Saline

盐水的; 含盐的
Meaning
containing salt; salty; relating to salt water
Example
The saline solution is used for medical treatments.
盐水溶液用于医学治疗。
C1 noun /ˈsæf.aɪər/

Saphire

蓝宝石
Meaning
a precious stone that is typically blue in color
Example
The royal crown was adorned with a large sapphire.
皇家王冠上镶嵌着一颗大蓝宝石。
C1 verb /ʃʌn/

Shun

回避
Meaning
to deliberately avoid or stay away from someone or something
Example
He shuns public attention and prefers privacy.
他避开公众注意并偏爱隐私。
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。
C1 noun /ˈstæl.i.ən/

stallion

用于繁殖的种马
Meaning
An adult male horse that is not castrated, often used for breeding.
Example
The farm owns a powerful stallion for breeding purposes.
农场拥有一匹强壮的种马用于繁殖。
C1 noun/verb /skɜːrdʒ/

scourge

Meaning
A source of great pain or punishment; to whip or inflict suffering on someone.
Example
Disease and poverty remain a scourge in many regions.
C1 verb /ˈsælvɪdʒ/

salvage

挽救
Meaning
To save something from loss, damage, or destruction.
Example
They managed to salvage some goods from the fire.
他们成功地从火灾中挽救了一些货物。
C1 adjective /ˈsɜːrvɪsəbl/

serviceable

可用
Meaning
fit for use; usable; in working order
Example
The old bicycle is still serviceable despite its age.
那辆旧自行车尽管年久失修,仍然可用。
C1 noun /ʃoʊl/

shoal

鱼群
Meaning
a large group of fish swimming together; a shallow place in water
Example
We saw a shoal of fish near the coast.
我们在海岸附近看到了鱼群。
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。
C1 adjective /ˈsʌbstəntɪv/

substantive

重要
Meaning
Having a firm basis in reality; important, meaningful, or considerable.
Example
The company made substantive changes to its policy.
公司对其政策进行了重要更改。
C1 noun /ˈstaɪləs/

stylus

触控笔
Meaning
a small tool used for writing, drawing, or touching screens
Example
She used a stylus to draw on her tablet.
她使用触控笔在平板电脑上绘画。
C1 noun /ˌsæl.jʊˈteɪ.ʃən/

Salutation

问候; 善意的表达
Meaning
a greeting; an expression of goodwill
Example
The letter began with a formal salutation.
这封信以正式的问候开始。
C1 noun /stɑːr fruːts/

Star Fruits

星形水果
Meaning
yellow tropical fruits that form a star shape when sliced crosswise; tangy and crisp taste
Example
When you slice star fruits, they look like beautiful yellow stars on your plate.
当你切开星形水果时,它们看起来就像盘子上的美丽黄色星星。
C1 noun /ˈstəʊ.ɪ.sɪ.zəm/

stoicism

斯多伊主义
Meaning
The endurance of pain or hardship without the display of feelings and without complaint.
Example
His stoicism during hardship was admirable.
他在困境中的斯多伊主义令人钦佩。
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。
C1 verb /səbˈsaɪd/

subside

减少
Meaning
to become less intense, violent, or severe; to sink or fall to a lower level
Example
After the storm, the floodwaters began to subside.
风暴过后,洪水开始退去。
C1 noun /ˈsɜːr.vɪ.tuːd/

Servitude

奴役
Meaning
the state of being a slave or completely subject to someone more powerful
Example
Many people fought to escape the servitude imposed by the colonial system.
许多人为了摆脱殖民制度所强加的奴役而斗争。
C1 noun sælˈveɪʃən

salvation

救赎
Meaning
Deliverance from sin and its consequences, believed by Christians to be brought about by faith in Christ.
Example
The story revolves around the theme of salvation.
故事围绕救赎的主题展开。
C1 noun /ˈsəʊdiəm/

sodium

Meaning
a soft, silver-white chemical element that is highly reactive and found in salt.
Example
Sodium is an essential element for maintaining fluid balance in the body.
钠是维持体内液体平衡的必需元素。
C1 adjective /sɪər/

Sear

枯萎的; 烧焦的; 干枯的
Meaning
withered; dried up; burned or scorched
Example
The sear leaves fell from the trees in autumn.
秋天枯萎的叶子从树上掉下来。
C1 noun /stɪˈlɛtoʊ/

stiletto

细高跟鞋 / 匕首
Meaning
A small, thin, high-heeled shoe or a dagger with a slender blade.
Example
She wore elegant stiletto heels to the party.
她穿着优雅的细高跟鞋去参加派对。
C1 noun, verb /səˈpiːnə/

subpoena

传票
Meaning
a legal document ordering someone to attend court; to summon someone with such a document
Example
The witness received a subpoena to appear in court next week.
证人收到了传票,要求下周出庭。
C1 noun /ˈsʌtlti/

subtlety

微妙
Meaning
The quality or state of being subtle.
Example
She understood the subtlety of the situation.
她理解了局势的微妙之处。
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。
C1 verb /skɔːrtʃ/

scorch

烧焦
Meaning
to burn the surface of something slightly
Example
The fire scorched the walls of the building.
火焰烧焦了建筑物的墙壁。
C1 noun /ˈsɪstərhʊd/

sisterhood

姐妹情谊
Meaning
The relationship between sisters, or a community of women united by shared experiences or goals.
Example
The feminist movement created a strong sense of sisterhood among women.
女权主义运动在女性中创造了强烈的姐妹情谊感。
C1 noun /sɪˈsɛʃən/

secession

分裂
Meaning
The action of formally withdrawing from membership of a federation or body.
Example
The secession of the southern states led to the Civil War.
南方各州的分裂导致了内战。
C1 noun /swiːt.laɪm/

Sweetlime

甜酸橙
Meaning
a citrus fruit that is sweeter and less acidic than regular lime
Example
The sweetlime juice was refreshing on a hot day.
甜橙汁在炎热的天气里令人耳目一新。
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 /ˈsætəˌraɪz/

satirize

讽刺
Meaning
to mock or criticize something using satire
Example
The play satirizes the greed of modern corporations.
这部剧讽刺了现代公司的贪婪。
C1 verb /səˈplænt/

supplant

取代
Meaning
To take the place of something or someone, often by force or strategy.
Example
Digital platforms have supplanted traditional newspapers.
数字平台已经取代了传统报纸。
C1 noun /ˈskep.tɪ.sɪ.zəm/

skepticism

怀疑主义, 疑虑
Meaning
A skeptical attitude; doubt as to the truth of something.
Example
His skepticism about new technology often makes him resistant to change.
他对新技术的怀疑主义使他常常抗拒改变。
C1 verb /ˈspɪərˌhɛd/

spearhead

领导
Meaning
to lead or initiate an action, project, or movement
Example
She spearheaded the campaign for environmental awareness.
她领导了环保意识的运动。
C1 verb /ˈskwɒbəl/

squabble

为琐事争吵
Meaning
To argue noisily over something small or unimportant.
Example
The children squabbled over the last piece of cake.
孩子们争论最后一块蛋糕。
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。
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 /skɪmp/

skimp

节省
Meaning
to use less of something than is necessary in order to save money or effort
Example
Don’t skimp on quality when buying a new laptop.
购买新笔记本时不要节省质量。
C1 adjective skiˈmæt.ɪk

Schematic

与图表相关或简短的
Meaning
Presenting some framework or concept briefly
Example
The engineer provided a schematic diagram of the project.
工程师提供了该项目的示意图。
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。
C1 verb /snɪər/

sneer

嘲笑
Meaning
to smile or speak in a mocking or contemptuous way
Example
She sneered at his attempt to sing.
她嘲笑他的唱歌尝试。
C1 verb /ˈsaɪdˌstɛp/

sidestep

回避
Meaning
To avoid something by stepping aside; to evade a problem or question indirectly.
Example
The politician tried to sidestep the difficult question.
那位政治家试图回避那个棘手的问题。
C1 adjective /ˈskɔːrnfəl/

Scornful

轻蔑的
Meaning
showing contempt or disdain; expressing scorn
Example
She gave him a scornful look when he made the rude comment.
当他做出粗鲁的评论时,她投以蔑视的目光。
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。
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 /sɔɪl ˈmæn.ɪdʒ.mənt/

soil management

土壤管理
Meaning
The application of operations, practices, and treatments to protect soil and enhance its performance.
Example
Proper soil management improves long-term agricultural productivity.
适当的土壤管理可以提高长期农业生产力。
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。
C1 adjective /ˈsʌl.ki/

Sulky

脾气坏且沉默; 易怒
Meaning
bad-tempered and sullen; moody
Example
The child became sulky when he couldn't get his favorite toy.
孩子变得脾气坏,因为他无法得到自己最喜欢的玩具。
C1 adjective /ˈseɪ.li.ənt/

salient

重要的,突出的或显著的
Meaning
Most important, prominent, or noticeable
Example
The report highlighted the salient points of the discussion.
报告突出讨论中的重点。
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 /stæɡˈneɪ.ʃən/

stagnation

停滞
Meaning
A state of inactivity or lack of growth, especially in an economy.
Example
High unemployment led to economic stagnation.
高失业率导致了经济停滞。
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。
C1 adjective /ˈskeɪðɪŋ/

scathing

尖锐的批评
Meaning
severely critical; harshly scornful
Example
The critic wrote a scathing review of the movie.
评论家写了一篇尖锐的电影评论。
C1 noun /səˈrɛn.ɪ.ti/

serenity

宁静
Meaning
The state of being calm, peaceful, and untroubled.
Example
Meditation helps in achieving inner serenity.
冥想有助于实现内心的平静。
C1 adjective /steɪd/

staid

严肃,受尊敬的
Meaning
Serious, respectable, and unadventurous.
Example
He came from a staid family background.
他来自一个严肃的家庭。
C1 verb /ˈsɔːntər/

saunter

Meaning
to walk in a slow, relaxed manner without hurry or effort
Example
We sauntered along the riverside, stopping now and then to watch the boats.
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。
C1 noun /ˈstjuːpər/

stupor

昏迷
Meaning
a state of near-unconsciousness or insensibility
Example
He remained in a stupor after hearing the shocking news.
他在听到令人震惊的消息后陷入昏迷。
C1 noun /ˈstændˌstɪl/

standstill

停滞
Meaning
a situation in which all movement or activity stops
Example
The traffic came to a standstill after the accident.
事故发生后,交通陷入了停滞。
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。
C1 adjective /ˈskɪtɪʃ/

skittish

紧张的
Meaning
easily frightened or nervous; unpredictable
Example
The horse was too skittish to ride.
那匹马太紧张,无法骑乘。
C1 noun /səˈnɑːtə/

sonata

音乐作品 (奏鸣曲)
Meaning
A musical composition for one or more instruments, typically in several movements.
Example
She performed a beautiful Beethoven sonata on the piano.
她在钢琴上演奏了贝多芬的美丽奏鸣曲。
C1 adjective /ˈskrʌmpʃəs/

scrumptious

美味的
Meaning
extremely tasty or delicious
Example
She baked a scrumptious chocolate cake for the party.
她为派对烤了一个美味的巧克力蛋糕。
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 /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 /struː/

strew

散播
Meaning
to scatter or spread things untidily over a surface or area
Example
Clothes were strewn across the floor.
衣服散落在地板上。
C1 /ʃrɛd/

shred

撕裂
Meaning
to tear or cut something into small pieces
Example
She shredded the old documents before throwing them away.
她在扔掉之前把旧文件撕成了碎片。
C1 verb /smɛlt/

smelt

冶炼
Meaning
to extract metal from its ore by heating and melting
Example
The workers smelt iron from its ore in the factory.
工人在工厂中从矿石中冶炼铁。
C1 noun /səˈbraɪəti/

sobriety

清醒
Meaning
the state of being sober; self-restraint and seriousness
Example
He has maintained his sobriety for five years.
他已经保持清醒五年了。
C1 noun /səˈlaɪ.və/

Saliva

唾液
Meaning
the watery liquid secreted into the mouth by glands
Example
The dentist asked her to rinse the saliva from her mouth.
牙医让她把口腔里的唾液漱掉。
C1 adjective /ˈspɛərɪŋ/

sparing

节俭 / 节制
Meaning
Using or giving only a little of something; economical.
Example
She is sparing in her use of words.
她在使用词语时很节省。
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。
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。
C1 verb /ˈsɪn.θə.saɪz/

synthesize

合成
Meaning
To combine a number of things into a coherent whole.
Example
Scientists synthesize new compounds for medical research.
科学家为医学研究合成新的化合物。
C1 noun ˈsɪnədʒi

synergy

协同作用, 合作
Meaning
The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.
Example
The synergy between the two companies led to a successful partnership.
这两家公司之间的协同作用促成了成功的合作关系。
C1 adjective /səˈdɪs.tɪk/

sadistic

施虐狂
Meaning
Deriving pleasure from inflicting pain or suffering on others.
Example
The villain had a sadistic smile while hurting his enemies.
恶棍在伤害敌人时露出了施虐狂的笑容。
C1 noun /sɪˈkluːʒən/

seclusion

隐居
Meaning
The state of being private, away from other people.
Example
She spent the weekend in complete seclusion in her cabin.
她在她的小屋里度过了完全的隐居周末。
C1 adverb /suːˈpɜːb.li/

Superbly

卓越地
Meaning
in an excellent or outstanding manner
Example
She performed superbly in the dance competition.
她在舞蹈比赛中表现得卓越地。
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 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。
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。
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 /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 noun /ˈsɛmbləns/

Semblance

表象; 外观
Meaning
the outward appearance or apparent form of something, especially when the reality is different
Example
There was only a semblance of order in the chaotic office.
在混乱的办公室里只有一种表象的秩序
C1 verb/noun /ˈswæɡ.ər/

swagger

傲慢
Meaning
To walk or behave in a very confident and arrogant way.
Example
He swaggered into the room as if he owned the place.
他走进房间,好像他是这个地方的主人。
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。
C1 adjective /seɪdʒ/

Sage

智慧的; 明智的; 经历过的人有判断力
Meaning
wise; showing wisdom from experience; prudent; having good judgment
Example
The sage advice from the elder helped solve the problem.
长者的智慧建议帮助解决了问题。
C1 adjective /ˈspɪndli/

spindly

细长而脆弱
Meaning
Long, thin, and weak-looking
Example
The spindly tree bent under the weight of the snow.
细长的树在雪的重量下弯曲。
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。
C1 verb /ˈstaɪfl/

stifle

抑制
Meaning
to prevent or restrain an action, idea, or emotion; to suffocate
Example
She tried to stifle a laugh during the serious meeting.
她试图在严肃的会议中抑制笑声。
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。
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 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。
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。
C1 noun/verb /spuːf/

spoof

幽默模仿
Meaning
A humorous imitation of something, or to trick or parody someone or something.
Example
The comedian spoofed the politician’s speech to entertain the audience.
喜剧演员模仿政治家的演讲来娱乐观众。
C1 adjective /ˌsekənd ˈreɪt/

second-rate

二流
Meaning
Of mediocre or inferior quality.
Example
The movie was entertaining but clearly second-rate compared to the original.
这部电影很有趣,但与原版相比明显是二流的。
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

自我克制
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
实践自我克制有助于避免冲动的决策。
C1 adjective /stjuːˈpɛndəs/

stupendous

惊人的
Meaning
extremely impressive; amazing in size, degree, or excellence
Example
The magician’s performance was simply stupendous.
魔术师的表演简直是惊人的。
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 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。
C1 verb /sɪˈdjuːs/

seduce

Meaning
to attract someone into doing something, especially something they might not normally do
Example
The advertisement was designed to seduce customers into buying luxury products.
C1 noun /ˈspɛktər/

specter

幽灵
Meaning
A ghost or spirit; something that causes fear or dread.
Example
The specter of war still haunts the region.
战争的幽灵仍然在该地区徘徊。
C1 noun /ˈsɜːrtʃɑːrdʒ/

surcharge

附加费
Meaning
an additional charge or payment added to the usual cost
Example
The airline ticket had a fuel surcharge added to it.
机票上加收了燃油附加费。
C1 noun /stɛntʃ/

stench

臭味
Meaning
A very strong and unpleasant smell.
Example
The stench of garbage filled the alley.
垃圾的臭味充满了小巷。
C1 adjective /ˈʃeɪp.ləs/

Shapeless

无形的
Meaning
having no definite or well-defined shape or form
Example
The fog created a shapeless mass in the distance.
雾气在远处形成了无形的团块。
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 adjective /ˈsaɪz.mɪk/

seismic

地震的
Meaning
Relating to earthquakes or vibrations of the earth and its crust.
Example
The region is known for its seismic activity.
该地区以其地震活动而闻名。
C1 adjective /ˈsæv.i/

savvy

聪明, 精明
Meaning
Having practical knowledge and the ability to make good judgments.
Example
She is a tech-savvy entrepreneur.
她是一位技术精通的企业家。
C1 adjective /ˈspaɪn.ləs/

Spineless

缺乏勇气; 意志薄弱; 胆小
Meaning
lacking courage or determination; weak-willed
Example
He was too spineless to stand up for his beliefs.
他太软弱,无法为自己的信仰站出来。
C1 adjective /ˈskwiːmɪʃ/

squeamish

容易感到恶心、头晕或反感
Meaning
easily made to feel sick, faint, or disgusted
Example
She felt squeamish at the sight of blood.
她看到血时感到恶心。
C1 adjective /suːˈpɜːr.flu.əs/

superfluous

多余的
Meaning
Unnecessary, especially through being more than enough.
Example
His speech contained too many superfluous details.
他的演讲包含了太多多余的细节。
C1 adjective ˌsɪmbɪˈɒtɪk

symbiotic

共生的
Meaning
Involving interaction between two different organisms living in close physical association.
Example
The relationship between the bee and the flower is symbiotic.
蜜蜂和花朵之间的关系是共生的。
C1 noun /ˈsɔː.dʌst/

sawdust

锯末
Meaning
The tiny particles of wood produced by sawing or sanding.
Example
The floor was covered with sawdust from the carpentry work.
地板上覆盖着来自木工工作的锯末。
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。