B2 noun /ˈswɛər wɜːrd/

swear-word

脏话

Meaning

An offensive or rude word used to express anger or frustration.

Example

He shouted a swear-word when he hit his toe.

当他撞到脚趾时，他大喊了一句脏话。

C1 adjective /ˈskɛtʃi/

sketchy

不完整

Meaning

not thorough or detailed; suspicious or unsafe

Example

The details of the project were still sketchy.

项目的细节仍然不完整。

B2 verb /ˈʃætər/

shatter

打碎

Meaning

To break suddenly into many small pieces.

Example

The glass will shatter if you drop it.

玻璃会碎掉，如果你把它摔下去。

B2 noun /ˈsɜːvɪŋ/

serving

份

Meaning

a portion of food for one person; the act of giving food or drink to someone

Example

He ate a large serving of rice and curry.

他吃了一大份米饭和咖喱。

A2 modal verb /ʃæl/

shall

将

Meaning

used to express the future or indicate an intention or determination

Example

I shall return before sunset.

我将在日落之前回来。

C1 noun /ˈskaʊndrəl/

scoundrel

无赖

Meaning

a dishonest or unscrupulous person; a villain

Example

That scoundrel cheated the old man out of his savings.

那个无赖骗取了老人家的积蓄。

C1 noun /ˈsaɪd.laɪn dɪˈskʌʃənz/

sideline discussions

边缘讨论

Meaning

Informal or secondary conversations that occur outside the main agenda of a formal meeting.

Example

Sideline discussions often lead to agreements.

边缘讨论常常导致协议。

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。

C1 noun /ˈʃɜːrbət/

sherbet

雪葩

Meaning

a sweet flavored drink or a frozen dessert made from sweetened fruit juice

Example

On hot days, she enjoys a glass of lemon sherbet.

在炎热的日子里，她喜欢喝一杯柠檬雪葩。

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。

A1 verb /stɒp/

stop

停止

Meaning

to cease moving or operating; to halt; to prevent

Example

Please stop talking during the movie.

请在电影期间停止说话。

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。

B2 adjective /ˌsʌp.lɪˈmen.tər.i/

Supplementary

补充的; 附加的; 额外的

Meaning

completing or making an addition to something; additional; extra

Example

Students need to buy supplementary books for the course.

学生需要为课程购买补充书籍。

C2 verb /səˈbɔːrn/

suborn

贿赂

Meaning

to bribe or induce someone unlawfully to perform an act, especially to commit perjury

Example

The lawyer was accused of trying to suborn a witness.

律师被指控试图贿赂一名证人。

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。

B2 noun /ˌsuːvəˈnɪər/

Souvenir

纪念品

Meaning

a thing that is kept as a reminder of a person, place, or event; a memento

Example

I bought a small souvenir from the gift shop.

我在礼品店买了一个小纪念品。

B1 noun /ˈsmoʊkər/

smoker

吸烟者

Meaning

A person who smokes tobacco or other substances

Example

He is a heavy smoker and tries to quit every year.

他是一个吸烟者，每年都试图戒烟。

C2 noun /ˈswɑːvɪti/

suavity

优雅与魅力

Meaning

smoothness and charm in manner

Example

His suavity made him popular in social gatherings.

他的优雅与魅力使他在社交聚会中很受欢迎。

C1 noun /ˈsɪlk.wɜːrm/

Silk-worm

蚕

Meaning

the caterpillar of a moth that produces silk fibers used to make silk fabric

Example

Silkworms feed on mulberry leaves to produce silk.

蚕虫以桑叶为食，产生丝绸。

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。

B2 noun /sɪɡˈnɪf.ɪ.kəns/

Significance

重要性

Meaning

the quality of being worthy of attention; importance

Example

The discovery has great significance for medical research.

这个发现对医学研究具有重要意义。

C1 noun səˈlɪnɪti ɪnˈtruːʒən

salinity intrusion

盐水入侵

Meaning

The movement of salt water into freshwater areas, typically affecting coastal regions.

Example

Salinity intrusion affects coastal regions.

盐水入侵影响沿海地区。

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 /ˈsɛm.iˌsɜːr.kəl/

semicircle

半圆

Meaning

Half of a circle or something shaped like half of a circle.

Example

The students sat in a semicircle around the teacher.

学生们围绕老师坐成半圆形。

C2 adjective /ˈsed.j ə.l ə s/

Sedulous

勤奋的; 努力的;

Meaning

showing dedication and diligence; persistent and careful in work

Example

She was sedulous in her research, spending hours in the library every day.

她在研究中非常勤奋，每天都在图书馆度过数小时。

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。

B2 adjective /suːˈpɜːrb/

superb

极好的

Meaning

extremely good; excellent

Example

The hotel provided superb service during our stay.

酒店在我们停留期间提供了极好的服务。

A1 adjective strɒŋ

strong

强壮

Meaning

Having the power to move heavy weights or perform other physically demanding tasks.

Example

A strong defense secures victory.

强大的防守确保胜利。

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 noun /skɛtʃ/

sketch

素描

Meaning

a simple, rough drawing or outline

Example

He made a quick sketch of the landscape.

他画了一个快速的风景素描。

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。

B2 adjective /ˈʃæb.i/

Shabby

破旧的; 状况差的; 显示磨损迹象的; 不公平或残忍的

Meaning

worn out; in poor condition; showing signs of wear; unfair or mean

Example

His shabby clothes showed that he had been traveling for days.

他的破旧衣服显示他已经旅行了几天。

C2 verb /ˌsuːpərˈhiːt/

superheat

过热

Meaning

to heat a substance beyond its normal boiling point without it becoming vapor

Example

Engineers superheat the steam to increase the efficiency of the turbine.

工程师将蒸汽超热以提高涡轮机的效率。

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 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。

C2 noun /ˈsiːkənt/

secant

割线

Meaning

A straight line that intersects a curve at two or more points.

Example

In geometry, a secant cuts the circle at two distinct points.

在几何学中，割线在两个不同的点上切割圆形。

C1 noun /ˈskwɒlər/

squalor

贫困

Meaning

the state of being extremely dirty and unpleasant, especially due to poverty or neglect

Example

They lived in squalor without basic facilities.

他们在没有基本设施的贫困中生活。

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。

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。

A1 noun /sʌn/

son

儿子

Meaning

a male child of a parent

Example

His son is very talented in music.

他的儿子在音乐方面非常有才华。

B2 noun /ˈsɛntəmənt/

Sentiment

情感

Meaning

a feeling or opinion, especially one based on emotion; tender feelings of affection

Example

Public sentiment was strongly against the new policy.

公众舆论强烈反对这项新政策。

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 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 verb /ˈswɪndl/

swindle

欺骗

Meaning

to cheat someone out of money or possessions by deceit

Example

The con artist tried to swindle the old man out of his savings.

骗子试图骗取老人的储蓄。

C1 noun /ˌsʌb.stɪˈtjuː.ʃən/

substitution

替换

Meaning

the action of replacing someone or something with another

Example

The substitution of the old system with the new one was difficult.

将旧系统替换为新系统是困难的。

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。

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。

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。

B2 noun/verb /stʌmp/

stump

树桩，困惑

Meaning

the base of a tree left after the trunk is cut down; to puzzle or confuse

Example

The question completely stumped the students.

这个问题完全困扰了学生。

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。

B1 adjective /ˈsɪniər/

senior

高级

Meaning

having a higher rank or status; older or more experienced

Example

He is the senior manager in the department.

他是部门的高级经理。

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。

B2 noun /ˈspætʃ.ʊ.lə/

Spatula

刮刀

Meaning

a kitchen utensil with a flat, flexible blade used for mixing, spreading, or lifting food

Example

I used a spatula to flip the pancakes in the pan.

我用刮刀翻转平底锅里的煎饼。

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。

B1 noun /slaɪs/

Slice

切片; 薄片

Meaning

a thin, flat piece cut from something larger

Example

Would you like a slice of pizza?

你想要一片披萨吗?

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。

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 adjective/noun /ˈsʌkjələnt/

succulent

多汁的

Meaning

Juicy or full of juice; also refers to a plant with thick, fleshy leaves adapted to storing water.

Example

The steak was so succulent that everyone enjoyed it.

这块牛排多汁到每个人都喜欢。

B2 verb /sɪp/

sip

小口喝

Meaning

to drink in small quantities; to taste carefully

Example

She sipped her tea slowly while reading the newspaper.

她一边读报纸一边慢慢地小口喝茶。

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。

C2 noun /ˈskʌl.i.ən/

scullion

厨房仆人

Meaning

a servant assigned the most menial kitchen tasks

Example

In medieval times, a scullion was responsible for cleaning pots and pans.

在中世纪，厨房仆人负责清洁锅碗和煎锅。

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 noun /səbˈdʌk.ʃən/

subduction

地壳的一个层次向下移动，进入下方的地幔。

Meaning

The lateral and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.

Example

The Pacific Ring of Fire is an area of intense subduction.

太平洋火环是一个强烈的俯冲区域。

C1 adjective, verb /sɪˈdeɪt/

sedate

镇静

Meaning

calm, quiet, and composed; or to administer a drug to make someone calm or sleep

Example

The nurse sedated the patient before the operation.

护士在手术前给病人注射了镇静剂。

A2 adjective /ˈsɛvənθ/

seventh

第七

Meaning

constituting number seven in a sequence; coming after the sixth

Example

Her birthday is on the seventh of July.

她的生日是七月七日。

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。

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 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。

A2 noun səˈsaɪəti

society

社会

Meaning

The aggregate of people living together in a more or less ordered community.

Example

Society plays a pivotal role in shaping an individual's values.

社会在塑造个体价值观方面发挥着重要作用。

A2 adjective /sɔft/

Soft

柔软; 温柔; 安静

Meaning

not hard or firm; gentle; quiet; tender

Example

The pillow is very soft and comfortable.

枕头很柔软，且很舒服。

B1 verb /ʃuːt/

shoot

射击 / 拍照

Meaning

to fire a bullet or arrow from a weapon; to take a photograph or film

Example

He learned how to shoot a bow and arrow.

他学会了如何用弓和箭射击。

C2 verb /ˈsɪn.tɪ.leɪt/

scintillate

闪烁

Meaning

to sparkle or shine brightly; to emit flashes of light

Example

The diamond ring scintillated under the bright lights.

钻石戒指在明亮的灯光下闪耀。

C2 noun /ˈsælvoʊ/

salvo

齐射

Meaning

A simultaneous discharge of guns or release of bombs; a sudden outburst of cheers or applause.

Example

The soldiers fired a salvo to honor the fallen general.

士兵们开了一轮齐射，以向已故将军致敬。

B2 verb /slæʃ/

slash

切割

Meaning

to cut with a sharp blade; to reduce drastically

Example

The company slashed prices to attract more customers.

公司大幅削减价格以吸引更多顾客。

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 verb /straɪv/

strive

奋斗

Meaning

To make great efforts to achieve or obtain something.

Example

She strives to be the best student in her class.

她努力成为班里最好的学生。

A2 adverb /ˈslaɪtli/

slightly

略微

Meaning

to a small degree or extent

Example

The temperature has slightly increased today.

今天温度略有上升。

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。

B1 adjective /ˌstreɪt ˈfɔːr.wərd/

Straight forward

诚实直率; 不复杂; 容易理解

Meaning

honest and open; not complicated; easy to understand

Example

His explanation was very straightforward and easy to follow.

他的解释非常直白，并且易于理解。

C2 adjective /səˈprɛsəbl̩/

suppressible

可抑制的

Meaning

capable of being restrained, controlled, or prevented

Example

The symptoms of the disease are suppressible with medication.

疾病的症状可以通过药物抑制。

B2 verb /suːð/

soothe

安抚

Meaning

to calm or comfort; to relieve pain or distress

Example

The mother soothed her crying baby with a gentle lullaby.

妈妈用温柔的摇篮曲安抚她哭泣的宝宝。

B2 noun /ˌsuː.pərˈstɪʃ.ən/

Superstition

迷信

Meaning

a belief or practice considered irrational or supernatural

Example

Breaking a mirror brings seven years of bad luck is a common superstition.

打破镜子带来七年的厄运，这是一种常见的迷信。

B2 verb /straɪd/

stride

大步走；取得进展

Meaning

to walk with long, decisive steps; to make progress

Example

She strode confidently across the stage.

她自信地走过舞台。

C1 noun /ˈsʌn.stroʊk/

Sunstroke

中暑

Meaning

a serious condition caused by overheating from prolonged exposure to high temperatures

Example

The worker suffered from sunstroke after working outside all day.

工人在外面工作了一整天后中暑了。

C1 noun ˈsɛlfləsnɪs

selflessness

无私

Meaning

The quality of being concerned more with the needs of others than with one's own.

Example

Selflessness is a key value for community building.

无私是社区建设中的关键价值。

B2 adjective /slɪk/

slick

光滑的

Meaning

Smooth, clever, or efficient, often in a way that seems superficial.

Example

He gave a slick presentation to impress the investors.

他做了一个光滑的演示，以打动投资者。

C1 verb /sɪˈsiːd/

secede

脱离

Meaning

To formally withdraw from a political or organizational union.

Example

Several states threatened to secede from the union.

几个州威胁要脱离联邦。

A2 verb /saɪn/

sign

签名

Meaning

to write your name on something to show agreement or approval; to make a gesture with meaning

Example

Please sign the contract at the bottom of the page.

请在页面底部签署合同。

C2 noun ˈsɒmnələns

somnolence

嗜睡

Meaning

A state of drowsiness or sleepiness; inclination to sleep.

Example

The somnolence after a heavy meal made it hard to concentrate.

一顿重餐后的嗜睡让人难以集中注意力。

B2 verb /smæʃ/

smash

打破

Meaning

to break something into pieces violently

Example

She smashed the glass in frustration.

她因沮喪而摔碎了玻璃。

A2 adverb /ˈʃʊə.li/

Surely

肯定

Meaning

without doubt; certainly

Example

You will surely pass the exam if you study hard.

如果你努力学习，你肯定会通过考试。

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.

苏尔马鱼

Meaning

a freshwater fish species found in the Surma river system of Bangladesh and northeastern India

Example

Surma fish is native to the rivers of Sylhet region.

苏尔马鱼是西莱特地区河流的本土鱼类。