A2 noun steɪt

state

国家

Meaning

A nation or territory considered as an organized political community under one government.

Example

The state declared a new language policy.

国家宣布了一项新的语言政策。

B2 noun /ˈspɛk.tə.kəl/

spectacle

景象

Meaning

An impressive display or performance for viewers.

Example

The fireworks created a breathtaking spectacle in the night sky.

烟花在夜空中创造了一个惊人的景象。

C1 noun/verb /ˈskɜːrmɪʃ/

skirmish

Meaning

a small or brief fight between groups of soldiers; to engage in such a fight

Example

The soldiers got into a skirmish near the border.

C2 adjective /sɪər/

sere

干枯

Meaning

Dry or withered, especially vegetation.

Example

The sere leaves crumbled under his feet.

干枯的叶子在他的脚下碎裂。

B1 verb /səˈraʊnd/

surround

围绕

Meaning

To be all around someone or something.

Example

Mountains surround the small village.

山脉围绕着小村庄。

A2 noun /ˈsɒftweə/

software

软件

Meaning

the programs and other operating information used by a computer

Example

He installed the software to enhance the performance of his computer.

他安装了软件以提高计算机的性能。

B2 noun /səˈnɛərioʊ/

scenario

可能的情境

Meaning

a possible situation or sequence of events

Example

The company prepared for the worst-case scenario.

公司为最坏的情况做了准备。

B1 verb, adjective /spɛnt/

spent

花费的, 精疲力竭的

Meaning

Past tense and past participle of 'spend'; also used as an adjective meaning exhausted or used up.

Example

She spent all her energy preparing for the exam.

她为考试花费了所有的精力。

C2 adjective /ˈstɜːr.tər.əs/

stertorous

重呼吸声

Meaning

Characterized by heavy snoring or breathing.

Example

The patient’s stertorous breathing alarmed the nurses.

病人的重呼吸声让护士们感到惊讶。

B2 noun /ˈsleɪvəri/

slavery

Meaning

the system or state of being owned and forced to work for someone else

Example

Slavery was abolished in most countries in the 19th century.

B1 noun /stoʊv/

Stove

炉子

Meaning

a kitchen appliance used for cooking food by applying heat

Example

She cooked dinner on the gas stove.

她在煤气炉上做晚餐。

B2 adjective /suːˈpɪə.ri.ər/

Superior

卓越; 优于平均水平

Meaning

higher in rank, quality, or importance; better than average

Example

This product is superior to all others in the market.

该产品在市场上优于所有其他产品。

C1 adjective /səˈdʒɛstɪv/

suggestive

暗示的

Meaning

tending to suggest ideas or images; sometimes implies something sexual or provocative

Example

The painting was highly suggestive and sparked much debate.

这幅画非常暗示，并引发了许多争论。

B2 noun steɪks

stakes

赌注

Meaning

A strong wooden or metal post with a point at one end, driven into the ground.

Example

The stakes were high for the success of the project.

赌注对项目的成功至关重要。

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。

B2 noun /ˈʃuːtɪŋ/

shooting

拍摄

Meaning

the action of shooting a gun, camera, or similar device

Example

The shooting of the movie took several months.

电影的拍摄花费了几个月的时间。

B2 verb ˈsiːlɪŋ

sealing

封闭，密封

Meaning

The action of closing or blocking something to prevent entry or escape.

Example

Sealing cracks in the walls can prevent pests from entering.

密封墙壁上的裂缝可以防止害虫进入。

C2 adjective /sɪˈnɜːrdʒɪk/

synergic

协同的

Meaning

Working together in a cooperative and effective manner.

Example

The two departments have a synergic relationship that boosts productivity.

两个部门有着协同关系，促进了生产力的提高。

C1 noun ˈstræt.ə.sfɪər

stratosphere

平流层

Meaning

The layer of the earth's atmosphere above the troposphere, extending to about 50 km above the earth's surface.

Example

The stratosphere provides a unique environment.

平流层提供了一个独特的环境。

A2 adjective /sər'praɪz.ɪŋ/

Surprising

令人惊讶的; 出人意料的

Meaning

causing surprise; unexpected; remarkable

Example

It's surprising how quickly children learn new languages.

令人惊讶的是，孩子们学新语言的速度有多快。

C1 noun /speɪt/

spate

浪潮

Meaning

a large number of things occurring in quick succession

Example

There has been a spate of robberies in the city.

在城市中发生了一系列盗窃事件。

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。

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 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。

B2 adverb /ˈstɛdɪli/

steadily

稳定地

Meaning

in a regular and continuous way; without stopping or changing

Example

The company's profits have been increasing steadily.

公司的利润稳定增长。

C2 noun /ˈsteɪsɪs/ or /ˈstæsɪs/

stasis

停滯

Meaning

A state of inactivity or equilibrium; a situation where nothing changes.

Example

The negotiations reached a state of stasis with no progress made.

谈判达到了停滞状态，没有取得进展。

C1 noun /ˈstaɪpend/

Stipend

津贴

Meaning

a fixed regular sum paid as a salary or allowance

Example

The research student receives a monthly stipend for living expenses.

研究生每月获得生活费用津贴。

C2 noun /ˈsʌbtrəˌhɛnd/

subtrahend

被减数

Meaning

a number that is to be subtracted from another number

Example

In the equation 10 - 4, the number 4 is the subtrahend.

在等式 10 - 4 中，数字 4 是被减数。

B1 noun /swiːt pəˈteɪtoʊ/

Sweet potato

红薯

Meaning

A root vegetable with sweet flesh, typically orange or purple in color

Example

Roasted sweet potato makes a healthy and delicious side dish.

烤红薯是健康美味的配菜。

C1 noun /ˈsɛpərətɪst/

separatist

分裂主义者

Meaning

A person who supports the separation of a group from a larger body, often for political or cultural independence.

Example

The separatist group demanded independence from the central government.

分裂主义者要求中央政府独立。

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。

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 verb /stroʊk/

stroke

抚摸

Meaning

to move your hand gently over something; to hit or touch something gently

Example

She stroked the cat's fur gently.

她轻轻地抚摸着猫的毛发。

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。

C2 adjective /səˈdʒɛstəbəl/

suggestible

易受影响的

Meaning

easily influenced by the suggestions of others

Example

Children are highly suggestible and may believe what they are told.

孩子们很容易受到影响，可能会相信他们被告知的事情。

C1 adjective /sɪmˈplɪstɪk/

simplistic

过于简化的

Meaning

treating complex issues as if they were much simpler than they really are

Example

His explanation was too simplistic and ignored key details.

他的解释过于简化，忽略了关键的细节。

B1 adjective /sɪnˈsɪər/

Sincere

真诚的; 真实的; 无做作

Meaning

honest and genuine in expressing feelings; free from pretense or deceit

Example

She gave me a sincere apology for her mistake.

她为自己的错误真诚地道歉。

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。

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 /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。

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 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 noun /stiːl/

steel

钢铁

Meaning

a strong, hard metal made of iron and carbon

Example

The building was made from steel to ensure its durability.

建筑物是用钢铁建造的，以确保其耐久性。

B1 verb /ʃɪft/

shift

转移

Meaning

To move or change from one place, position, or situation to another.

Example

She had to shift her focus to the new project.

她不得不将注意力转向新项目。

C2 adjective /ˈsɪbɪlənt/

sibilant

带有嘶嘶声的

Meaning

Making or characterized by a hissing sound.

Example

The word 'snake' starts with a sibilant sound.

单词 'snake' 以西比兰特的声音开始。

C1 adjective /ˌsuː.pəˈsɒn.ɪk/

Supersonic

比声音的速度更快; 与超过声音速度的速度相关

Meaning

faster than the speed of sound; relating to speeds greater than the speed of sound

Example

The supersonic jet broke the sound barrier.

超音速飞机打破了音障。

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。

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 verb /sərˈvaɪv/

survive

生还

Meaning

To continue to live or exist after a difficult event or situation.

Example

He managed to survive the storm.

他成功地生还了风暴。

C2 verb /ˌsuːpərˈæd/

superadd

超级添加

Meaning

to add something to what has already been added

Example

The author chose to superadd a new chapter to the revised edition.

作者决定在修订版中超级添加一个新章节。

B2 verb /skriːtʃ/

screech

发出尖锐的声音

Meaning

to make a loud, high-pitched and unpleasant sound

Example

The car screeched to a halt.

那辆车发出了刺耳的声音并猛地停下。

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。

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。

C2 adjective /stəˈkɑː.təʊ/

staccato

断奏

Meaning

short and detached in sound or style, often used in music

Example

The pianist played the notes in a staccato rhythm.

钢琴家以断奏的节奏弹奏音符。

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。

A2 noun /sməʊk/

smoke

烟雾

Meaning

A visible suspension of carbon or other particles in air, typically one emitted from a burning substance.

Example

Smoke from vehicles worsens air quality.

车辆排放的烟雾会恶化空气质量。

A2 noun sɔːŋz

songs

歌曲

Meaning

A short poem or other set of words set to music or meant to be sung.

Example

Listen to songs to learn pronunciation.

听歌曲来学习发音。

A2 noun /saɪt/

sight

视力

Meaning

the ability to see or something that is seen

Example

The sight of the sunset took her breath away.

日落的景象让她屏住了呼吸。

B2 adjective /ˈslʌɡ.ɪʃ/

Sluggish

迟缓; 无力; 不活跃

Meaning

slow-moving; lacking energy or alertness; inactive

Example

The old computer became sluggish after running for hours.

那台旧电脑运行了几个小时后变得迟缓。

C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

间隔重复

Meaning

A learning technique that involves reviewing information at increasing intervals to improve long-term retention.

Example

Spaced repetition helps in long-term memory retention.

间隔重复有助于长期记忆保持。

C1 noun /sɪv/

sieve

筛子

Meaning

a utensil with a mesh or perforated bottom, used for straining or sifting

Example

She used a sieve to strain the pasta.

她用筛子过滤意大利面。

C1 adjective /ˈsɜːrvaɪl/ or /ˈsɜːrvəl/

servile

奴颜婢膝

Meaning

having or showing an excessive willingness to serve or please others

Example

His servile attitude annoyed his colleagues.

他的奴颜婢膝的态度让同事们感到烦恼。

A2 noun /ˈsɒkər/

soccer

足球

Meaning

a sport in which two teams of eleven players each try to score goals by kicking a ball into the opposing goal

Example

He loves to play soccer with his friends.

他喜欢和朋友们一起踢足球。

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。

C1 noun /ˈstɔːrhaʊs/

storehouse

仓库

Meaning

A place where goods, supplies, or valuables are stored; a repository

Example

The warehouse acted as a storehouse for all the imported goods.

这个仓库作为所有进口商品的storehouse。

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 noun /ˈsɪməli/

simile

明喻

Meaning

A figure of speech involving the comparison of one thing with another using 'like' or 'as'.

Example

She used a simile to describe her eyes as bright as stars.

她用明喻来描述她的眼睛像星星一样明亮。

B1 verb /stɛə/

stare

盯着

Meaning

to look at something with a fixed gaze

Example

She stared at the painting for hours.

她盯着画看了几个小时。

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 verb /skwɒʃ/

squash

压扁

Meaning

to crush or squeeze something with force so that it becomes flat or broken

Example

She accidentally squashed the bug with her shoe.

她不小心用鞋子压死了虫子。

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。

C1 adjective /ˈsæŋɡwɪn/

sanguine

乐观的

Meaning

Optimistic or positive, especially in a difficult situation.

Example

Despite the challenges, she remained sanguine about the future.

尽管面临挑战，她依然对未来保持乐观。

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, verb /slænt/

slant

偏见观点

Meaning

A particular point of view; to slope or lean in a particular direction.

Example

The article had a political slant.

文章有政治倾向。

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。

B1 noun /ˈseɪ.vɪŋz/

savings

储蓄

Meaning

Money that is saved, especially in a bank or official scheme for future use.

Example

Many people invest their savings in real estate.

许多人将他们的储蓄投资于房地产。

B1 adjective /səˈfɪʃənt/

Sufficient

足够的; 适合目的的; 满意的

Meaning

enough; adequate for the purpose; satisfactory

Example

We have sufficient time to complete the project.

我们有足够的时间来完成这个项目。

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。

A2 verb /ʃaɪn/

shine

闪耀

Meaning

to give out a bright light or glow

Example

The sun will shine brightly tomorrow.

太阳明天会明亮地照耀。

B2 verb /slæm/

slam

用力关门

Meaning

to close or hit something with great force

Example

He slammed the door angrily after the argument.

他在争论后愤怒地摔门。

C2 adjective /ˌsʌpəzɪˈtɪʃəs/

supposititious

假设的

Meaning

Based on assumption rather than fact; not genuine or authentic.

Example

The story turned out to be supposititious, with no evidence to support it.

这个故事证明是假的，没有证据支持它。

B1 noun /ˈsɜːvənt/

servant

仆人

Meaning

a person who performs duties for others, especially in a household

Example

The servant opened the door for the guests.

仆人为客人开门。

B2 adjective /suːˈpriːm/

Supreme

最高的

Meaning

highest in rank, authority, or quality; greatest; most important

Example

The Supreme Court made the final decision.

最高法院作出了最终决定。

C2 noun /ˈsteɪtkraft/

statecraft

治国艺术

Meaning

The art of governing and managing state affairs effectively.

Example

The leader was praised for his exceptional statecraft in handling international relations.

领导因其在处理国际关系方面的卓越治国艺术而受到赞扬。

C2 noun /stɛp/

steppe

草原

Meaning

A large flat area of unforested grassland, especially in southeastern Europe or Siberia.

Example

The nomads traveled across the vast steppe with their herds.

游牧民族带着他们的牲畜穿越辽阔的草原。

B1 adjective /səˈpəʊzd/

supposed

假定的

Meaning

generally believed or assumed, but not necessarily true

Example

This is the supposed solution to the problem.

这是问题的假定解决方案。

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 /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。

C2 verb /slʌf/ or /sluː/

slough

脱皮 / 沼泽区

Meaning

To shed or cast off (like dead skin); also a swampy or muddy area.

Example

The snake sloughed off its old skin.

蛇脱掉了它的旧皮肤。

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。

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。

B2 verb /səkˈsiːdɪŋ/

succeeding

随后的 / 后续的

Meaning

coming after or following in order; continuing to succeed

Example

In the succeeding years, the company expanded rapidly.

在随后的几年里，公司迅速扩展。

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。

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。

B1 noun /ˈstʌmək eɪk/

stomach ache

胃痛

Meaning

Pain in the stomach or abdominal area

Example

I have a stomach ache after eating too much.

我吃得太多后感到胃痛。

C2 adjective /sɛpˈtɛnɪəl/

septennial

每七年一次

Meaning

Occurring every seven years.

Example

The festival is a septennial tradition in the village.

这个节日是村里每七年一次的传统。

B1 noun /sɔːrs/

Source

源头; 来源

Meaning

a place, person, or thing from which something originates; the origin of information

Example

The river's source is high in the mountains.

这条河的源头位于群山之中。

B2 noun /ˌsuːpərˈvɪʒən/

supervision

监督

Meaning

the action or process of overseeing or managing something or someone

Example

The project was completed under the supervision of an experienced manager.

该项目在一位经验丰富的经理监督下完成。

B1 noun /ˈsɛtɪŋ/

setting

背景

Meaning

the environment or place where something happens

Example

The setting of the movie was a beautiful beach.

电影的背景是一个美丽的海滩。

C2 adjective /ˌsuː.pər.ɪˈrɑː.ɡə.tɔːr.i/

supererogatory

超额的

Meaning

Going beyond what is required or expected; more than necessary.

Example

His donation was supererogatory, far beyond what anyone had asked for.

他的捐赠是超额的，远远超过任何人要求的。

B2 noun /ˈstrʌk.tʃərz/

structures

结构

Meaning

Buildings or other objects constructed from several parts.

Example

The region has ancient structures.

这个地区有古老的结构。

C1 adjective sɪˈmæn.tɪk

semantic

与语言中的意义相关

Meaning

Related to meaning in language; concerning the interpretation of words and sentences.

Example

AI models use semantic analysis to understand context.

人工智能模型使用语义分析来理解上下文。

B2 noun /ˈʃɪpɪŋ/

shipping

运输

Meaning

the process of transporting goods

Example

The shipping of the products was delayed due to weather conditions.

由于天气原因，产品的运输被延迟了。

C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

神秘的

Meaning

Mysterious, enigmatic, or difficult to interpret

Example

Her sphinx-like smile made it hard to guess what she was thinking.

她的斯芬克斯式笑容让人难以猜测她在想什么。

A2 adjective /ˈsɪmələr/

Similar

相似的; 具有共同特点的

Meaning

alike; having characteristics in common

Example

The two sisters have similar interests in music.

这两姐妹在音乐方面有相似的兴趣。

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。

C2 noun /səbˈsɜːviəns/

subservience

奴性

Meaning

the condition of being too willing to obey or serve others

Example

His subservience to authority annoyed his colleagues.

他对权威的奴性让同事们感到烦恼。

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。

B2 adjective /ˈspɛʃəˌlaɪzd/

specialized

专门的

Meaning

designed or developed for a particular purpose or function

Example

He has a specialized knowledge of ancient civilizations.

他对古代文明有专门的知识。

B2 verb, noun, adjective /streɪ/

stray

迷路

Meaning

to move away from the correct path or go off course; a person or animal that has wandered off; something that is not where it belongs

Example

The dog strayed from the yard and got lost.

那只狗离开了院子，迷路了。

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。

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。

A2 adjective /swiːt/

Sweet

甜的; 亲切的; 迷人的

Meaning

having a pleasant taste; kind and gentle; pleasing

Example

She has a sweet voice that everyone loves to hear.

她有一个甜美的声音，人人都喜欢听。

B2 noun /steɪn/

Stain

污点; 斑点

Meaning

a colored patch or dirty mark that is difficult to remove; a blemish or damage to reputation

Example

There was a coffee stain on his white shirt.

他的白衬衫上有咖啡渍。

B2 verb /slæp/

slap

掌掴

Meaning

to hit someone quickly with the flat part of the hand; to strike sharply

Example

She was so angry that she slapped him across the face.

她生气得打了他的脸。

C1 noun /səˈlɪn.ə.t̬i/

salinity

盐度, 盐浓度

Meaning

The salt content of soil or water, typically measured as a concentration.

Example

The salinity of the ocean varies depending on depth and location.

海洋的盐度会根据深度和位置变化。

B2 verb /swer/

swear

发誓

Meaning

to use offensive language; to promise solemnly; to take an oath

Example

I swear to tell the truth.

我发誓说真话。

C1 noun /ˈsiːskeɪp/

seascape

海景

Meaning

A view or painting of the sea.

Example

The artist painted a beautiful seascape at sunset.

艺术家在日落时画了一幅美丽的海景。

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 adverb /sɪɡˈnɪfɪkəntli/

significantly

显著

Meaning

in a way that is large or important enough to have an effect

Example

The economy has significantly improved over the last decade.

过去十年中，经济显著改善。

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。