solstice
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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 /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。
C1 adjective /skænt/

Scant

稀少的
Meaning
barely sufficient; inadequate; small in amount
Example
There was scant evidence to support his claim.
支持他主张的证据非常少。
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 adjective /sɪɡˈnɪfɪkənt/

significant

重要的
Meaning
Sufficiently great or important to be worthy of attention; noteworthy.
Example
Social media has a significant impact on relationships.
社交媒体对人际关系有重要影响。
C2 adjective /ˌsuːdəˈrɪfɪk/

sudorific

促汗的
Meaning
causing or increasing sweating
Example
The doctor prescribed a sudorific drug to help reduce the fever.
医生开了一种促进出汗的药物来帮助减少发热。
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。
A1 noun /ˈswɪmɪŋ/

swimming

游泳
Meaning
the activity or sport of moving through water using the limbs
Example
Swimming is a great way to stay fit and healthy.
游泳是保持健康和身体健康的好方法。
A1 adjective /smɔːl/

Small

小的; 限制的; 狭窄的
Meaning
little in size; not large; limited in extent or amount
Example
She lives in a small apartment near the university.
她住在大学附近的一间小公寓里。
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。
A2 adjective /smuːð/

Smooth

平滑的; 无困难的; 流畅的
Meaning
having an even surface; without difficulties; flowing easily
Example
The road was smooth and comfortable to drive on.
这条路很平滑，开车很舒服。
B1 verb /stæmp/

stamp

Meaning
To bring down (one's foot) heavily on the ground; to imprint a mark or seal.
Example
She stamped her foot in frustration.
B2 noun /səˈspɪʃən/

Suspicion

怀疑
Meaning
a feeling or thought that someone is guilty of an illegal or dishonest activity
Example
The police arrested him on suspicion of theft.
警方以盗窃嫌疑逮捕了他。
C2 noun /sʌbˈɔːl.tən/

subaltern

处于下级职位的人；在军队中，初级军官
Meaning
A person holding a subordinate position; in the military, a junior officer.
Example
The subaltern was responsible for leading a small platoon of soldiers.
下级军官负责指挥一个小型士兵排。
B2 noun /ˈstiː.mər/

Steamer

蒸汽船
Meaning
a ship or boat powered by steam engines
Example
The old steamer crossed the river slowly.
老蒸汽船慢慢地渡过了河。
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。
C1 noun /səˈlɪləkwi/

soliloquy

独白
Meaning
a speech in which a character talks to themselves, often used in drama to reveal inner thoughts
Example
Hamlet's soliloquy is one of the most famous passages in Shakespearean drama.
哈姆雷特的独白是莎士比亚戏剧中最著名的段落之一。
B2 noun speɪs ɪksplɔːˈreɪʃən

space exploration

太空探索
Meaning
The investigation of outer space by means of manned and unmanned spacecraft.
Example
Space exploration has expanded our knowledge of the universe.
太空探索拓展了我们对宇宙的认识。
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。
B2 noun /ˈstæm.ɪ.nə/

Stamina

耐力
Meaning
the ability to sustain prolonged physical or mental effort
Example
Marathon runners need great stamina to complete the race.
马拉松选手需要强大的耐力才能完成比赛。
A1 noun /stɑːr/

Star

星星
Meaning
a fixed luminous point in the night sky that produces light and heat through nuclear fusion
Example
Thousands of stars are visible in the clear night sky.
数千颗星星在清澈的夜空中可见。
A2 noun /staɪl/

Style

风格
Meaning
a particular way of doing something; a distinctive appearance or manner of expression
Example
She has her own unique style of writing that captivates readers.
她有自己独特的写作风格，吸引了读者。
B2 verb /ˈsɪmpəθaɪz/

sympathize

同情
Meaning
to feel sorry for someone; to understand and share someone's feelings
Example
I sympathize with your loss.
我同情你的失去。
B2 verb /ˈsʌmən/

summon

Meaning
To order someone to come or to gather courage or strength.
Example
The king summoned his advisors to the court.
C2 noun /ˈsaɪ.ə.lɪz.əm/

sciolism

表面知识的假装
Meaning
pretentious show of superficial knowledge
Example
His speech was full of sciolism, impressing no one.
他的演讲充满了赛奥利主义，没有打动任何人。
C2 noun /ˌsɪmjʊˈleɪkrəm/

simulacrum

拟像
Meaning
an image or representation of someone or something; a superficial likeness
Example
The statue was only a simulacrum of the ancient god.
这座雕像仅仅是古代神灵的拟像。
B2 noun /səbˈskraɪbər/

subscriber

订阅者
Meaning
a person who receives or subscribes to a service, magazine, or service
Example
She is a subscriber to the monthly magazine.
她是每月杂志的订阅者。
C2 noun /sɪˈrɒkoʊ/

sirocco

炎热干燥的风
Meaning
A hot, dry wind blowing from North Africa across the Mediterranean to southern Europe.
Example
The sirocco made the city unbearably hot and dusty.
西罗科让这座城市变得极其炎热和尘土飞扬。
C1 noun, adjective, verb /ʃæm/

sham

虚假
Meaning
something that is not what it appears to be; a false or fake thing; to pretend
Example
The deal turned out to be a sham.
这笔交易被证明是虚假的。
C1 adjective /ˈsɛnʃənt/

sentient

有感觉的
Meaning
Able to perceive or feel things.
Example
Humans are sentient beings capable of reasoning.
人类是能够推理的感知生命。
B2 noun /ʃɪt/

shit

屎
Meaning
a vulgar term for feces or excrement
Example
The dog made a mess by leaving its shit on the floor.
狗在地板上留下了它的屎，弄得一团糟。
B1 noun /ˌsaʊθˈiːst/

southeast

东南
Meaning
the direction that is between south and east; a region in that direction
Example
The city is located in the southeast of the country.
这座城市位于该国的东南部。
B2 noun /sɪlk/

silk

丝绸
Meaning
a fine, smooth fabric made from the threads produced by silkworms
Example
The dress was made of pure silk.
这件裙子是用纯丝绸做的。
B1 noun /sleɪv/

slave

奴隶
Meaning
a person who is the legal property of another and is forced to work for them
Example
The abolitionist movement fought for the rights of slaves.
废奴主义者运动为奴隶的权利而奋斗。
C2 noun /spliːn/

spleen

脾脏; 愤怒
Meaning
an organ in the body that produces lymphocytes and filters blood; also refers to bad temper or spite
Example
He vented his spleen on his coworkers after the meeting.
会议后，他把愤怒发泄在同事身上。
B1 noun, verb /ʃeɪd/

shade

Meaning
a sheltered or darker area where direct light is blocked; to block light from something
Example
We sat under the tree for some shade.
B1 noun /seɪlz/

sales

Meaning
activities related to selling products or services
Example
The company saw a significant increase in sales during the holiday season.
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 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。
B1 verb /ʃaʊt/

shout

喊叫
Meaning
to say something very loudly
Example
He shouted at the top of his lungs to get their attention.
他尽可能大声地喊叫，以引起他们的注意。
B1 verb /ˈsʌfər/

suffer

遭受
Meaning
to experience pain, distress, or hardship
Example
She suffered from a severe headache all day.
她整天忍受剧烈的头痛。
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。
A2 noun /ˈsɪŋ.ər/

Singer

歌手
Meaning
a person who sings, especially as a job or profession
Example
The singer performed beautifully at the concert last night.
歌手昨晚在音乐会上表现得非常出色。
C2 adjective /ˈʃɪft.ləs/

shiftless

懒惰
Meaning
Lacking ambition or the ability to accomplish anything; lazy and unmotivated.
Example
He was seen as a shiftless young man with no goals.
他被看作是一个没有目标的懒惰年轻人。
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。
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 /ˈsɪlkən/

Silken

丝绸的; 柔软的; 光滑的;
Meaning
made of silk; smooth and soft like silk
Example
She wore a beautiful silken dress to the party.
她穿了一件漂亮的丝绸裙子去参加聚会。
C2 noun /ˌsɒ̃ˈfrwɑː/

sang-froid

冷静
Meaning
Composure or coolness, especially in difficult situations.
Example
The leader handled the crisis with remarkable sang-froid.
领导以非凡的冷静处理了这次危机。
B2 noun /stæns/

stance

立场
Meaning
a person's attitude, opinion, or position on an issue
Example
The company took a strong stance on environmental protection.
公司在环境保护问题上采取了强硬立场。
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。
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。
B1 noun /ˈsʌn.set/

Sunset

日落
Meaning
the time in the evening when the sun disappears below the horizon
Example
The romantic sunset painted the sky in golden colors.
浪漫的日落把天空涂上金色。
C1 adjective /ˈskeɪ.li/

Scaly

鳞片状的
Meaning
covered with scales; having a rough surface like scales
Example
The fish has scaly skin.
那条鱼有鳞片的皮肤。
B2 noun /səˈplaɪə(r)/

supplier

供应商
Meaning
a person or company that provides goods or services
Example
The supplier delivered the products on time.
供应商按时交付了产品。
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 verb /siːp/

seep

渗透
Meaning
to flow or leak slowly through small openings or pores
Example
Water began to seep through the cracks in the wall.
水开始通过墙上的裂缝渗透。
B2 noun sliːp ˌdɛprɪˈveɪʃən

sleep deprivation

睡眠不足
Meaning
The condition of not having enough sleep; lack of adequate sleep.
Example
Sleep deprivation can severely impact mental health.
睡眠不足可能严重影响心理健康。
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。
C1 adjective /ˈsɒnɪk/

sonic

音速的
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
喷气机突破声速壁垒时发出了巨大的爆炸声。
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。
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 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。
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。
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。
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。
C2 noun /ˈsɪmpəltən/

simpleton

傻瓜
Meaning
a foolish or gullible person
Example
They treated him like a simpleton who could not understand anything complex.
他们把他当作一个无法理解复杂事物的傻瓜对待。
B1 noun /ˈseɪ.lər/

Sailor

水手
Meaning
a person who works on a ship or boat; a member of a navy
Example
The experienced sailor navigated the ship through the storm.
经验丰富的水手驾船穿越风暴。
A2 noun /ˈstʌmək/

Stomach

胃
Meaning
the organ in the body where food is digested; the belly or abdomen
Example
My stomach hurts after eating too much.
吃太多后我的胃痛。
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。
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。
C1 noun /ˈstɪmjʊlənt/

stimulant

兴奋剂
Meaning
A substance that raises levels of physiological or nervous activity in the body.
Example
Coffee is a common stimulant that helps people stay awake.
咖啡是一种常见的兴奋剂，帮助人们保持清醒
C2 adjective /svelt/

svelte

苗条
Meaning
Attractively thin, graceful, and elegant in appearance or movement.
Example
She looked svelte in the elegant black dress.
她穿着优雅的黑色裙子看起来很苗条。
B1 noun, verb /strɪŋ/

string

线
Meaning
a thin piece of cord or thread; to tie or fasten with a string
Example
She tied the package with a string.
她用一根线绑了包裹。
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。
B2 verb /ˈsmʌɡəl/

smuggle

Meaning
to move goods illegally into or out of a country
Example
The gang tried to smuggle gold across the border.
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。
B1 noun /sɒk/

sock

Meaning
a piece of clothing worn on the foot and lower part of the leg.
Example
He put on a pair of clean socks before leaving the house.
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。
C1 adjective /ˈstætʃətɔːri/

statutory

法定的
Meaning
Required, permitted, or enacted by law.
Example
The company must comply with all statutory regulations.
公司必须遵守所有法定规定。
C2 noun /ˈsaʊər wʊd ˈæp.əl/

Sour wood apple

大象苹果
Meaning
a tropical fruit with hard shell and tangy flesh; elephant apple
Example
The sour wood apple has a unique taste that many people enjoy.
大象苹果有一种独特的味道，许多人喜欢。
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。
A2 adverb /ˈsʌm.weər/

Somewhere

某处
Meaning
in or at some place; in an unspecified location
Example
I left my keys somewhere in the house.
我把钥匙放在屋子里的某处。
B2 verb /ˈstræŋɡəl/

strangle

Meaning
to kill or stop someone or something by squeezing the throat or restricting flow
Example
The villain tried to strangle his opponent in the dark alley.
B1 adverb /spəˈsɪfɪkli/

specifically

特别地
Meaning
in a clear and exact way
Example
He was specifically asked to handle the finances.
他被特别要求处理财务。
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。
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。
C2 adjective /ˈstraɪ.eɪ.tɪd/

striated

条纹的
Meaning
marked with thin lines, grooves, or stripes
Example
The muscle fibers appeared striated under the microscope.
在显微镜下，肌肉纤维看起来是条纹的。
C1 adjective/verb /ˈsiːzənd/

seasoned

经验丰富的 / 加调料的
Meaning
Experienced in a particular activity; also, flavored with spices.
Example
She is a seasoned teacher with over 20 years of experience.
她是一位拥有超过20年经验的资深教师。
B2 verb /sɑːb/

sob

大声哭泣
Meaning
to cry noisily while taking short breaths
Example
She began to sob uncontrollably after hearing the news.
她在听到消息后开始无法控制地呜咽。
C1 noun /ˈstreɪnər/

Strainer

筛子
Meaning
a device having holes punched in it or made of crossed wires for separating solid matter from a liquid
Example
Use a strainer to drain the pasta water.
使用筛子把意大利面水倒掉。
B2 adjective /ˈsɛksi/

sexy

性感的
Meaning
sexually attractive or exciting
Example
She wore a sexy red dress to the party.
她穿着一条性感的红色连衣裙去参加派对。
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。
A2 noun /stɛə/

stair

楼梯
Meaning
a step or set of steps leading from one level to another
Example
He tripped on the stair and fell down.
他在楼梯上绊倒摔了下来。
B2 noun /ˈsɛm.ɪ.nɑːr/

seminar

研讨会
Meaning
A meeting for discussion or training, especially in an academic setting.
Example
The professor invited all students to attend the seminar on climate change.
教授邀请所有学生参加关于气候变化的研讨会。
C1 verb/noun /stuːp/

stoop

幸福
Meaning
To bend one's body forward and downward; also a small porch or staircase at the entrance of a house
Example
He had to stoop to pick up the coin.
当她收到奖项时，她无法隐藏自己的幸福。
B2 adjective /ˈsændi/

Sandy

沙的; 沙质的
Meaning
covered with sand; containing sand; having the texture of sand
Example
The sandy beach stretched for miles along the coast.
沙滩沿海岸延伸了几英里。
B2 noun /slɒt/

slot

插槽
Meaning
a narrow opening into which something fits or is placed
Example
Insert the card into the slot to open the door.
将卡片插入插槽以打开门。
A2 verb /sɜːrv/

serve

服务
Meaning
to provide service; to work for; to offer food or drink
Example
She serves breakfast at 8 AM every morning.
她每天早上8点提供早餐。
C2 adjective /sɪˈlæbɪk/

syllabic

音节的
Meaning
Relating to or based on syllables.
Example
The teacher explained the syllabic structure of the word.
老师解释了这个词的音节结构。
B1 noun /ˈspɛndɪŋ/

spending

Meaning
the act of paying money for goods or services
Example
Her spending on clothes was higher than expected.
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。
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。
A2 verb /swɪm/

swim

游泳
Meaning
to move through water using body movements
Example
I love to swim in the ocean during summer.
我喜欢在夏天在海洋中游泳。
B2 noun /ˈsæb.ə.tɑːʒ/

Sabotage

破坏
Meaning
deliberate destruction of equipment or disruption of activities
Example
The factory was shut down due to an act of sabotage.
由于破坏行为，工厂被关闭。
A2 noun /ˌsɪtʃuˈeɪʃən/

Situation

情况; 事态
Meaning
a set of circumstances in which one finds oneself; a state of affairs
Example
We need to assess the current situation before making any decisions.
我们需要在做出任何决定之前评估当前情况。
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。
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。
C1 noun səˌfɪs.tɪˈkeɪ.ʃən

sophistication

高度复杂性或精致的程度
Meaning
High level of complexity or refinement.
Example
The sophistication of modern AI technology is remarkable.
现代人工智能技术的复杂性令人惊叹。
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, verb /steɪk/

stake

股份, 风险
Meaning
A share or interest in a business or venture; to risk or support something of value.
Example
He has a major stake in the new company.
他在新公司拥有重大股份。
C2 noun /spjuːm/

spume

泡沫
Meaning
Froth or foam, especially found on waves or liquids.
Example
The waves crashed against the rocks, leaving spume in the air.
波浪撞击岩石，空气中留下泡沫。
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。
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。
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。
B1 adjective /ˈsɒlɪd/

solid

坚固
Meaning
firm and stable in shape; not liquid or fluid
Example
The ground was solid underfoot.
地面在脚下是坚固的。
B1 adverb /ˈsekəndli/

secondly

其次
Meaning
Used to introduce the second point in a list of arguments or ideas.
Example
Firstly, we need funding; secondly, we need a strong team.
首先，我们需要资金；其次，我们需要一支强大的团队。
C1 adjective /ˈsaʊnd.pruːf/

Sound-proof

隔音的; 防止声音进出
Meaning
impervious to sound; preventing sound from entering or leaving
Example
The recording studio has sound-proof walls.
录音室有隔音墙。
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。
C1 adjective /ˈsæk.rəˌsæŋkt/

sacrosanct

神圣不可侵犯的
Meaning
Regarded as too important or valuable to be interfered with; sacred.
Example
Freedom of speech is considered sacrosanct in democratic societies.
言论自由在民主社会中被视为神圣不可侵犯的。
B1 noun /ˈsæm.pəl/

Sample

样本
Meaning
a small part taken as an example of the whole; a specimen
Example
The doctor took a blood sample for testing.
医生取了一个血液样本进行测试。
C2 noun /sɒp/

sop

Meaning
a concession or appeasement to pacify someone; also a piece of bread dipped in liquid
Example
The manager offered a bonus as a sop to the unhappy employees.