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B2 noun /ˈsɪɡ.nə.tʃər/

Signature

签名
Meaning
a person's name written in their own handwriting as identification or authorization
Example
Please put your signature at the bottom of the document.
请在文件底部签名。
B2 noun /ˌsɛkʃuˈæləti/

sexuality

性别认同
Meaning
a person's capacity for sexual feelings and orientation
Example
She spoke openly about her sexuality and identity.
她公开谈论了她的性别认同和身份。
B2 noun /ˈsiː.mən/

Seaman

海员
Meaning
a person who works on a ship; sailor
Example
The experienced seaman navigated the ship through the storm.
经验丰富的海员在风暴中导航。
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。
B2 noun /ˈskuːtər/

scooter

滑板车
Meaning
a small two-wheeled vehicle powered by an engine or electricity
Example
She rides a scooter to work every day.
她每天骑滑板车去上班。
B2 verb /skwiːz/

squeeze

挤压
Meaning
to press something firmly, especially from all sides in order to extract or compress it
Example
She squeezed the toothpaste to get the last bit.
她挤压牙膏管,想把最后一点挤出来。
B2 adjective /ˈsɒl.ɪ.ter.i/

Solitary

孤独; 隔离; 单独
Meaning
alone; without companions; single; isolated
Example
He lived a solitary life in the mountains.
他在山中过着孤独的生活。
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。
B2 adjective /ˈsteɪʃəˌneri/

stationary

静止
Meaning
Not moving or not intended to be moved.
Example
The car remained stationary at the red light.
汽车在红灯前保持静止。
B2 noun /ˈsɒlɪtjuːd/

solitude

孤独
Meaning
The state or situation of being alone.
Example
Solitude can provide the opportunity for deep reflection.
孤独可以提供深刻反思的机会。
B2 verb /soʊ/

sow

播种
Meaning
to plant seeds in the ground; to scatter seeds for growing
Example
The farmer will sow wheat seeds in the field tomorrow.
农民明天将在田地里播种小麦种子。
B2 adjective /səkˈsɛsɪv/

Successive

连续的; 连续的
Meaning
following one after the other in order; consecutive
Example
The team won three successive matches.
球队赢得了三场连续的比赛。
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。
B2 noun /ˈsəʊ.ʃəl.ɪ.zəm/

socialism

社会主义
Meaning
An economic system where the means of production are owned by the state or community.
Example
In socialism, resources are distributed equally among citizens.
在社会主义中,资源在公民之间平等分配。
B2 verb /ˈstrɛŋkθən/

strengthen

增强
Meaning
To make or become stronger.
Example
Communication can strengthen bonds between people.
沟通可以增强人们之间的联系。
B2 adjective /ˈskɪni/

Skinny

瘦的; 皮包骨的; 骨瘦如柴
Meaning
very thin; having little flesh or fat on the body
Example
The skinny cat looked like it hadn't eaten for days.
那只瘦猫看起来像是几天没吃东西了。
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。
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 /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。
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。
B2 adjective /ˈspɪr.ɪ.tʃu.əl/

Spiritual

精神的; 宗教的; 神圣的
Meaning
relating to the human spirit or soul; religious or sacred
Example
She found spiritual peace through meditation.
她通过冥想找到了精神的平静。
B2 noun, adjective /ˈsoʊʃəlɪst/

socialist

社会主义者
Meaning
a person who advocates for socialism; relating to socialism
Example
He is a well-known socialist writer.
他是一个著名的社会主义作家。
B2 noun /ˈʃəʊ.keɪs/

showcase

展示柜,吸引或有利地展示某物
Meaning
A display case or exhibition; to present something in an attractive or favorable way.
Example
The exhibition showcased the artist's best works.
展览展示了艺术家的最佳作品。
B2 noun /ˈsoʊlər ɪˈklɪps/

Solar eclipse

日全食
Meaning
an eclipse in which the sun is obscured by the moon passing between it and the earth
Example
The solar eclipse will be visible from our city next month.
下个月我们城市将能看到日全食。
B2 noun/verb /swɑːmp/

swamp

沼泽
Meaning
An area of low-lying, uncultivated ground where water collects; a bog or marsh.
Example
The village was built near a swamp.
村庄建在一个沼泽附近。
B2 noun /stɪŋk/

Stink

臭味; 恶臭
Meaning
a strong unpleasant smell; bad odor
Example
The garbage created a terrible stink in the kitchen.
垃圾在厨房里产生了可怕的臭味。
B2 adverb /ˈsɒftli/

softly

轻声或平静地
Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
她轻声说话以免吵醒宝宝。
B2 noun /spekˈteɪtər/

Spectator

观众
Meaning
a person who watches at a show, game, or other event; an observer
Example
The stadium was filled with excited spectators.
体育场坐满了兴奋的观众。
B2 noun /ˈskɒlərʃɪp/

scholarship

奖学金
Meaning
an award or grant to support a student's education
Example
She received a scholarship to study abroad.
她获得了一项奖学金,以便出国留学。
B2 noun /ˈsɑːrdʒənt/

sergeant

中士
Meaning
A rank of non-commissioned officer in the armed forces or police.
Example
The sergeant gave orders to the soldiers before the mission.
中士在任务前向士兵发出命令。
B2 noun /ˈskændəl/

scandal

丑闻
Meaning
an event or action that causes public outrage or damage to one's reputation
Example
The politician's affair became a public scandal.
那位政治家的私 affair 成为了公共丑闻。
B2 adverb ˌsɪməlˈteɪnɪəsli

simultaneously

同时
Meaning
At the same time; occurring or existing at the same time.
Example
He worked on two projects simultaneously.
他同时在做两个项目。
B2 adjective /ˈstaɪ.lɪʃ/

Stylish

时尚和有吸引力;在外观上有优雅或品味
Meaning
fashionable and attractive; having elegance or taste in appearance
Example
She wore a stylish dress to the party.
她穿着一件时尚的裙子参加派对。
B2 noun /ˈskʌlp.tʃər/

Sculpture

雕塑; 通过雕刻制作的艺术品
Meaning
the art of making objects by carving; a work of art made by carving
Example
The museum displays ancient Greek sculpture.
博物馆展示了古希腊雕塑。
B2 adjective /ˈʃɔːrt ˌtempərd/

Short-tempered

易怒的; 容易生气的
Meaning
quick to lose one's temper; easily angered
Example
She became short-tempered when the traffic made her late for the meeting.
当交通让她迟到时,她变得很暴躁。
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。
B2 adjective /ˈsoʊloʊ/

solo

独奏
Meaning
performed by one person alone; a single performance
Example
She decided to perform a solo dance at the talent show.
她决定在才艺表演中做独舞表演。
B2 verb /skrʌb/

scrub

擦拭
Meaning
To rub hard so as to clean, typically with a brush and water.
Example
Excessive scrubbing of the eyes is harmful.
过度擦眼睛对身体有害。
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。
B2 verb /ˈʃɔːrtn/

shorten

缩短
Meaning
To make something shorter in length, duration, or extent
Example
She decided to shorten her speech to fit the time limit.
她决定缩短她的演讲以符合时间限制。
B2 adverb /səˈpəʊzɪdli/

supposedly

据说
Meaning
used to show that something is believed or claimed to be true, though it may not be
Example
He is supposedly the best player on the team.
据说他是队里最好的球员。
B2 adverb /sɪˈvɪərli/

severely

严重地
Meaning
to a great degree; very seriously or harshly
Example
The patient was severely injured in the accident.
患者在事故中受了重伤。
B2 noun /ˈskɔːr.pi.ən/

Scorpion

蝎子
Meaning
a small creature with eight legs, two claws, and a curved tail with a poisonous sting
Example
The scorpion hid under the rock during the day.
蝎子在白天藏在石头下。
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。
B2 adjective /stɜːrn/

Stern

严格的;严厉的
Meaning
serious and demanding exact conformity to rules; strict and severe
Example
The teacher gave the students a stern warning about cheating.
老师给学生们关于作弊的严厉警告。
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。
B2 adjective ˈstrʌktʃərd

structured

结构化
Meaning
Having a clear organization or framework; systematically arranged.
Example
A structured execution plan is crucial for success.
一个结构化的执行计划对于成功至关重要。
B2 noun sɛlf rɪˈlaɪ.əns

self-reliance

自给自足
Meaning
Reliance on one's own powers and resources rather than those of others; independence.
Example
Self-reliance helps build confidence.
自给自足帮助建立自信。
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。
B2 adjective sɪˈvɪər

severe

严重的
Meaning
Very great; intense or extreme in degree.
Example
Without action, climate change impacts will become severe.
如果没有行动,气候变化的影响将变得严重。
B2 noun ˌspɛk.jʊˈleɪ.ʃən

speculation

投机
Meaning
Investment in stocks, property, or other ventures in the hope of gain but with the risk of loss.
Example
Stock market speculation can lead to high volatility.
股市投机可能导致高波动性。
B2 noun /sɪˈver.ə.ti/

Severity

严重性; 严厉; 强度
Meaning
the quality of being extremely serious or harsh; intensity of something bad
Example
The severity of the storm caused widespread damage across the city.
风暴的严重性在整个城市造成了广泛的破坏。
B2 adjective /ˈʃeɪm.fəl/

Shameful

可耻的; 不光彩的; 令人尴尬的
Meaning
causing shame; disgraceful; embarrassing
Example
His shameful behavior embarrassed the entire family.
他可耻的行为让整个家庭感到尴尬。
B2 adjective /səˈbɜːrbən/

suburban

郊区的
Meaning
relating to or characteristic of a suburb or the people living there
Example
They bought a house in a quiet suburban area.
他们在一个安静的郊区买了一栋房子。
B2 noun /stɑːˈveɪ.ʃən/

Starvation

饥饿
Meaning
suffering or death caused by lack of food; extreme hunger
Example
Many people died of starvation during the famine.
许多人在饥荒期间死于饥饿。
B2 adjective /səbˈstæn.ʃəl/

Substantial

实质的; 相当的; 重要的
Meaning
large in size, amount, or importance; considerable; significant
Example
There was a substantial increase in sales this quarter.
本季度销售量有了显著增加。
B2 noun /ˈʃʌv.əl/

Shovel

铲子
Meaning
a tool with a broad flat blade and long handle used for digging and moving earth, snow, or other materials
Example
He grabbed a shovel to clear the snow from the driveway.
他拿起铲子清理车道上的雪。
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。
B2 noun /ˈspɔːrtsmən/

sportsman

运动员
Meaning
A person who is skilled in sports or enjoys participating in athletic activities.
Example
He is a true sportsman, always fair and respectful to his opponents.
他是一个真正的运动员,总是对对手公平和尊重。
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。
B2 adjective /ˈspiː.di/

Speedy

快速的; 极速的; 敏捷的;
Meaning
moving or happening quickly; fast
Example
The speedy delivery service arrived within an hour.
快速的送货服务在一小时内到达。
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。
B2 verb ˈstɪmjəleɪt

stimulate

刺激
Meaning
To encourage or promote the development or growth of something
Example
Proper sunlight stimulates plant growth.
适当的阳光刺激植物生长。
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。
B2 noun /ˌspeʃiˈælɪti/

Speciality

专长
Meaning
a particular area of activity or interest that someone focuses on; expertise in a specific field
Example
His speciality is Italian cuisine.
他的专长是意大利菜肴。
B2 verb /sniːk/

sneak

Meaning
to move quietly and secretly to avoid being noticed
Example
He tried to sneak into the house without waking anyone.
B2 noun ˈsɛv.ən ˈwʌn.dərz

Seven Wonders

世界七大奇迹
Meaning
The seven most remarkable and famous structures in the world, representing architectural feats and cultural significance.
Example
The Seven Wonders of the world reflect human brilliance.
世界七大奇迹反映了人类的辉煌。
B2 verb /spɪt/

spit

吐口水
Meaning
to force liquid, especially saliva, out of the mouth
Example
He spat on the ground in anger.
他因愤怒在地上吐口水。
B2 noun /ˈʃɛərˌhoʊldər/

shareholder

股东
Meaning
an individual or organization that owns shares in a company
Example
Each shareholder has the right to vote at the annual meeting.
每个股东都有权在年度大会上投票。
B2 adverb /ˈsoʊʃəli/

socially

社交地
Meaning
in a way that relates to society or social interaction
Example
He is very active socially and attends many events.
他在社交方面非常活跃,参加了许多活动。
B2 noun /ˈsteɪdiəm/

stadium

Meaning
a large structure with seating for sports, concerts, or other events
Example
Thousands of fans filled the stadium to watch the final match.
B2 verb /səˈsteɪn/

sustain

维持
Meaning
To support, maintain, or keep something going over time.
Example
The team worked hard to sustain their success.
团队努力工作以维持他们的成功。
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。
B2 noun /ˈswɒl.oʊ/

Swallow

燕子
Meaning
a small migratory bird with long wings and a forked tail
Example
The swallow built its nest under the roof.
燕子在屋顶下筑巢。
B2 noun /ˈsɪɡ.nəlz/

signals

信号
Meaning
A gesture, action, or sound conveying information or instructions.
Example
Signals from deep space were detected last week.
上周探测到了来自深空的信号。
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。
B2 verb /stɜːr/

stir

搅拌
Meaning
to mix or move something in a circular motion, especially in liquid
Example
She stirred the soup to make sure it didn't burn.
她搅拌汤,以确保它不会烧焦。
B2 noun, verb /skruː/

screw

带螺旋的金属紧固件;用螺丝把东西固定或拧紧
Meaning
a metal fastener with a helical ridge; to fasten or tighten something with a screw
Example
He screwed the shelf to the wall tightly.
他把架子牢牢地固定在墙上。
B2 noun ˈsiːzənəl ˈvedʒtəbəlz

seasonal vegetables

季节性蔬菜
Meaning
Vegetables that grow during specific seasons or times of the year
Example
Seasonal vegetables grow abundantly in winter.
季节性蔬菜在冬季大量生长。
B2 noun /sneɪl/

Snail

蜗牛
Meaning
a small soft creature with a shell on its back that moves very slowly
Example
The snail left a shiny trail as it crawled across the leaf.
蜗牛在叶子上爬行时留下了一条闪亮的痕迹。
B2 noun /soʊp keɪs/

Soap case

肥皂盒
Meaning
a container used to store soap
Example
She bought a beautiful soap case for the bathroom.
她为浴室买了一个漂亮的肥皂盒。
B2 noun /ˈsuː.ɪ.saɪd/

Suicide

自杀
Meaning
the act of intentionally killing oneself
Example
Mental health professionals work to prevent suicide.
心理健康专家致力于预防自杀。
B2 verb /ˈspɛsɪfaɪ/

specify

指定
Meaning
to state or describe something clearly and exactly
Example
Please specify the time and place of the meeting.
请明确指定会议的时间和地点。
B2 noun /ˈsɜːr.plʌs/

surplus

盈余
Meaning
An amount that is more than what is needed.
Example
The country has a surplus of food this year.
今年该国的食品盈余。
B2 noun /ˈsuːpəvaɪzə(r)/

supervisor

监督员
Meaning
a person who manages or directs the work of others
Example
The supervisor checked the progress of each employee.
主管检查了每个员工的进展。
B2 noun ˌsɛlf ˈdɪs.ə.plɪn

self-discipline

自律
Meaning
The ability to control one's emotions and behavior.
Example
Self-discipline is crucial for achieving long-term success.
自律对于长期成功至关重要。
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。
B2 noun /ˈsɪləbəs/

syllabus

教学大纲
Meaning
An outline or summary of topics to be covered in a course of study.
Example
The professor handed out the syllabus on the first day of class.
教授在第一天的课上发放了教学大纲。
B2 verb, noun /ʃeɪv/

shave

刮胡子
Meaning
To remove hair from the body, typically using a razor; the act of removing hair
Example
He likes to shave every morning before work.
他喜欢每天上班前刮胡子。
B2 noun /skʌl/

Skull

头骨
Meaning
the bony framework of the head that protects the brain
Example
The doctor examined the skull X-ray carefully.
医生仔细检查了头骨的X光片。
B2 adjective /ˈsiː.z ə n.əl/

Seasonal

季节性
Meaning
relating to or occurring in a particular season; changing according to the seasons
Example
Many businesses hire seasonal workers during the holidays.
许多公司在假期期间雇用季节性工人。
B2 noun /ˈstɛriəˌtaɪp/

stereotype

刻板印象
Meaning
A widely held but oversimplified and fixed idea of a particular type of person or thing.
Example
It is a stereotype that all gamers are antisocial.
所有玩家都是反社会的,这是一种刻板印象。
B2 adjective /slæk/

slack

松弛
Meaning
not tight, firm, or busy; lacking tension or activity
Example
Business is slack during the rainy season.
在雨季生意很清淡。
B2 noun /sɛnˈseɪʃən/

Sensation

感觉
Meaning
a physical feeling or perception resulting from something that happens to or comes into contact with the body; a widespread reaction of interest and excitement
Example
The new singer became an overnight sensation.
这位新歌手一夜之间成名,成为轰动一时的现象级人物。
B2 noun sɔɪl ɪˈrəʊʒən

soil erosion

土壤侵蚀
Meaning
The wearing away of topsoil by water, wind, or other natural forces.
Example
Soil erosion can lead to the loss of fertile land.
土壤侵蚀可能导致肥沃土地的流失。
B2 noun/verb /skræp/

scrap

碎片 / 丢弃
Meaning
A small piece of something; to discard or get rid of something.
Example
He used a scrap of paper to jot down the number.
他用一小片纸写下了那个号码。
B2 adjective ˈsɑːləm

solemn

庄严
Meaning
Formal and dignified; characterized by deep sincerity.
Example
The day begins with a solemn ceremony at the memorial.
这一天从纪念馆的庄重仪式开始。
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。
B2 verb /swel/

swell

肿胀
Meaning
to become larger, rounder, or thicker; to increase in size
Example
Her ankle began to swell after the injury.
她的脚踝在受伤后开始肿胀。
B2 noun /ˈstɑːrtər/

starter

开始某事的人或事物;一餐的第一道菜
Meaning
a person or thing that starts something; the first course of a meal
Example
The starter of the meal was a fresh salad.
餐前小吃是一份新鲜的沙拉。
B2 adjective /steɪl/

Stale

陈旧的; 过时的; 不新鲜的
Meaning
no longer fresh; lacking originality or novelty
Example
The bread became stale after sitting out for three days.
面包放了三天后变得陈旧。
B2 verb /ˈspɛkjʊˌleɪt/

speculate

投机 / 投资
Meaning
To form a theory or guess without firm evidence; to invest in stocks, property, etc. hoping for profit.
Example
Experts speculate that the company may expand into new markets.
专家推测公司可能会扩展到新市场。
B2 noun /ˈskɛlɪtən/

skeleton

骷髅
Meaning
The internal framework of bones that supports the body of a human or animal.
Example
The teacher showed the students a human skeleton in the biology class.
老师在生物课上向学生们展示了一个人类的骷髅。
B2 noun /ˈsɜr.neɪm/

Surname

姓氏
Meaning
a hereditary name common to all members of a family; family name
Example
Please write your first name and surname on the form.
请在表格上写下您的名字和姓氏。
B2 noun /ˈskriːnɪŋ/

screening

筛查或放映
Meaning
the act of examining or testing people to detect disease or evaluate suitability; a showing of a movie or program
Example
The hospital offered free health screening for all employees.
医院为所有员工提供了免费的健康筛查。
B2 verb /swaɪp/

swipe

滑动
Meaning
to move your finger across a touch screen or to hit with a sweeping motion
Example
He swiped left on the photo.
他在照片上向左滑动。
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 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。
B2 verb /ˈsprɪŋkəl/

sprinkle

Meaning
to scatter small drops or particles of a substance over a surface
Example
She sprinkled sugar on top of the cake.
B2 adjective /self səˈfɪʃənt/

Self-sufficient

自给自足
Meaning
able to provide for oneself without depending on others
Example
The farm is completely self-sufficient in producing vegetables.
这个农场在蔬菜生产方面完全自给自足。
B2 noun /stɑːr fɪʃ/

Star fish

海星
Meaning
a marine echinoderm with five or more radiating arms, typically found on the sea floor
Example
The starfish slowly moved across the ocean floor searching for food.
海星缓慢地在海底移动,寻找食物。
B2 noun /ˈsʌ.plɪ.mənt/

Supplement

补充
Meaning
something that completes or adds to something else; a dietary product
Example
She takes vitamin supplements to maintain her health.
她服用维生素补充剂来保持她的健康。
B2 adjective səˈsteɪ.nə.bəl

sustainable

可持续的
Meaning
Able to be maintained at a certain rate or level; conserving an ecological balance.
Example
Sustainable practices mitigate environmental impact.
可持续的实践减少了对环境的影响。
B2 noun /sɜːˈveɪ.ləns/

surveillance

监控
Meaning
Close observation, especially of a suspected spy or criminal; continuous watching of a place, person, or situation.
Example
Government agencies conduct surveillance on cyber threats.
政府机构对网络威胁进行监控。
B2 adjective /ˈstʌnɪŋ/

stunning

令人惊叹
Meaning
extremely impressive or attractive
Example
The view from the top of the mountain was absolutely stunning.
从山顶看到的景色简直令人惊叹。
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。
B2 verb /siːz/

seize

夺取
Meaning
To take hold of suddenly and forcibly.
Example
The police managed to seize the stolen goods.
警察成功没收了被盗的货物。
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。
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。
B2 adjective /ˈslɒp.i/

Sloppy

马虎的; 脏的; 不经心做的
Meaning
careless; messy; done without care or attention to detail
Example
His sloppy handwriting was difficult to read.
他的潦草字迹很难读。
B2 verb /ʃɛd/

shed

掉落
Meaning
to let something fall off naturally, such as leaves, hair, or tears
Example
Trees shed their leaves in autumn.
树木在秋天落叶。