slothful
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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。
C1 noun /ˌsæl.ɪ.naɪˈzeɪ.ʃən/

salinization

盐分增加
Meaning
The process of increasing salt content in soil.
Example
Excessive irrigation can cause salinization of farmland.
过度灌溉可能导致农田盐分增加。
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。
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。
B1 verb /sɪŋk/

sink

沉没
Meaning
to go down below the surface; to descend
Example
The ship sinks in the deep ocean.
船沉入深海。
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。
C1 noun, verb /spreɪn/

sprain

扭伤
Meaning
an injury to a joint in which the ligaments are stretched or torn
Example
She sprained her ankle while running in the park.
她在公园跑步时扭伤了脚踝。
C2 noun /ˌspoʊliˈeɪʃən/

spoliation

破坏
Meaning
The act of destroying or ruining something, often evidence or property.
Example
The court punished the company for the spoliation of evidence.
法院因公司破坏证据而惩罚了该公司。
A2 verb /səˈpəʊz/

suppose

假设
Meaning
to assume or believe something is true without proof
Example
I suppose she will be here soon.
我猜你很快会到这里。
C2 adjective /ˈslæp.dæʃ/

slapdash

草率
Meaning
done too quickly and carelessly; hasty and careless
Example
The report was written in a slapdash manner, full of errors.
报告写得草率,充满了错误。
A2 adjective /skɛrd/

scared

害怕的
Meaning
feeling afraid or worried
Example
She was scared of the dark.
她害怕黑暗。
C1 adjective /ˈsaɪt.ləs/

Sightless

盲目; 无视力
Meaning
unable to see; blind; lacking vision
Example
The sightless man navigated the street with his guide dog.
盲人带着他的导盲犬穿过街道。
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 verb /sərˈpæs/

surpass

超越
Meaning
to exceed or go beyond
Example
Her performance surpassed all expectations.
她的表现超出了所有预期。
B1 noun /ˈsʌb.stəns/

Substance

物质
Meaning
a particular kind of matter with uniform properties; the essential nature of something; material or content
Example
The scientist analyzed the unknown substance in the laboratory.
科学家在实验室分析了未知物质。
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。
C1 adjective /ˈstæɡ.nənt/

Stagnant

停滯的; 靜止的; 無發展的
Meaning
not moving or flowing; showing no activity or development
Example
The stagnant water in the pond was covered with algae.
池塘裡的停滯水被藻類覆蓋。
C1 verb /ˈslɪðər/

slither

滑行
Meaning
to move smoothly over a surface with a twisting, sliding motion, like a snake
Example
The snake slithered through the grass.
蛇穿过草地滑行。
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。
A1 noun /ˈsæləd/

salad

沙拉
Meaning
a dish consisting of various ingredients, typically including vegetables, which are usually mixed with a dressing
Example
She made a fresh salad with lettuce, tomatoes, and cucumbers.
她用生菜、番茄和黄瓜做了一个新鲜的沙拉。
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 noun /ˈstɪm.jʊ.laɪ/

stimuli

刺激物
Meaning
Things that create reactions or provide motivation.
Example
Bright light and loud sounds are common stimuli for alertness.
明亮的光和大声的声音是常见的刺激物,可以保持警觉。
B2 noun ˈsɪblɪŋz

Siblings

兄弟姐妹
Meaning
Each of two or more children or offspring having one or both parents in common.
Example
Siblings are usually placed on the same level in a family tree.
兄弟姐妹通常在家谱中处于同一水平。
C1 adjective /ˈspjʊəriəs/

spurious

虚假的 / 假冒的
Meaning
Not genuine, authentic, or true; false or fake.
Example
The report was based on spurious claims.
报告基于虚假的声明。
C1 adjective /sɪˈnɒnɪməs/

synonymous

同义词
Meaning
having the same or nearly the same meaning; closely associated with something
Example
For many people, her name is synonymous with generosity.
对于许多人来说,她的名字是慷慨的同义词。
B2 noun ˈstɪmjələs

stimulus

刺激
Meaning
A thing or event that evokes a specific functional reaction in an organ or tissue.
Example
Plants respond to external stimulus.
植物对外部刺激作出反应。
A2 adjective /ˈsʌdən/

Sudden

突如其来的; 突然的; 出乎意料的;
Meaning
happening or done quickly and unexpectedly; abrupt
Example
There was a sudden change in the weather.
天气发生了突如其来的变化。
B1 noun səˈplaɪ

supply

供应。供给。
Meaning
A stock or amount of something supplied or available for use.
Example
Supply chains ensure resource availability.
供应链确保资源的可用性。
A1 noun /sʌn/

Sun

太阳
Meaning
the star around which the earth orbits; the source of light and heat for planets
Example
The sun rises in the east and sets in the west.
太阳从东方升起,西方落下。
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。
A1 noun /ˈsekənd/

second

Meaning
a unit of time equal to one sixtieth of a minute; also the position after first
Example
He finished the race in second place.
B2 noun /speɪd/

Spade

铲子
Meaning
a tool with a flat blade for digging; a playing card suit
Example
The gardener used a spade to dig holes for planting flowers.
园丁用铲子挖洞种花。
B2 adverb /ˈsɛp.ər.ət.li/

separately

分别地
Meaning
in a way that is apart or individually; not together
Example
They decided to travel separately to the conference.
他们决定分别前往会议。
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

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。
B2 noun /slɛdʒ/

sledge

雪橇
Meaning
a vehicle for traveling over snow, often pulled by animals
Example
The children rode a sledge down the snowy hill.
孩子们从雪山上滑下了雪橇。
C1 adjective /ˈsɪm.jʊ.leɪ.tɪd/

simulated

模拟的
Meaning
Artificially created to look real but not actually real.
Example
The pilot trained in a simulated flight environment.
飞行员在模拟的飞行环境中训练。
C1 noun/verb /sleɪt/

slate

板岩 / 安排
Meaning
a fine-grained rock used for roofing or writing; to schedule or designate for a task
Example
The meeting is slated for next Monday.
会议定于下周一举行。
A2 noun /seɪf/

Safe

保险箱; 保护
Meaning
secure container for storing valuables; protection from danger
Example
He kept his important documents in the office safe.
他把重要文件放在办公室的保险箱里。
B1 adjective /sɪˈlek.tɪd/

selected

选定的
Meaning
carefully chosen from a group for a particular purpose
Example
He was one of the selected candidates for the scholarship.
他是获得奖学金的选定候选人之一。
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。
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 /ʃɔːrts/

shorts

短裤
Meaning
a short garment worn on the lower half of the body that covers each leg separately, usually above the knees.
Example
He wore a pair of blue shorts to the beach.
他穿了一条蓝色的短裤去海滩。
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.
C1 noun /ˌsʌpəˈzɪʃən/

supposition

假设
Meaning
An assumption or belief that something is true without certain proof.
Example
His plan was based on the supposition that the market would recover quickly.
他的计划是基于市场将迅速恢复的假设。
A2 verb /ˈstɑːtɪŋ/

starting

开始
Meaning
beginning to do or experience something
Example
She is starting a new job next week.
她下周开始一份新工作。
C1 noun, adjective /ˈsɒlvənt/

solvent

溶剂, 还债能力
Meaning
a liquid that dissolves other substances; also means able to pay debts
Example
Acetone is a common solvent used in laboratories.
丙酮是实验室中常用的溶剂。
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 noun /slæb/

slab

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 /swiːp/

sweep

打扫
Meaning
to clean by brushing; to move quickly and smoothly
Example
She sweeps the floor every morning.
她每天早上打扫地板。
C1 noun ˌsætʃəˈreɪʃən

saturation

饱和
Meaning
The state of being saturated; the degree or extent to which something is dissolved or absorbed
Example
The saturation of the market with similar products reduced sales.
市场上的类似产品饱和度降低了销售额。
B2 adjective, noun /ˈsɪŋɡjələr/

singular

非凡 / 单数
Meaning
Remarkable, extraordinary; or grammatical form referring to one person or thing.
Example
She has a singular talent for painting.
她在绘画方面有非凡的才华。
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。
C1 adjective /sɔɪld/

soiled

脏的
Meaning
dirty or stained; not clean
Example
His clothes were soiled after playing in the mud.
他在泥巴里玩后,衣服弄脏了。
B1 adjective ˈʃɔːrt.tɜːrm

short-term

短期的
Meaning
Occurring over or involving a relatively short period of time.
Example
Investing in stocks can yield short-term profits.
投资股票可以带来短期收益。
A2 adverb /ˈsloʊli/

slowly

慢慢地
Meaning
in a slow manner
Example
She walked slowly to the door.
她慢慢地走向门。
B1 noun /swet/

Sweat

汗水
Meaning
moisture exuded through the pores of the skin, typically as a reaction to heat, physical exertion, fever, or fear
Example
After running for an hour, he was covered in sweat.
跑了一小时后,他浑身是汗。
B2 noun/verb /ˈsoʊ.ɪŋ/

sewing

缝纫
Meaning
The activity or skill of joining fabric using a needle and thread
Example
She enjoys sewing her own clothes on weekends.
她喜欢在周末缝制自己的衣服。
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.
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。
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 noun, verb /striːk/

streak

条纹或线;快速移动至指定方向
Meaning
a long, thin line or mark; to move very quickly in a specified direction
Example
Lightning streaked across the night sky.
闪电划过夜空。
B2 adjective /ˈʃeɪ.ki/

Shaky

不稳定的; 发抖的; 不可靠的; 弱的
Meaning
unstable; trembling; unreliable; weak
Example
His voice was shaky with nervousness.
他的声音因紧张而颤抖。
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。
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。
B1 noun ˈsɛʃənz

sessions

会议, 会议期, 时段
Meaning
A meeting of an official body, especially a court of law, to conduct its business; a period devoted to a particular activity.
Example
The sessions lasted for three hours.
会议持续了三个小时。
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 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 /ˈʃrɪŋkɪdʒ/

shrinkage

收缩
Meaning
The process of becoming smaller in size, amount, or value.
Example
The company reported a shrinkage in profits this quarter.
公司报告了本季度利润的收缩。
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。
C2 adjective /ˈsɒmnələnt/

somnolent

昏昏欲睡
Meaning
Sleepy or drowsy; causing a desire to sleep.
Example
The somnolent lecture made half the class fall asleep.
那堂昏昏欲睡的讲座让一半的班级都睡着了。
B2 adjective /ˌsɪstəˈmætɪk/

systematic

系统的
Meaning
Done or acting according to a fixed plan or system; methodical.
Example
The company took a systematic approach to solving the issue.
公司采取了系统的方法来解决问题。
B1 noun /ˈsɜːdʒəri/

surgery

Meaning
a medical procedure involving the cutting of the body to treat a condition
Example
She underwent surgery to remove the tumor.
A2 adjective /sɪksθ/

sixth

第六
Meaning
coming after the fifth in order, position, or rank
Example
He finished the race in sixth place.
他在比赛中获得了第六名。
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。
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。
C1 noun ˌsæn.ɪ.taɪˈzeɪ.ʃən

sanitization

消毒
Meaning
The process of cleaning and disinfecting to eliminate germs and bacteria.
Example
Regular sanitization keeps appliances germ-free.
定期消毒保持设备无菌。
A2 noun ˈsɜːvɪsɪz

services

服务
Meaning
The action of helping or doing work for someone.
Example
Services in the healthcare industry are essential for well-being.
医疗行业的服务对于健康至关重要。
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。
A1 noun /sɔːŋ/

song

歌曲
Meaning
a short piece of music with words that are sung
Example
She sang a beautiful song at the concert.
她在音乐会上唱了一首美丽的歌曲。
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。
B2 adverb /ˈskɪl.fəl.i/

Skilfully/US: Skillfully

熟练地
Meaning
in a way that shows ability and training; expertly
Example
She skilfully painted the portrait in just two hours.
她在两个小时内熟练地画了肖像。
C2 noun /səˈlɪsɪˌtuːd/

solicitude

关心, 照顾
Meaning
Care or concern for someone or something.
Example
His mother showed great solicitude for his safety.
他的母亲对他的安全表现出极大的关心。
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。
B2 noun /ˈspɒnsəʃɪp/

sponsorship

赞助
Meaning
the act of supporting an event, activity, person, or organization financially or through other resources
Example
The event was made possible due to the sponsorship of several big companies.
由于几家大公司的赞助,活动得以举行。
A1 verb /sel/

sell

Meaning
to give something to someone in exchange for money
Example
They sell fresh fruits at the market.
他们在市场上卖新鲜的水果。
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 verb /sɔːr/

soar

翱翔 / 快速增长
Meaning
to fly or rise high in the air; to increase rapidly or dramatically
Example
The eagle soared high above the mountains.
鹰飞得很高,越过山脉。
C1 noun /ʃraɪn/

Shrine

圣地; 神殿; 圣坛
Meaning
a holy or sacred place dedicated to a specific deity, ancestor, hero, or saint
Example
Pilgrims visit the shrine to pray for good health.
朝圣者前往圣地为健康祈祷。
C2 noun /ˈskæb.ərd/

scabbard

剑鞘
Meaning
A sheath for the blade of a sword or dagger, typically made of leather or metal.
Example
The knight drew his sword from the scabbard.
骑士从剑鞘中拔出了剑。
C1 verb /smɜrk/

smirk

得意的微笑
Meaning
to smile in a self-satisfied, smug, or silly way
Example
He smirked when he won the argument.
他在赢得争论时得意地笑了。
C1 noun/verb /snɛər/

snare

陷阱
Meaning
a trap for catching animals; to catch or trap
Example
The hunter set a snare to catch rabbits.
猎人设置了一个陷阱来捕捉兔子。
B2 verb /ˈstrʌɡlɪŋ/

struggling

挣扎
Meaning
Making forceful or violent efforts to get free of restraint or constriction; having difficulty achieving something.
Example
Many regions are struggling with economic recovery.
许多地区在经济复苏中挣扎。
A2 noun /soʊp/

Soap

肥皂
Meaning
a cleaning agent made from fats or oils and used for washing
Example
Please wash your hands with soap and water.
请用肥皂和水洗手。
C2 noun /sfɛˈrɪsɪti/

sphericity

球形
Meaning
The quality or state of being spherical; roundness.
Example
The sphericity of the ball made it roll smoothly on the ground.
球的球形使它能够平稳地在地面上滚动。
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。
C1 noun /ˈsɛdətɪv/

sedative

镇静剂
Meaning
A substance that calms the nerves or induces sleep.
Example
The doctor prescribed a sedative to help the patient sleep.
医生开了镇静剂来帮助病人入睡。
B1 noun /ˈspiːʃiːz/

Species

物种; 类型
Meaning
a group of living organisms that can reproduce with each other; a type or kind
Example
The Amazon rainforest is home to thousands of animal species.
亚马逊雨林是成千上万动物物种的家园。
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。
B2 adjective /ˈstɜːrdi/

sturdy

坚固
Meaning
strongly and solidly built; not easily weakened
Example
The carpenter made a sturdy wooden table.
木匠做了一张坚固的木桌。
A2 noun /skɪl/

skill

技能
Meaning
the ability to do something well through training or experience
Example
Her skill in painting impressed everyone.
她在绘画方面的技能给大家留下了深刻印象。
A1 noun /ˈʃɒpɪŋ/

shopping

购物
Meaning
the activity of going to shops to buy things
Example
She spent the afternoon shopping for clothes.
她下午花时间去购物买衣服。
B1 adjective /ˈsɛpəreɪtɪd/

separated

分开的
Meaning
divided or disconnected from something else; not together
Example
They have been living in separated houses since the divorce.
自离婚以来,他们一直住在分开的房子里。
B1 noun /ˈspeʃəlɪst/

Specialist

专家
Meaning
a person who has specialized knowledge or training in a particular area; an expert
Example
She consulted a heart specialist about her condition.
她就自己的情况咨询了一位心脏专家。
B1 noun /sɛks/

sex

性别
Meaning
the biological distinction between male and female; sexual activity
Example
He was asked about his sex at the doctor's office.
医生办公室询问了他的性别。
C1 adjective /ˈsted.fæst/

Steadfast

坚定; 坚决; 不动摇
Meaning
firm in belief, determination, or adherence; unwavering
Example
She remained steadfast in her commitment to helping the poor.
她在帮助穷人方面保持坚定的决心。
B1 verb /ˈsætɪsfaɪ/

satisfy

满足
Meaning
to fulfill the desires, expectations, or needs of someone; to make content
Example
The delicious meal satisfied our hunger completely.
美味的食物完全满足了我们的饥饿。
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。
B2 noun /ʃɪt/

shit

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。
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 adjective /sɔːr/

sore

酸痛
Meaning
painful or aching, usually in a specific part of the body
Example
After the long run, my legs were sore.
长跑后,我的腿很酸痛。
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。
C1 noun /ˈsɪlk.wɜːrm/

Silk-worm

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。
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。
B2 noun /ˈspɛktrəm/

spectrum

光谱
Meaning
A range of different things, often related to colors, ideas, or classifications.
Example
The festival attracted people from across the political spectrum.
这个节日吸引了来自各个政治光谱的人们。
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。
C1 noun səˈfɪʃənsi

sufficiency

充足性
Meaning
The condition of being adequate or enough; adequacy.
Example
The sufficiency of food supply is critical for survival.
食品供应的充足性对于生存至关重要。
B2 adjective səˈfɪs.tɪ.keɪ.tɪd

sophisticated

复杂的
Meaning
Having great knowledge or experience of the world and knowing about fashion, culture, and other things that people think are socially important; highly developed or complex.
Example
Sophisticated designs enhance aesthetics.
复杂的设计提升了美学。
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。
B1 verb səˈpɔːrtɪŋ

supporting

支持
Meaning
Giving assistance to; helping to bear the weight of something.
Example
Supporting education initiatives helps reduce child labour.
支持教育倡议有助于减少童工。
B1 adjective /ʃeɪpt/

shaped

成形的
Meaning
having a particular form or appearance
Example
The sculpture was shaped like a human figure.
雕塑被塑造成一个人形。
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。