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C1 verb /sɪˈkluːd/

seclude

隔離する
Meaning
To keep someone away from other people; to isolate.
Example
The monk chose to seclude himself in the mountains.
修道士は山で自分を孤立させることを選びました。
A2 noun /sməʊk/

smoke

煙
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.
車両からの煙が空気品質を悪化させます。
B1 noun /ˈsɜr.fɪs/

Surface

表面; 上層
Meaning
the outside part or uppermost layer of something
Example
The submarine emerged to the surface of the ocean.
潜水艦は海面に浮かび上がった。
C1 noun /ˈsʌtlti/

subtlety

微妙
Meaning
The quality or state of being subtle.
Example
She understood the subtlety of the situation.
彼女は状況の微妙さを理解しました。
B2 noun /ˈsloʊɡən/

slogan

Meaning
a short and memorable phrase used to promote a cause or product
Example
The campaign used a powerful slogan to inspire people.
A2 adjective /ˈsaɪ.lənt/

Silent

静かな; 無音の; 騒がない
Meaning
making no sound; quiet; not speaking
Example
The library was completely silent during study hours.
図書館は学習時間中は完全に静かでした。
B2 adjective /sɪˈlek.tɪv/

Selective

選択的
Meaning
relating to or involving careful selection; choosy about what to accept
Example
The university has a selective admission process for new students.
大学には新入生のための選択的な入学プロセスがあります。
C2 adjective /səˈluːtəˌtɔri/

salutatory

歓迎の挨拶
Meaning
Relating to or expressing a greeting or an address, especially at the beginning of a speech.
Example
She delivered a salutatory address at the graduation ceremony.
彼女は卒業式で歓迎の挨拶を行いました。
C1 adjective /ˈsɒnɪk/

sonic

音速の
Meaning
Relating to or involving sound waves or speed of sound.
Example
The jet created a loud boom when it broke the sonic barrier.
ジェット機は音速の壁を越えたとき、大きな爆発音を作り出しました。
B2 verb /ʃriːk/

shriek

叫ぶ
Meaning
to make a loud, high-pitched cry
Example
She shrieked when she saw the spider.
彼女はクモを見て叫んだ。
A2 noun /ʃiːp/

sheep

羊
Meaning
a farm animal with thick wool that is raised for its wool, meat, and milk
Example
The farmer keeps a large flock of sheep.
農夫は大きな羊の群れを飼っています。
A1 verb /send/

send

送る
Meaning
to cause something to go or be taken to a particular destination; to transmit
Example
I will send you an email with the details.
詳細な情報を含むメールを送ります。
A1 noun /ˈsændwɪtʃ/

sandwich

サンドイッチ
Meaning
two pieces of bread with food such as meat, cheese, or salad between them
Example
I made a chicken sandwich for lunch.
私は昼食にチキンサンドイッチを作りました。
C1 adjective /səˈdʒɛstɪv/

suggestive

示唆的
Meaning
tending to suggest ideas or images; sometimes implies something sexual or provocative
Example
The painting was highly suggestive and sparked much debate.
その絵画は非常に示唆的で、たくさんの議論を引き起こしました。
B2 adjective /ˈsɒl.ɪ.ter.i/

Solitary

孤独; 孤立; 一人
Meaning
alone; without companions; single; isolated
Example
He lived a solitary life in the mountains.
彼は山中で孤独な生活を送っていました。
C2 adjective /ˈsæpɪd/

sapid

美味しい
Meaning
Having a pleasant taste; flavorful.
Example
The chef prepared a sapid dish that delighted everyone at the table.
シェフはテーブルの全員を喜ばせる美味しい料理を準備しました。
C2 verb /sweɪð/

swathe

Meaning
To wrap or cover closely or completely.
Example
She swathed the baby in a soft blanket.
C2 adjective /ˈʃɑːpwɔːrn/

shopworn

古くなった / 色あせた
Meaning
worn or faded from being displayed in a shop; no longer fresh or original
Example
The shopworn shoes were sold at a discount.
ショッピングワーンの靴は割引価格で販売されました。
B2 noun /ˌspeʃiˈælɪti/

Speciality

専門分野
Meaning
a particular area of activity or interest that someone focuses on; expertise in a specific field
Example
His speciality is Italian cuisine.
彼の専門分野はイタリア料理です。
C2 noun/verb /ˈsoʊdʒɜrn/

sojourn

一時的な滞在
Meaning
A temporary stay at a place; to stay temporarily
Example
She enjoyed a brief sojourn in Paris during the summer.
彼女は夏の間、パリで短期間の滞在を楽しんだ。
C1 verb /siːð/

seethe

怒りで煮えたぎる
Meaning
To be filled with intense but unexpressed anger or agitation.
Example
She was seething with anger after the unfair decision.
彼女は不公平な決定の後、怒りで煮えたぎっていました。
A2 adverb /ˈslaɪtli/

slightly

少し
Meaning
to a small degree or extent
Example
The temperature has slightly increased today.
今日、温度は少し上昇しました。
B2 adjective /ˈsʌb.sɪ.kwənt/

subsequent

その後の
Meaning
Coming after something in time; following in time or order.
Example
Subsequent events clarified the outcomes.
その後の出来事が結果を明らかにしました。
B2 verb /ˈsuːpərvaɪz/

supervise

監督する
Meaning
to watch and direct a person or activity to ensure things are done correctly
Example
The teacher supervises students during the exam.
教師は試験中に学生を監督します。
C2 noun /skʌlˈdʌɡəri/

skulduggery

不正行為
Meaning
underhanded or dishonest behavior
Example
The politician was accused of financial skulduggery.
その政治家は金融詐欺で告発された。
C1 verb /ˌsuːpərɪmˈpoʊz/

superimpose

重ね合わせる
Meaning
to place one thing on top of another so that both can be seen
Example
The editor superimposed text over the image.
編集者は画像にテキストを重ね合わせました。
B2 noun ˌsɛlf ˈdɪs.ə.plɪn

self-discipline

自己規律
Meaning
The ability to control one's emotions and behavior.
Example
Self-discipline is crucial for achieving long-term success.
自己規律は長期的な成功に不可欠です。
B2 noun /ˈspəʊkspɜːrsən/

spokesperson

スポークスマン
Meaning
a person who speaks on behalf of others or an organization
Example
The spokesperson addressed the press conference on behalf of the company.
スポークスマンは会社を代表して記者会見で話しました。
B1 noun səˈluː.ʃənz

solutions

解決策
Meaning
A means of solving a problem or dealing with a difficult situation.
Example
Biotechnology provides solutions to environmental challenges.
バイオテクノロジーは環境問題に対する解決策を提供します。
B2 verb /stʌn/

stun

驚かす, 気絶させる
Meaning
to shock or surprise someone greatly; to knock someone unconscious or dazed
Example
The news of her sudden resignation stunned everyone.
彼女の突然の辞任のニュースは皆を驚かせた。
C2 adjective /splɪˈnɛtɪk/

splenetic

怒りっぽい、意地悪な
Meaning
bad-tempered, irritable, spiteful
Example
His splenetic remarks offended everyone in the room.
彼の怒りっぽいコメントは部屋の皆を怒らせた。
C2 verb /ˈskærɪfaɪ/

scarify

土を耕す
Meaning
to make shallow cuts or scratches; to loosen the surface of soil
Example
The farmer scarified the soil before planting seeds.
農家は種を植える前に土をスカリファイしました。
C2 adjective /ˌsʌb.əˈkwɒt.ɪk/

subaquatic

水中
Meaning
Existing, living, or located under water.
Example
Divers explored the subaquatic cave system filled with rare fish.
ダイバーたちは珍しい魚でいっぱいの水中洞窟システムを探査しました。
A2 noun /suːt/

suit

スーツ
Meaning
a set of clothes made of the same fabric, usually consisting of trousers and a jacket
Example
He wore a black suit to the wedding.
彼は結婚式に黒いスーツを着ていきました。
B2 noun /ˈspɛktrəm/

spectrum

スペクトル
Meaning
A range of different things, often related to colors, ideas, or classifications.
Example
The festival attracted people from across the political spectrum.
その祭りは政治的スペクトル全体から人々を引き付けました。
B2 adjective /stɜːrn/

Stern

厳格な; 厳しい
Meaning
serious and demanding exact conformity to rules; strict and severe
Example
The teacher gave the students a stern warning about cheating.
教師は学生に対してカンニングについて厳しい警告を与えました。
B2 verb ˈsiːlɪŋ

sealing

密閉する、封鎖する
Meaning
The action of closing or blocking something to prevent entry or escape.
Example
Sealing cracks in the walls can prevent pests from entering.
壁の亀裂を密閉することで害虫の侵入を防げます。
C1 noun /ˌsʌpəˈzɪʃən/

supposition

仮定
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.
彼の計画は、市場がすぐに回復するという仮定に基づいていました。
B2 noun /ˈstæm.ɪ.nə/

Stamina

持久力
Meaning
the ability to sustain prolonged physical or mental effort
Example
Marathon runners need great stamina to complete the race.
マラソンランナーはレースを完走するために素晴らしいスタミナが必要です。
A1 adjective /smɔːl/

Small

小さい; 限られた; 狭い
Meaning
little in size; not large; limited in extent or amount
Example
She lives in a small apartment near the university.
彼女は大学の近くの小さなアパートに住んでいます。
B1 adjective /ˈsɪniər/

senior

シニア
Meaning
having a higher rank or status; older or more experienced
Example
He is the senior manager in the department.
彼は部門のシニアマネージャーです。
C1 adjective /sɛkˈtɛəriən/

sectarian

宗派的
Meaning
relating to or characterized by the differences between sects, often leading to conflict
Example
The region has been troubled by sectarian violence for decades.
この地域は数十年にわたり宗派的な暴力に悩まされてきました。
B2 adverb /ˈsɒftli/

softly

静かにまたは穏やかに
Meaning
in a gentle or quiet way.
Example
She spoke softly so as not to wake the baby.
赤ちゃんを起こさないように静かに話しました。
C1 verb /sɪˈsiːd/

secede

脱退する
Meaning
To formally withdraw from a political or organizational union.
Example
Several states threatened to secede from the union.
いくつかの州は連邦から脱退すると脅迫した。
B1 adjective ˈʃɔːrt.tɜːrm

short-term

短期的な
Meaning
Occurring over or involving a relatively short period of time.
Example
Investing in stocks can yield short-term profits.
株に投資することで短期的な利益を得ることができる。
B2 verb /skreɪp/

scrape

擦る, 引っ掻く
Meaning
to remove or damage the surface of something by rubbing or scratching; to collect something by effort
Example
He scraped his knee while playing football.
彼はサッカーをしているときに膝を擦りむきました。
C1 noun /ˈstænzə/

stanza

スタンザ
Meaning
a group of lines forming a unit in a poem or song
Example
The poem begins with a stanza describing nature.
その詩は自然を描写するスタンザで始まります。
B2 noun /ˈsɛm.iˌsɜːr.kəl/

semicircle

半円
Meaning
Half of a circle or something shaped like half of a circle.
Example
The students sat in a semicircle around the teacher.
学生たちは教師の周りに半円形に座っていました。
B2 noun /ˈskʌlp.tər/

Sculptor

彫刻家
Meaning
an artist who creates sculptures by carving, modeling, or shaping materials
Example
The sculptor spent months creating a beautiful marble statue.
彫刻家は美しい大理石の彫像を作るのに数ヶ月を費やしました。
B2 noun /ˈʃʌv.əl/

Shovel

シャベル
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.
彼は車道から雪を取り除くためにシャベルを取った。
B1 adjective /spəˈsɪfɪk/

specific

具体的
Meaning
Clearly defined or identified; particular; exact.
Example
Make a specific plan to beat procrastination.
プロクラスティネーションを克服するために、具体的な計画を立ててください。
B2 adjective /senˈseɪʃənəl/

Sensational

センセーショナル; 印象的; 驚異的
Meaning
causing great excitement or shock; extremely impressive
Example
The sensational performance left the audience speechless.
そのセンセーショナルなパフォーマンスは観客を言葉を失わせました。
C1 noun ˈsʌs.tɪ.nəns

Sustenance

生存のための食物または支援
Meaning
Food or support necessary for sustaining life
Example
Water is essential for human sustenance.
水は人間の生存に欠かせない。
C2 adjective /ˈstraɪ.eɪ.tɪd/

striated

縞目模様の
Meaning
marked with thin lines, grooves, or stripes
Example
The muscle fibers appeared striated under the microscope.
顕微鏡で筋肉の繊維が縞目模様のように見えました。
C2 noun /ˌsɪləbɪˈkeɪʃən/

syllabication

音節分け
Meaning
The division of words into syllables.
Example
Proper syllabication helps in correct pronunciation.
適切な音節分けは正しい発音に役立ちます。
A1 verb /sel/

sell

売る
Meaning
to give something to someone in exchange for money
Example
They sell fresh fruits at the market.
彼らは市場で新鮮な果物を売っています。
B2 noun, verb /striːk/

streak

線または筋; 指定された方向に非常に速く移動する
Meaning
a long, thin line or mark; to move very quickly in a specified direction
Example
Lightning streaked across the night sky.
稲妻が夜空を横切った。
B1 noun /ˌsaʊθˈwɛst/

southwest

南西
Meaning
the direction that is between south and west; a region in that direction
Example
They traveled to the southwest of the country for their vacation.
彼らは休暇のために国の南西部に行きました。
C1 noun, adjective, verb /səˈbɔːrdənət/ (noun/adjective), /səˈbɔːrdəˌneɪt/ (verb)

subordinate

部下
Meaning
lower in rank or position; to treat as less important
Example
He manages ten subordinates in his department.
彼は自分の部署で10人の部下を管理しています。
C1 verb/noun /skaʊl/

scowl

しかめっ面をする
Meaning
To frown in an angry or bad-tempered way.
Example
She scowled when she heard the unfair remark.
彼女は不公平なコメントを聞いてしかめっ面をした。
C1 verb /səˈlɪdəˌfaɪ/

solidify

強化する
Meaning
To make something firm, strong, or more certain.
Example
The company solidified its position in the market.
その会社は市場での位置を固めました。
C2 adjective /səˈɡeɪ.ʃəs/

sagacious

賢明
Meaning
Having or showing keen mental discernment and good judgment; wise.
Example
His sagacious leadership saved the company from failure.
彼の賢明なリーダーシップは会社を失敗から救った。
B2 adjective /ˈsændi/

Sandy

砂の; 砂質の
Meaning
covered with sand; containing sand; having the texture of sand
Example
The sandy beach stretched for miles along the coast.
砂浜は海岸に沿って何マイルも続いていました。
C1 noun /sɪr/

seer

予言者
Meaning
A person who is supposed to be able to see what will happen in the future; a prophet.
Example
The seer predicted a great change in the kingdom.
予言者は王国の大きな変化を予測しました。
B1 verb /sɪŋk/

sink

沈む
Meaning
to go down below the surface; to descend
Example
The ship sinks in the deep ocean.
船は深い海に沈みます。
C1 adjective /ˈʃɑːdi/

shoddy

粗末な
Meaning
badly made or done; of poor quality
Example
The contractor did a shoddy job on the repairs.
契約者は修理作業で粗末な仕事をしました。
C1 noun /ʃraɪn/

Shrine

聖地; 神殿; 祈りの場
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.
巡礼者たちは健康を祈るために神殿を訪れます。
B2 verb /ˈsʌfəkeɪt/

suffocate

Meaning
to cause someone to die or have difficulty breathing by depriving them of air
Example
The child nearly suffocated when trapped in the locked room.
C2 adjective sɑːˈtɔːrɪəl

sartorial

衣服やスタイルに関連する
Meaning
Of or relating to clothing or style or manner of dress.
Example
His sartorial choices were always on trend and admired.
彼のサートリアルな選択はいつも流行に合っていて、賞賛されていました。
C1 noun /ˈsɑːri/

Saree

サリー
Meaning
a garment consisting of a length of cotton or silk elaborately draped around the body, traditionally worn by women from South Asia
Example
She looked elegant in her red silk saree at the festival.
彼女は祭りで赤い絹のサリーを着てとてもエレガントに見えました。
B2 adjective sɪnˈθet̬.ɪk

synthetic

合成の
Meaning
Made by chemical synthesis, especially to imitate a natural product; artificial.
Example
Synthetic chemicals are used in processed foods.
合成化学物質は加工食品に使用されます。
B2 adjective /ˈslʌɡ.ɪʃ/

Sluggish

遅い; 鈍い; 非活動的
Meaning
slow-moving; lacking energy or alertness; inactive
Example
The old computer became sluggish after running for hours.
古いコンピュータは数時間動かした後、遅くなった。
B2 noun /səˈvaɪvl/

survival

サバイバル
Meaning
the state of continuing to live or exist, typically in difficult conditions
Example
Survival in the wild can be a challenging experience.
野生でのサバイバルは、挑戦的な経験となることがあります。
B2 noun /ˈsuː.ɪ.saɪd/

Suicide

自殺
Meaning
the act of intentionally killing oneself
Example
Mental health professionals work to prevent suicide.
メンタルヘルスの専門家は自殺を防ぐために働いています。
C2 noun /ˌsuː.pər.əˈbʌn.dəns/

superabundance

過剰な豊富さ
Meaning
An excessive or overflowing amount of something.
Example
The garden was filled with a superabundance of flowers.
庭は花の過剰な豊富さで満たされていました。
C1 noun /ˈsækrɪlɪdʒ/

sacrilege

冒涜
Meaning
Violation or misuse of what is regarded as sacred.
Example
Stealing from the temple was considered an act of sacrilege.
寺院から盗むことは冒涜と見なされていました。
C1 adjective /snaɪd/

snide

皮肉な
Meaning
mocking or insulting in an indirect way
Example
He couldn’t resist making a snide comment about her dress.
彼は彼女のドレスについて皮肉なコメントをするのをやめられなかった。
B2 noun ˈskeə.sɪ.ti

scarcity

不足
Meaning
The state of being scarce or in short supply; shortage.
Example
Water scarcity threatens agriculture.
水不足が農業に脅威を与えている。
B2 phrase ˈsɛvən ˈhæbɪts

seven habits

七つの習慣
Meaning
Regular behaviors or actions that are done consistently over time, specifically referring to a set of seven key practices.
Example
Even habits help in maintaining a balanced lifestyle.
習慣はバランスの取れたライフスタイルを維持するのに役立ちます。
C2 adjective /sɪˈkweɪʃəs/

sequacious

盲目的に従う
Meaning
Lacking independence of thought; blindly following.
Example
The sequacious students never questioned their teacher's opinions.
シクウェイシャスな学生は、教師の意見に疑問を呈することはありませんでした。
B2 noun /ˈseɪf.ɡɑːrd/

Safeguard

保護措置
Meaning
measure or action designed to protect someone or something
Example
New safeguards were implemented to prevent data breaches.
データ漏洩を防ぐために新しい保護措置が実施されました。
C1 noun /ˈsæl.mən fɪʃ / ˈroʊ.huː/

Salmon fish / Rohu

ロフ魚
Meaning
a freshwater fish popular in South Asian cuisine; also refers to salmon which is a different species
Example
Rohu fish is commonly prepared with spices in Bengali households.
ロフ魚はベンガルの家庭でよく香辛料と一緒に調理されます。
C2 adjective /spæzˈmɒdɪk/

spasmodic

痙攣性
Meaning
occurring irregularly or in sudden bursts
Example
The patient experienced spasmodic coughing during the night.
患者は夜間に痙攣性の咳を経験しました。
C1 noun /ˈstəʊ.ɪ.sɪ.zəm/

stoicism

ストイック主義
Meaning
The endurance of pain or hardship without the display of feelings and without complaint.
Example
His stoicism during hardship was admirable.
困難な時に彼のストイック主義は賞賛に値した。
C1 adjective /sɪˈnɒnɪməs/

synonymous

同義語
Meaning
having the same or nearly the same meaning; closely associated with something
Example
For many people, her name is synonymous with generosity.
多くの人にとって、彼女の名前は寛大さの同義語です。
A2 noun /siːn/

scene

シーン
Meaning
a place or setting of an event or activity, or the part of a play or film
Example
The final scene of the movie was very emotional.
映画の最後のシーンはとても感動的でした。
B2 noun /spekˈteɪtər/

Spectator

観客
Meaning
a person who watches at a show, game, or other event; an observer
Example
The stadium was filled with excited spectators.
スタジアムは興奮した観客でいっぱいでした。
A2 adjective /sɪksθ/

sixth

六番目
Meaning
coming after the fifth in order, position, or rank
Example
He finished the race in sixth place.
彼はレースで六番目に終わった。
C1 noun ˌsɛlf.rɪˈstreɪnt

self-restraint

自己抑制
Meaning
The practice of restraining oneself from indulging in something, typically an impulse or desire.
Example
Practicing self-restraint helps in avoiding impulsive decisions.
自己抑制を実践することで、衝動的な決定を避けるのに役立ちます。
A2 noun /ˈsiː.nər.i/

Scenery

風景
Meaning
the natural features of a landscape; the painted background used on a theater stage
Example
The mountain scenery was breathtakingly beautiful.
山の風景は息を呑むほど美しかった。
C2 noun /skæd/

scad

スカッド魚
Meaning
A type of fish of the jack family; also informally means a large number or quantity.
Example
The fisherman caught a scad in the net.
漁師は網でスカッドを捕まえました。
B1 verb /ʃɪft/

shift

シフトする
Meaning
To move or change from one place, position, or situation to another.
Example
She had to shift her focus to the new project.
彼女は新しいプロジェクトに焦点を移さなければならなかった。
B2 noun /sərˈvaɪvər/

Survivor

生き残った人、特に他の人が亡くなった後に生き残った人
Meaning
a person who survives, especially a person remaining alive after an event in which others have died
Example
She is a cancer survivor who now helps other patients.
彼女はがんのサバイバーで、今は他の患者を助けています。
C1 noun ˈstræt.ə.sfɪər

stratosphere

成層圏
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.
成層圏は特別な環境を提供します。
C1 adjective /sɑːrˈdɒnɪk/

sardonic

幸福
Meaning
Grimly mocking or cynical.
Example
She gave him a sardonic smile after hearing his excuse.
彼女は賞を受け取ったとき、自分の幸福を隠すことができませんでした。
B1 noun ˈstrætədʒi

strategy

戦略
Meaning
A plan of action designed to achieve a long-term or overall aim.
Example
The strategy ensured success.
その戦略は成功を保証しました。
C2 noun /ˈskɔːrpiən fɪʃ/

Scorpion fish

オニカサゴ
Meaning
a type of fish with venomous spines that belongs to the family Scorpaenidae
Example
The scorpion fish has dangerous spines that can inject venom.
オニカサゴは毒を注入できる危険な棘を持っています。
C1 adjective /suːˈpɜːrlətɪv/

superlative

最上級
Meaning
Of the highest quality or degree; expressing the extreme form of an adjective or adverb.
Example
Her performance was superlative, earning her a standing ovation.
彼女のパフォーマンスは最上級で、スタンディングオベーションを受けました。
B2 verb /swer/

swear

誓う
Meaning
to use offensive language; to promise solemnly; to take an oath
Example
I swear to tell the truth.
私は真実を話すと誓います。
C2 adjective /ˈsfɪŋks laɪk/

sphinx-like

神秘的な
Meaning
Mysterious, enigmatic, or difficult to interpret
Example
Her sphinx-like smile made it hard to guess what she was thinking.
彼女のスフィンクスのような微笑みは、彼女が何を考えているのかを予測するのを難しくさせた。
A2 adjective /sər'praɪzd/

Surprised

驚いた
Meaning
feeling or showing surprise; astonished
Example
I was surprised to see my old friend at the market.
私は市場で古い友達を見て驚きました。
C2 noun /ˈstrɪk.tʃər/

stricture

制限、批判
Meaning
a restriction or limitation; a critical remark
Example
The new law placed a severe stricture on free speech.
新しい法律は言論の自由に厳しい制限を課した。
C1 noun səˈsteɪnəbəl ænd kəˈlæbərətɪv əˈproʊtʃ

sustainable and collaborative approach

持続可能で協力的なアプローチ
Meaning
A method of working together that can be maintained over time without depleting resources or causing harm.
Example
A sustainable and collaborative approach is crucial for solving environmental problems.
環境問題を解決するためには、持続可能で協力的なアプローチが不可欠です。
C1 verb /ˈskʌr.i/

scurry

速く走る
Meaning
To move quickly with short, hurried steps.
Example
The mice scurried across the kitchen floor when the lights turned on.
ライトがついたとき、ネズミたちはキッチンの床を速く走った。
C1 noun /ʃruː/

shrew

怒りっぽい女性 / 小さなネズミのような動物
Meaning
a small mouse-like animal; also a woman with a bad temper
Example
The play describes a strong-willed woman as a shrew.
この劇は強い意志を持った女性を怒りっぽい女性として描いています。
C1 noun /ˈsed.ɪ.mənt/

Sediment

堆積物
Meaning
matter that settles to the bottom of a liquid; particles deposited by water or wind
Example
The river carried sediment downstream during the flood.
川は洪水の間に堆積物を下流へ運んだ。
C1 noun speɪst ˌrep.ɪˈtɪʃ.ən

spaced repetition

間隔反復
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.
スペースド・リピティションは長期記憶を保持するのに役立ちます。
C1 noun /ˈsəʊdiəm/

sodium

ナトリウム
Meaning
a soft, silver-white chemical element that is highly reactive and found in salt.
Example
Sodium is an essential element for maintaining fluid balance in the body.
ナトリウムは体内の液体バランスを維持するために不可欠な元素です。
C2 adjective /səˈleɪʃəs/

salacious

わいせつな
Meaning
Having or conveying undue or inappropriate sexual interest.
Example
The tabloid published a salacious story about the celebrity.
タブロイドはそのセレブに関するわいせつな話を公開した。
C2 adjective, noun /səbˈmɜːrsəbl/

submersible

潜水艇
Meaning
capable of being submerged; a small underwater craft
Example
The scientists explored the deep ocean using a submersible.
科学者たちは潜水艇を使って深海を探査した。
C1 noun /səbˈvɜːrʒən/

subversion

転覆
Meaning
the act of trying to destroy or undermine an established system or authority
Example
The government accused the rebels of planning subversion.
政府は反乱者が転覆を計画していると非難した。
B2 noun /ˈskɔːr.pi.ən/

Scorpion

サソリ
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.
サソリは昼間、岩の下に隠れていました。
B2 noun /ˈswɒl.oʊ/

Swallow

ツバメ
Meaning
a small migratory bird with long wings and a forked tail
Example
The swallow built its nest under the roof.
ツバメは屋根の下に巣を作りました。
C2 adjective /ˈsɪbɪlənt/

sibilant

シーシー音がする
Meaning
Making or characterized by a hissing sound.
Example
The word 'snake' starts with a sibilant sound.
'snake' という単語はシビラント音で始まります。
B2 adjective /ˈsʌt.əl/

subtle

微妙, 軽い, 精密
Meaning
So delicate or precise as to be difficult to analyze or describe; making use of clever and indirect methods.
Example
The artist's use of color was subtle yet powerful.
アーティストの色使いは微妙でありながら力強かった。
C2 adjective /ˌsuːpərˈnuːmərɛri/

supernumerary

余分な
Meaning
Exceeding the usual number; extra or unnecessary.
Example
The play included several supernumerary actors to fill the background scenes.
その劇は背景のシーンを埋めるためにいくつかの余分な俳優を含んでいました。
B2 noun ˌspɛk.jʊˈleɪ.ʃən

speculation

投機
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.
株式市場のスペキュレーションは高いボラティリティを引き起こす可能性があります。
C1 noun /sɪˈkriː.ʃən/

Secretion

分泌
Meaning
a process by which substances are produced and discharged from a cell or gland
Example
Insulin secretion is crucial for blood sugar regulation.
インスリン分泌は血糖値の調整に不可欠です。
B2 noun /ˈʃɪpɪŋ/

shipping

配送
Meaning
the process of transporting goods
Example
The shipping of the products was delayed due to weather conditions.
天候条件により商品の配送が遅れました。
C1 adjective /smʌɡ/

smug

自惚れた
Meaning
having or showing an excessive pride in oneself or one's achievements
Example
He wore a smug smile after winning the debate.
彼は議論に勝った後、自惚れた笑顔を見せた。
C1 adjective /ˌsækrəˈlɪdʒəs/

sacrilegious

冒涜的
Meaning
Showing disrespect or irreverence toward something sacred.
Example
The painting was criticized as being sacrilegious.
その絵画は冒涜的だと批判されました。