caulk
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C2 verb /kɔːk/

caulk

隙間を塞ぐ
Meaning
to seal a crack or gap with a waterproof filler
Example
He caulked the window frames to stop the draft.
彼は窓枠をコークして、冷たい風を防ぎました。
B1 noun ˈkeɪ.bəl

cable

ケーブル
Meaning
A thick rope of wire or nonmetallic fiber, typically used for construction, mooring ships, or transmitting electricity or telecommunication signals.
Example
The cable connects countries across continents.
ケーブルは大陸を越えて国々を接続します。
C1 noun /tʃæmp/

champ

チャンピオン / 勝者
Meaning
an informal word for champion or winner.
Example
He is the new champ of the boxing tournament.
彼はボクシングトーナメントの新しいチャンピオンです。
B2 adjective kəˈlɛktɪv

collective

集団的
Meaning
Done by people acting as a group; shared by all members of a group.
Example
Victory Day represents our collective pride.
勝利の日は私たちの集団的誇りを象徴しています。
C2 verb /ˈkɒndʒʊɡeɪt/

conjugate

活用する
Meaning
to list the different forms of a verb according to tense, person, and number
Example
Students are asked to conjugate the verb 'to be'.
学生は「to be」動詞を活用するよう求められます。
B1 noun sɪvɪˈlɪzeɪʃənz

civilizations

文明
Meaning
The stage of human social development and organization that is considered most advanced.
Example
Ancient civilizations developed complex systems of governance.
古代の文明は複雑な統治システムを発展させました。
C1 adjective /ˌkævəˈlɪər/

cavalier

無頓着
Meaning
showing a lack of proper concern; dismissive or offhand
Example
He had a cavalier attitude toward safety regulations.
彼は安全規制に対して無頓着な態度を持っていた。
B2 noun /kəmˈplaɪ.əns/

compliance

遵守
Meaning
The practice of conforming to rules, regulations, or laws; obedience to orders or instructions.
Example
Schools expect compliance with their rules and policies.
学校は彼らの規則と方針を遵守することを期待しています。
C2 adjective /kənˈkɒmɪtənt/

concomitant

随伴
Meaning
Naturally accompanying or associated with something.
Example
Increased stress is often concomitant with long working hours.
増加したストレスは長時間の労働時間としばしば伴います。
A2 noun /ˈkʌp.bɔːrd/

Cupboard

食器棚
Meaning
a piece of furniture with doors and shelves for storing dishes, food, or clothes
Example
She stored all the plates and bowls in the kitchen cupboard.
彼女はすべての皿とボウルをキッチンのカップボードにしまいました。
A2 adjective /kənˈfjuːzɪŋ/

confusing

紛らわしい
Meaning
causing someone to be unable to think clearly or understand; difficult to comprehend
Example
The instructions were confusing and hard to follow.
その指示は紛らわしく、従うのが難しかった。
B2 adjective /kənˈsɪd.ər.ɪt/

Considerate

思いやりのある; 配慮深い
Meaning
showing careful thought about the feelings or wishes of others; thoughtful
Example
He is always considerate of others' feelings.
彼はいつも他人の感情に配慮しています。
C2 verb /ˈtʃæfɪŋ/

chaffing

からかう
Meaning
Teasing or joking in a lighthearted way.
Example
They were chaffing each other during lunch.
彼らは昼食中にお互いに冗談を言っていた。
C1 noun /ˈkɒlərə/

cholera

Meaning
An infectious disease of the small intestine causing severe vomiting and diarrhea.
Example
The village suffered an outbreak of cholera after the flood.
C2 noun /ˌkæl.sɪ.fɪˈkeɪ.ʃən/

calcification

カルシフィケーション
Meaning
The process of calcium accumulation in soil, making it hard.
Example
Calcification reduces soil permeability and affects crop growth.
カルシフィケーションは土壌の透過性を減らし、作物の成長に影響を与えます。
C1 noun /kəˈres/

Caress

愛撫
Meaning
a gentle or loving touch
Example
The mother's gentle caress calmed the crying baby.
母親の優しい愛撫が泣いている赤ちゃんを落ち着かせた。
C2 adjective /ˈkʌvətəs/

covetous

欲張り
Meaning
having or showing a strong desire for someone else's possessions
Example
She gave him a covetous look when he showed his new watch.
彼は新しい時計を見せたとき、彼女は欲しがる目を向けた。
B1 noun /kənˈfjuː.ʒən/

Confusion

混乱, 困惑, 混迷
Meaning
lack of understanding; uncertainty; the state of being bewildered or unclear in one's mind
Example
There was confusion about the meeting time, so half the team arrived late.
会議の時間について混乱があり、チームの半分が遅れて到着しました。
C2 noun /kəmˈpleɪsəns/

complacence

Meaning
a feeling of quiet pleasure or self-satisfaction, often without awareness of potential danger
Example
His complacence prevented him from noticing the risks.
C2 adjective /kəˈrʌp.tə.bəl/

corruptible

腐敗しやすい
Meaning
able to be morally or ethically corrupted
Example
He was known to be corruptible and often accepted bribes.
彼は腐敗しやすいことで知られ、しばしば賄賂を受け取った。
C1 noun /kəʊˈhiːʒən/

cohesion

結束
Meaning
The action or fact of forming a united whole.
Example
The team showed excellent cohesion throughout the project.
チームはプロジェクト全体を通して素晴らしい結束を見せました。
B1 noun /ˈkæləri/

calorie

カロリー
Meaning
A unit of energy, often used to measure the energy content of food and drink.
Example
She checks the calorie count before eating any packaged food.
彼女はパッケージ食品を食べる前にカロリー数をチェックします。
C1 noun /kənˈtʃɛrtoʊ/

concerto

音楽作品
Meaning
a musical composition for one or more solo instruments accompanied by an orchestra
Example
She played a Mozart concerto with the orchestra.
彼女はオーケストラと共にモーツァルトのコンチェルトを演奏しました。
C1 adjective /ˈtʃɛkərd/

chequered

チェッカード
Meaning
Having a pattern of squares, or marked by varied and contrasting experiences or periods.
Example
He had a chequered career with both great successes and failures.
彼は大きな成功と失敗を経験したチェッカードなキャリアを持っていた。
B1 noun /ˌkɒn.trɪˈbjuː.ʃən/

contribution

貢献
Meaning
A gift or payment to a common fund or collection.
Example
His contribution to the project was vital.
彼の貢献はプロジェクトにとって重要でした。
C1 noun /ˈkɒnɪfər/

conifer

針葉樹
Meaning
a type of tree that bears cones and evergreen needle-like leaves, such as pine or fir
Example
The forest is dominated by conifers like pine and spruce.
森林は松やモミの木などの針葉樹によって支配されています。
C1 noun /ˈsɪvɪks/

civics

公民
Meaning
the study of the rights and duties of citizens and how government works
Example
Civics helps students understand their responsibilities as citizens.
公民は市民としての責任を理解するのに役立つ。
C1 noun /kənˈveɪəns/

conveyance

輸送
Meaning
The action or process of transporting or carrying someone or something from one place to another.
Example
The conveyance of goods was delayed due to bad weather.
悪天候のため、商品の輸送が遅れました。
C1 noun kəˈrəʊ.ʒən

corrosion

腐食
Meaning
The gradual destruction of materials by chemical or electrochemical reaction, especially of metals by oxidation.
Example
Corrosion in pipes leads to leakage.
パイプ内の腐食は漏れの原因となります。
C2 adjective /ˈkræbɪd/

crabbed

読みにくい、機嫌が悪い
Meaning
difficult to read or understand; ill-tempered
Example
His handwriting was crabbed and almost illegible.
彼の手書きは読みにくく、ほとんど判読不能だった。
C1 adjective /kənˈkluː.sɪv/

Conclusive

決定的な; 最終的な; 問題を完全に解決する
Meaning
final; decisive; settling a matter completely
Example
The evidence was conclusive and left no room for doubt.
その証拠は決定的であり、疑う余地を残さなかった。
C1 noun /ˈkʌn.stə.bəl/

constable

巡査
Meaning
a police officer of the lowest rank
Example
The constable directed traffic at the busy intersection.
巡査は混雑した交差点で交通を指導しました。
C1 verb /tʃæsˈtaɪz/

chastise

Meaning
to criticize or punish severely
Example
The teacher chastised the student for being late.
C2 noun /kænˈtɑː.tə/

cantata

カンタータ
Meaning
A vocal composition with instrumental accompaniment, typically in several movements, often involving a choir.
Example
The choir performed a beautiful cantata during the festival.
合唱団は祭りの間に美しいカンタータを演奏しました。
B1 adverb /ˈkeərləsli/

carelessly

不注意に
Meaning
without care or attention; in a negligent or reckless manner
Example
He carelessly left the door unlocked.
彼は不注意にドアの鍵をかけ忘れた。
B1 noun /ˈsɜːr.kəmˌsˌtæn.sɪz/

Circumstances

状況
Meaning
the conditions that affect a situation, action, or event; facts or conditions connected with or relevant to an event
Example
Under normal circumstances, she would have arrived by now.
通常の状況では、彼女はもう到着しているはずです。
B2 noun /ˈkaʊ.ərd/

Coward

臆病者
Meaning
a person who lacks the courage to do or endure dangerous or unpleasant things
Example
He called himself a coward for not standing up to the bully.
彼はいじめっ子に立ち向かわなかったので、自分を臆病者だと言った。
C2 noun /ˈkɒn.tɪ.nəns/

continence

禁欲
Meaning
self-restraint, especially regarding bodily functions or desires
Example
He practiced continence to maintain focus on his studies.
彼は学業に集中するために禁欲を実践した。
B2 noun /kriːk/

creek

小川
Meaning
a small stream or narrow river
Example
We went fishing by the creek near our house.
私たちは家の近くの小川で釣りをしました。
C1 verb, noun /klɑːɡ/

clog

詰まる / 木靴
Meaning
to block or become blocked; a type of heavy wooden shoe
Example
The sink was clogged with food waste.
シンクは食べ物のゴミで詰まっていました。
C2 noun /ˈʃɛvrən/

chevron

V字型の記号
Meaning
A V-shaped pattern, often used in military insignia or design.
Example
The sergeant’s uniform displayed three chevrons on the sleeve.
軍曹の制服には袖に三つのシェブロンが表示されていました。
B2 verb /krʌʃ/

crush

Meaning
to press or squeeze something so hard that it is damaged or destroyed
Example
He accidentally crushed the paper cup in his hand.
C2 adjective /ˈkeəwɔːn/

careworn

疲れ切って心配そうな
Meaning
Showing signs of worry, stress, or exhaustion.
Example
His careworn face revealed years of struggle.
彼の疲れ切った顔は長年の戦いを物語っていました。
C1 noun kənˌsɒl.ɪˈdeɪ.ʃən

Consolidation

記憶の定着
Meaning
The process of converting newly learned information into long-term memory
Example
Sleep plays a key role in memory consolidation.
睡眠は記憶の定着において重要な役割を果たします。
B2 noun /ˈkɒn.ʃəs.nəs/

consciousness

意識
Meaning
The state of being aware of and able to think about one's existence, sensations, thoughts, and surroundings.
Example
Meditation helps improve consciousness and clarity of thought.
瞑想は意識と考えの明晰さを改善するのに役立ちます。
B1 adjective /ˈkɒmplɪˌkeɪtɪd/

complicated

複雑
Meaning
consisting of many interconnected parts; difficult to understand
Example
The instructions for the machine are too complicated to follow.
機械の指示は従うにはあまりにも複雑です。
C1 noun /kəˈlɪɡrəfi/

calligraphy

美しく装飾的な手書きの芸術
Meaning
The art of beautiful and decorative handwriting.
Example
She took a course to improve her calligraphy skills.
彼女はカリグラフィーの技術を向上させるためにコースを受講しました。
B2 noun /ˈkɑn.trəˌvɜr.si/

Controversy

論争; 意見の対立
Meaning
prolonged public disagreement or heated discussion; a dispute or argument involving opposing viewpoints
Example
The new policy sparked a major controversy among the citizens.
新しい政策は市民の間で大きな論争を引き起こしました。
B2 adjective /ˈkɒmp(ə)rəbl/

comparable

比較できる
Meaning
Able to be likened to something else in size, amount, or quality.
Example
The two products are comparable in quality but differ in price.
二つの製品は品質が比較できるが、価格が異なる。
B2 noun /kəˈmɒ.dɪ.tiz/

commodities

商品
Meaning
Raw materials or primary agricultural products that can be bought and sold.
Example
The prices of commodities like oil and gold fluctuate frequently.
石油や金のような商品価格は頻繁に変動します。
B1 noun /kriˈeɪ.ʃənz/

creations

創作物
Meaning
Things that have been created, especially works of art or imaginative works.
Example
His creations astonished the world.
彼の創作物は世界を驚かせた。
C2 verb /kənˈdʒiːl/

congeal

固まる
Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
スープはテーブルに放置されると固まり始めた。
C2 noun /ˈkɒn.tjʊ.mə.li/

contumely

侮辱, 軽蔑
Meaning
insulting or humiliating treatment
Example
He endured the contumely of his colleagues with patience.
彼は同僚の軽蔑を忍耐強く耐えました。
C1 noun /ˈkʌntrɪmən/

countryman

同国人
Meaning
a person from one's own country or rural area
Example
He was proud to meet a fellow countryman at the international conference.
彼は国際会議で同国人に会えて誇りに思った。
C1 noun /kənˈteɪdʒən/

contagion

感染
Meaning
The communication of disease from one person to another by close contact; also the spread of harmful ideas or behaviors.
Example
Fear spread like a contagion through the crowd.
恐怖は群衆の中で感染のように広がった。
B2 noun ক্লাইম্যাটিক কন্ডিশন্স

climatic conditions

気候条件
Meaning
The atmospheric or weather patterns of a particular region.
Example
Specific climatic conditions are required for snowfall.
雪が降るためには特定の気候条件が必要です。
C2 adjective kaɪˈmɛr.ɪ.kəl

chimerical

空想的、不可能な
Meaning
Illusory or impossible to achieve; existing only in imagination.
Example
His chimerical ideas often baffled realists.
彼の空想的なアイデアはしばしば現実主義者を困惑させました。
C1 noun /krɪˈden.ʃəl/

credential

資格証明書
Meaning
a qualification, achievement, or aspect of a person's background used to indicate suitability for something
Example
She presented her credentials before starting the new job.
彼女は新しい仕事を始める前に資格証明書を提示しました。
B2 noun /ˈkjuː.bɪ.kəl/

cubicle

仕切られたスペース
Meaning
A small partitioned-off area of a room, typically in an office.
Example
She works in a cubicle with three other colleagues.
彼女は他の3人の同僚と一緒に仕切られたスペースで働いています。
B2 adjective /kəmˈpæʃənət/

Compassionate

思いやりのある; 哀れみ深い
Meaning
feeling or showing sympathy and concern for others who are suffering
Example
The compassionate nurse took extra time to comfort the worried patients.
思いやりのある看護師は、心配している患者を慰めるために追加の時間を取った。
B1 adjective /ˈtʃɪli/

chilly

寒い
Meaning
uncomfortably or unpleasantly cold
Example
It was a chilly morning in December.
12月の寒い朝でした。
B1 adjective /kənˈsɪdərəbl/

considerable

かなりの
Meaning
large in amount, size, or importance
Example
The project required a considerable amount of time and money.
そのプロジェクトはかなりの時間とお金を必要としました。
B1 verb /koʊˈɑːpəreɪt/

cooperate

協力する
Meaning
to work together; to collaborate
Example
The teams cooperate to achieve their common goals.
チームは共通の目標を達成するために協力しています。
B1 verb /kənˈɡrætʃʊleɪt/

congratulate

お祝いする
Meaning
to praise someone for an achievement or for a special occasion
Example
I want to congratulate you on your promotion.
私はあなたの昇進を祝いたいです。
B2 noun /kənˈsɛnt/

consent

同意
Meaning
permission for something to happen or agreement to do something
Example
She gave her consent before the operation.
彼女は手術の前に同意を与えました。
B1 noun /ˈkætəɡɔːri/

category

カテゴリー
Meaning
a class or division of things regarded as having particular shared characteristics
Example
Books are arranged by category in the library.
本は図書館でカテゴリーごとに整理されています。
A2 noun /ˈkrɒk.ə.daɪl/

Crocodile

ワニ
Meaning
a large reptile with a long mouth and sharp teeth that lives in rivers and lakes in hot countries
Example
The crocodile slowly moved through the murky water.
ワニはゆっくりと濁った水を進んでいました。
B2 noun /ˈkɒŋɡrɛs/

congress

会議
Meaning
a formal meeting or assembly, especially of representatives for discussion
Example
The international congress on climate change will be held next year.
気候変動に関する国際会議は来年開催されます。
A2 verb /kənˈtɪnjuː/

continue

続ける
Meaning
To keep happening, existing, or doing something without stopping.
Example
The rain will continue throughout the night.
雨は一晩中続きます。
B1 noun /kəˈnuː/

Canoe

カヌー
Meaning
a narrow boat pointed at both ends and moved with a paddle
Example
They paddled their canoe down the peaceful stream.
彼らは穏やかな小川をカヌーで漕いだ。
C2 noun /ˌkæθəˈlɪsɪti/

catholicity

普遍性, 開かれた考え
Meaning
Universality; broad-mindedness; acceptance of a wide variety of things.
Example
Her catholicity of interests makes her a fascinating person.
彼女のカトリシティな興味は、彼女を魅力的な人物にしています。
A1 noun /ˈkrɪsməs/

christmas

クリスマス
Meaning
an annual festival celebrating the birth of Jesus Christ, observed on December 25
Example
Families gather to celebrate Christmas with joy and love.
家族は喜びと愛を持ってクリスマスを祝うために集まります。
B2 noun /kəˈrɪkjələm/

curriculum

カリキュラム
Meaning
The subjects comprising a course of study in a school, college, or university.
Example
The school updated its curriculum to include more digital literacy courses.
学校は、デジタルリテラシーのコースをもっと含めるためにカリキュラムを更新しました。
B1 noun /ˈtʃæn.əl/

Channel

チャンネル; 水路; 手段;
Meaning
a television or radio station; a passage for water or other liquids; a means of communication
Example
The news channel provided live coverage of the important event.
ニュースチャンネルは重要なイベントのライブ放送を提供しました。
A1 noun /ˈkʌl.ər/

Colour

色
Meaning
the property possessed by an object of producing different sensations on the eye as a result of the way it reflects light; hue, tint, shade
Example
What is your favorite colour for painting the bedroom walls?
寝室の壁を塗るためのお気に入りの色は何ですか？
B2 noun /ˈkʊriər/

courier

宅配便
Meaning
a person or company that delivers messages, packages, or mail
Example
The courier delivered the documents on time.
クーリエは時間通りに書類を配達しました。
B1 noun /ˈkæt.ər.pɪl.ər/

Caterpillar

毛虫
Meaning
the larva of a butterfly or moth that feeds on plants
Example
The caterpillar ate all the leaves on the plant.
毛虫は植物の葉をすべて食べました。
C1 adjective /klænˈdɛstaɪn/

clandestine

Meaning
kept secret or done secretly, especially for illicit purposes
Example
They held a clandestine meeting late at night.
C2 noun /kəmˈpɛndiəm/

compendium

コンペンディウム
Meaning
A collection of concise but detailed information about a subject.
Example
The book is a compendium of ancient myths and legends.
その本は古代の神話と伝説のコンペンディウムです。
C2 adjective /ˈkʌsɪd/

cussed

頑固
Meaning
Annoyingly stubborn or difficult.
Example
He was too cussed to admit his mistake.
彼は自分の間違いを認めるには頑固すぎた。
C1 verb /kənˈkɜːr/

concur

同意する
Meaning
To agree with someone or something.
Example
I concur with your opinion on this matter.
私はこの件に関してあなたの意見に同意します。
C2 noun /ˈkætəˌklɪzəm/

cataclysm

大災害
Meaning
A sudden and violent event that causes great destruction or upheaval.
Example
The earthquake was a cataclysm that reshaped the city.
地震は都市を再構築したカタクリズムでした。
A1 noun /kaʊ/

Cow

牛
Meaning
a large farm animal kept for milk or meat
Example
The cow produces fresh milk every morning.
牛は毎朝新鮮なミルクを生産します。
C1 adjective, noun /ˈsɛlɪbət/

celibate

Meaning
abstaining from marriage and sexual relations; a person who does so
Example
He chose to remain celibate for religious reasons.
B1 adjective /ˈkɒn.stənt/

Constant

一定の; 変わらない; 安定した
Meaning
occurring continuously over a period of time; unchanging; steady
Example
The machine runs at a constant speed.
機械は一定の速度で動作します。
C2 noun /ˈkæθoʊd/

cathode

陰極
Meaning
The negative electrode in a device such as a battery or tube, where electrons enter.
Example
The cathode emits electrons in the tube.
カソードはチューブ内で電子を放出します。
C2 noun /kəˈleɪʃən/

collation

コレクション
Meaning
the act of collecting, comparing, and arranging in proper order
Example
The librarian spent hours on the collation of old manuscripts.
図書館員は古い手稿のコレクションに数時間を費やしました。
B1 verb kənˈsjuːmz

consumes

消費する
Meaning
Use up (a resource); eat, drink, or ingest (food or drink).
Example
An individual consumes around 20 kg of plastic annually.
1人の人は年間約20キロのプラスチックを消費します。
B2 adjective ˌkɒn.stɪˈtjuː.ʃən.əl

constitutional

憲法に関する
Meaning
Relating to an established set of principles governing a state; in accordance with a political constitution.
Example
Constitutional reforms ensure fairness in the system.
憲法改革はシステム内で公正を確保します。
C2 verb /ˈkæn.tər/

canter

軽いギャロップ
Meaning
To ride a horse at a controlled, easy pace between a trot and a gallop.
Example
She cantered her horse across the field with ease.
彼女は馬を簡単にフィールドを走らせた。
B2 noun /ˈkæriər/

carrier

運送業者
Meaning
A person or thing that carries, transports, or conveys something; also an organization that provides transport services.
Example
The airline is the largest carrier in the country.
その航空会社は国で最も大きな運送業者です。
B2 adjective /kəmˈpærətɪv/

Comparative

比較の
Meaning
involving comparison between two or more things; relative
Example
The study showed comparative results between different teaching methods.
研究は異なる教育方法間の比較結果を示しました。
A1 verb /kætʃ/

catch

キャッチする
Meaning
to grab something that is moving; to get a disease; to understand
Example
Can you catch the ball I'm throwing?
投げているボールをキャッチできますか？
C2 verb /ˈkʌzən/

cozen

だます, 騙す
Meaning
to deceive, cheat, or trick someone
Example
He cozened the old man out of his money.
彼は老人をだましてお金を取った。
C1 noun /ˈkɜːr.i liːvz/

Curry Leaves

カレーの葉
Meaning
aromatic leaves from the curry tree used in South Asian cooking
Example
Fresh curry leaves add authentic flavor to Indian dishes.
新鮮なカレーの葉はインディアン料理に本格的な風味を加えます。
C1 noun /krəˈvæs/

crevasse

深い亀裂
Meaning
a deep crack in a glacier or the earth’s surface
Example
The climbers carefully crossed the icy crevasse.
登山者たちは慎重に氷の亀裂を越えました。
C2 verb /kənˈvʌls/

convulse

激しく震える; 突然の不随意な収縮に苦しむ
Meaning
to shake violently; to suffer sudden involuntary contractions
Example
The patient convulsed during the seizure.
患者は発作中に震えました。
A2 adjective /ˈkreɪzi/

Crazy

クレイジー; 極端に愚か; 何かに非常に熱狂している
Meaning
mentally ill; extremely foolish; wildly enthusiastic about something
Example
That's a crazy idea, but it might just work.
それはクレイジーなアイデアですが、うまくいくかもしれません。
C1 noun /ˈkroʊ.bɑːr/

Crowbar

バール
Meaning
a heavy iron bar with a curved end used as a lever for prying things apart
Example
He used a crowbar to remove the old nails.
彼は古い釘を取り除くためにクローバーを使いました。
B2 verb /kənˈsiːl/

conceal

隠す
Meaning
to hide something or keep it secret
Example
He tried to conceal his disappointment behind a smile.
彼は微笑みの背後に自分の失望を隠そうとした。
B2 noun ˈkrɪp.toʊˌkɝː.ən.si

cryptocurrency

暗号通貨
Meaning
Decentralized digital currency operated using blockchain technology.
Example
Bitcoin is the most popular cryptocurrency in the market.
ビットコインは市場で最も人気のある暗号通貨です。
C2 adjective /ˈsɪlieɪtɪd/

ciliated

繊毛を持つ
Meaning
Having minute hairlike projections (cilia) on the surface of cells or organisms.
Example
The ciliated cells in the respiratory tract help move mucus out of the lungs.
呼吸器官の繊毛細胞は粘液を肺から外に出すのを助けます。
C2 noun /ˈkæʒuɪstri/

casuistry

詭弁
Meaning
The use of clever but false reasoning, especially in relation to moral questions.
Example
The lawyer’s argument was dismissed as mere casuistry.
弁護士の主張は単なる詭弁として退けられました。
A1 noun/verb /ˈkʊkɪŋ/

cooking

料理
Meaning
the process of preparing food by heating it
Example
Cooking is one of my favorite hobbies.
料理は私の好きな趣味の一つです。
B2 noun /ˈkoʊ.brə/

Cobra

コブラ
Meaning
a venomous snake with a hood that can be spread when threatened
Example
The cobra raised its hood and hissed at the intruder.
コブラはフードを上げ、侵入者にシューっと音を立てました。
C2 adjective /krʌˈsteɪʃəs/

crustaceous

硬い殻のある
Meaning
relating to or having a hard shell like a crustacean
Example
The scientist studied the crustaceous fossils.
科学者は硬い殻のある化石を研究しました。
B2 adjective /kəˈmɛndəbl̩/

commendable

称賛に値する
Meaning
deserving praise or approval
Example
Her dedication to the project was truly commendable.
プロジェクトへの彼女の献身は本当に称賛に値した。
A1 adjective /kuːl/

cool

冷たい, 落ち着いた, 印象的
Meaning
moderately cold; calm and composed; fashionable or impressive
Example
She kept a cool head during the crisis.
彼女は危機の中で冷静を保った。
B1 noun /kriˈeɪ.ʃən/

Creation

創造; 作品
Meaning
the action or process of bringing something into existence; something that has been made or invented
Example
The artist's latest creation was displayed at the modern art gallery.
アーティストの最新の創作は現代アートギャラリーに展示されました。
A1 noun /kæt/

Cat

猫
Meaning
a small domesticated carnivorous mammal with soft fur, a short snout, and retractile claws
Example
The cat sat on the windowsill watching birds.
猫は窓辺に座って鳥を見ていました。
B2 noun /koʊˈɪn.sɪ.dəns/

Coincidence

偶然
Meaning
a remarkable occurrence of events or circumstances without apparent causal connection; chance happening
Example
It was a strange coincidence that they both wore the same dress to the party.
それは奇妙な偶然だった、彼ら二人は同じドレスを着てパーティーに行った。
B1 noun /ˈkɒləm/

column

Meaning
A vertical structure that supports a building; also a section of text arranged vertically in a newspaper or table.
Example
The ancient temple had tall marble columns.
C1 noun /kənˈtɪnjuəm/

continuum

連続体
Meaning
A continuous sequence in which adjacent elements are not perceptibly different from each other, but the extremes are quite distinct.
Example
Life and death are often seen as part of the same continuum.
生と死はしばしば同じ連続体の一部と見なされます。
C2 verb /ˌsɜːrkəmˈnævɪɡeɪt/

circumnavigate

地球を一周する
Meaning
to travel all the way around something, especially the earth
Example
Magellan was the first to circumnavigate the globe.
マゼランは最初に地球を一周した人物です。
C2 noun /kɒn.tɪˈɡjuː.ɪ.ti/

contiguity

隣接性
Meaning
the state of being in direct contact or next to each other
Example
The contiguity of the two countries facilitates trade.
二国間の隣接性が貿易を促進します。
A2 verb /kəˈlɛkt/

collect

集める
Meaning
to gather together; to accumulate items
Example
I collect stamps as a hobby.
私は趣味で切手を集めます。
A2 verb /ˈkɑːpi/

copy

コピー
Meaning
to make an identical reproduction of something
Example
Please copy this document for the meeting.
会議のためにこの文書をコピーしてください。
C1 verb /kliːv/

cleave

裂ける, 切る
Meaning
to split or divide; to cut through forcefully
Example
He used an axe to cleave the wood.
彼は斧を使って木を割った。
C1 noun /ˈkɒz.moʊs/

Cosmos

コスモスの花
Meaning
a colorful annual flower with daisy-like blooms and feathery foliage
Example
The cosmos flowers swayed gently in the summer breeze across the meadow.
コスモスの花は夏の風にそよいで、草地を横切っていました。
B2 adjective /ˈtʃeɪn.dʒə.bəl/

Changeable

変わりやすい; 不安定な
Meaning
able to be changed; likely to change frequently
Example
The weather is very changeable in spring.
春は天気が非常に変わりやすいです。
B1 adjective /ˈkriːmi/

creamy

クリームのような滑らかでリッチな質感
Meaning
having a smooth, rich texture like cream
Example
She poured a creamy sauce over the pasta.
彼女はパスタにクリーミーなソースをかけた。