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C2 adjective /ˈdɪsənənt/

dissonant

不協和音
Meaning
Harsh and lacking harmony; conflicting.
Example
The orchestra produced a dissonant sound during rehearsal.
オーケストラはリハーサル中に不協和音を発生させました。
C2 noun /ˌpɪəriəˈdɪsɪti/

periodicity

周期性
Meaning
The quality or state of being regular or recurring at intervals.
Example
The periodicity of the moon’s phases has fascinated humans for centuries.
月の位相の周期性は何世紀にもわたって人々を魅了してきた。
C2 noun /ˈfriːˌmeɪsən/

freemason

フリーメイソンのメンバー
Meaning
A member of an international fraternity known as Freemasonry, focused on moral and spiritual values.
Example
His grandfather was a respected freemason in the community.
彼の祖父はコミュニティで尊敬されているフリーメイソンでした。
C2 adjective /dɪˈtɜːrmɪnət/

determinate

確定的
Meaning
having exact and definite limits or form
Example
The contract is for a determinate period of two years.
契約は2年間の確定した期間です。
C2 adjective /ˈvɪsɪd/

viscid

粘着性のある
Meaning
Having a thick, sticky consistency.
Example
The sap had a viscid texture that stuck to his hands.
樹液はべたべたした質感で、彼の手にくっついていた。
C2 noun /ˈtʃæt.əl/

chattel

動産 / 個人財産
Meaning
a personal possession; historically, movable property including slaves
Example
In the past, slaves were considered the chattel of their owners.
過去には、奴隷は所有者の動産と見なされていました。
C2 noun /ˈrɛlɪkwɛri/

reliquary

聖遺物を保管する容器
Meaning
a container for holy relics
Example
The ancient reliquary was decorated with gold and precious stones.
古代のレリクエアリは金と貴重な石で飾られていました。
C2 adjective /ˌtɔːtəˈlɒdʒɪkəl/

tautological

冗長な
Meaning
expressing something by repeating the same idea in different words; redundant
Example
Saying 'free gift' is considered tautological.
'無料ギフト'と言うことは冗長と見なされます。
C2 adjective /rɪˈfrɪndʒənt/

refringent

屈折性
Meaning
Capable of refracting light or other waves.
Example
The refringent properties of the crystal bent the light into a spectrum.
結晶の屈折性の特性は光をスペクトルに曲げました。
C2 verb /ˌɪntərˈmɪt/

intermit

中断する
Meaning
To suspend or stop for a time; to pause intermittently.
Example
The rain would intermit and then start again.
雨は中断し、再び始まる。
C2 adjective /ˈɪrˌsplɪtɪŋ/

earsplitting

耳をつんざくような
Meaning
extremely loud or piercing sound
Example
The earsplitting noise of the fire alarm startled everyone.
火災警報の耳をつんざくような音がみんなを驚かせた。
C2 noun /ˌiː.kəʊ.tɒkˈsɪ.kə.lə.dʒi/

ecotoxicology

エコトキシコロジー
Meaning
The study of the effects of chemical pollution on the environment.
Example
Ecotoxicology studies the effects of pesticides on wildlife.
エコトキシコロジーは農薬が野生動物に与える影響を研究しています。
C2 adjective /ˈkɑːrpɪŋ/

carping

愚痴
Meaning
continually complaining or finding fault in a petty way
Example
His carping attitude makes teamwork difficult.
彼の愚痴っぽい態度はチームワークを難しくします。
C2 noun /ˌdaɪəˈlɛktɪk/

dialectic

Meaning
A method of argument or reasoning by dialogue, especially as a means of investigating truth.
Example
The philosopher used dialectic to challenge his students' assumptions.
C2 noun /əˈdɛpt.nəs/

adeptness

熟練と巧妙さ
Meaning
Skill and dexterity in a task.
Example
His adeptness in negotiations helped close the deal successfully.
交渉における彼の熟練さは、契約を成功裡に締結するのに役立った。
C2 noun vəˈlɪʃən

volition

意志
Meaning
The faculty or power of using one's will; the power of choosing or determining.
Example
She left the job of her own volition.
彼女は自分の意思で仕事を辞めました。
C2 noun /ˈmoʊlə ˈkɑrplɪt/

Mola carplet

モラ魚
Meaning
a small freshwater fish of the carp family, commonly found in South Asian rivers and ponds
Example
The mola carplet is a popular small fish used in Bengali cuisine.
モラ魚はベンガル料理でよく使われる人気の小さな魚です。
C2 noun /əbˈstrʌkʃənɪst/

obstructionist

Meaning
a person who deliberately delays or prevents progress by being uncooperative or oppositional
Example
The obstructionist in the committee kept delaying the decision-making process.
C2 adjective /ˈtrʌk.jʊ.lənt/

truculent

攻撃的な
Meaning
Eager or quick to argue, fight, or show aggression.
Example
She became truculent when her ideas were challenged.
彼女は自分の考えが挑戦されると攻撃的になった。
C2 adjective /ˌɪn.ɪˈlʌk.tə.bəl/

ineluctable

Meaning
Impossible to avoid or escape; inevitable.
Example
Death is an ineluctable part of human existence.
C2 noun/verb /ɡraʊtʃ/

grouch

不機嫌な人
Meaning
a person who complains a lot or to complain in a grumpy way
Example
He is such a grouch in the morning before coffee.
彼は朝、コーヒーの前にいつもグラウチだ。
C2 adjective /ˌdɒktrɪˈnɛər/

doctrinaire

教条主義者
Meaning
stubbornly devoted to a theory or doctrine without regard to practical considerations
Example
His doctrinaire approach to politics alienated many supporters.
彼の教条主義的な政治アプローチは、多くの支持者を遠ざけた。
C2 verb /ˈwɔːbəl/

warble

震える声で歌うまたはトリルで口笛を吹く
Meaning
To sing or whistle with a quavering voice or with trills.
Example
The bird warbled a sweet tune in the morning.
その鳥は朝に甘いメロディを歌った。
C2 verb /ˈmæsəˌreɪt/

macerate

浸す
Meaning
to soften or break up something, especially food, by soaking in liquid
Example
The chef macerated the fruit in wine before serving.
シェフは果物をワインにマセレートしてから提供しました。
C2 adjective /əˈskjuː/

askew

傾いている
Meaning
Not in a straight or level position; crooked or tilted.
Example
The picture on the wall hung slightly askew.
壁の絵は少し傾いていた。
C2 noun /kənˌɡlɒməˈreɪʃən/

conglomeration

集合体
Meaning
A collection or mixture of different things grouped together.
Example
The market is a conglomeration of small shops and food stalls.
市場は小さな店と食べ物の屋台の集合体です。
C2 noun /ˈlɪbərˌtiːn/

libertine

Meaning
A person who behaves without moral principles, especially in sexual matters.
Example
The novel depicted the reckless life of a libertine in 18th century France.
C2 adjective /ɪmˈpɑːlɪtɪk/

impolitic

無礼な
Meaning
Unwise or imprudent; not showing good judgment.
Example
It would be impolitic to criticize them openly.
彼らを公然と批判するのは無礼だろう。
C2 adjective /ˈneb.jə.ləs/

Nebulous

曖昧な; 不明瞭な; 霧のような
Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
彼の未来の計画は依然として曖昧で不明確です。
C2 noun /kəˈnɑːrd/

canard

Meaning
a false or unfounded story or rumor
Example
The article turned out to be nothing more than a canard.
C2 noun /ˈsiːkənt/

secant

割線
Meaning
A straight line that intersects a curve at two or more points.
Example
In geometry, a secant cuts the circle at two distinct points.
幾何学では、割線は円を二つの異なる点で交差します。
C2 adjective /pəˈnjʊəriəs/

penurious

極度に貧しい
Meaning
extremely poor; poverty-stricken; miserly
Example
The penurious family struggled to buy food.
その極度に貧しい家族は食べ物を買うのに苦しんでいました。
C2 noun /ˌæpəˈleɪʃən/

appellation

名称 / タイトル
Meaning
a name or title
Example
The city has earned the appellation 'The Big Apple'.
その都市は「ビッグアップル」という名称を得ました。
C2 adjective /ˈpɜːˌblaɪnd/

purblind

盲目または無知
Meaning
Having impaired or defective vision; lacking insight or understanding.
Example
The purblind approach to the problem led to many mistakes.
問題に対する盲目的なアプローチは多くの間違いを招いた。
C2 adjective /ˈkɒndaɪn/

condign

相応しい
Meaning
deserved, appropriate, and fitting (especially punishment)
Example
The criminal received condign punishment for his crimes.
犯人は自分の罪にふさわしい罰を受けた。
C2 noun /ˈlev.ɪ.ti/

Levity

軽薄さ; フリヴォリティ; 尊重の欠如
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
法廷での軽薄さは不適切でした。
C2 adjective /ˈpɛkənt/

peccant

有罪
Meaning
Guilty of a moral offense or wrongdoing; sinful.
Example
The judge declared the peccant official unfit for office.
裁判官は有罪の役人を職務に不適格と宣言した。
C2 noun /ɡaɪl/

guile

策略
Meaning
Cleverness or cunning used to achieve a goal, often in a deceptive way
Example
He used guile to win the negotiation.
彼は交渉で勝つために策略を使った。
C2 verb /ˈrʌstɪkeɪt/

rusticate

田舎に行く / 大学から一時的に追放する
Meaning
To go to the countryside or to suspend someone from university.
Example
He decided to rusticate in the village to escape the busy city life.
彼は忙しい都市生活から逃れるために村に行くことを決めました。
C2 noun /ˈoʊ.kəm/

oakum

古いロープの繊維
Meaning
loose fibers obtained by untwisting old ropes, used for caulking ships
Example
The shipbuilders used oakum to seal the gaps in the wooden planks.
船大工たちは木の板の隙間を塞ぐためにオーカムを使いました。
C2 verb /ˈbɜːrdʒən/

burgeon

急速に成長する
Meaning
To grow or develop rapidly; to flourish.
Example
The city's population began to burgeon after the new factory opened.
新しい工場が開設されてから、都市の人口は急速に増加し始めました。
C2 noun ˈoʊʃən ˌstrætɪfɪˈkeɪʃən

ocean stratification

海洋の成層
Meaning
The formation of layers in ocean water due to differences in density.
Example
Ocean stratification affects marine biodiversity.
オーシャンストラティフィケーションは海洋生物多様性に影響を与えます。
C2 verb /ˈfɛstər/

fester

悪化する、激化する
Meaning
to become worse or more intense, often through neglect or infection
Example
If grievances are ignored, they may fester into resentment.
不満を無視すると、それは恨みに変わることがあります。
C2 verb /əˈvaʊtʃ/

avouch

主張する
Meaning
to affirm or assert something as true
Example
He avouched his innocence before the judge.
彼は裁判官の前で無実を主張しました。
C2 adjective /dʒɪˈdʒuːn/

jejune

未熟 / 表面的 / 退屈
Meaning
Naive, simplistic, and superficial; also dull or uninteresting.
Example
The professor dismissed the essay as jejune and lacking depth.
教授はそのエッセイを未熟で深みがないとして却下した。
C2 noun /kəˈræf/

carafe

カラフェ
Meaning
a glass container without handles used for serving drinks like water or wine
Example
The waiter brought a carafe of water to the table.
ウェイターはテーブルに水のカラフェを持ってきた。
C2 noun /blæk ˈkɑːr.də.məm/

Black Cardamom

黒カルダモン
Meaning
a large aromatic spice pod with a smoky flavor, commonly used in Indian and Middle Eastern cooking
Example
Add black cardamom to the curry for a rich, smoky flavor.
カレーに黒カルダモンを加えて、リッチでスモーキーな風味を楽しんでください。
C2 verb /ˈdʒɪb.ər/

gibber

意味不明に話す
Meaning
To speak rapidly and unintelligibly, typically through fear or shock.
Example
The frightened man began to gibber when he saw the ghost.
怖がった男は幽霊を見たとき、意味不明に話し始めた。
C2 adjective /ˈhɛtərəˌdɒks/

heterodox

異端
Meaning
not conforming with accepted or orthodox standards or beliefs
Example
The professor was known for his heterodox views on religion.
教授は宗教についての異端的な見解で知られていました。
C2 noun /ˈbuːbi/

booby

ばか
Meaning
a foolish or gullible person; a silly individual
Example
He felt like a booby after making such a simple mistake.
そんな簡単な間違いをして、彼は自分をばかだと感じた。
C2 noun /æmˈbroʊʒə/

ambrosia

神の食べ物
Meaning
The food of the gods in classical mythology; something extremely pleasing to taste or smell.
Example
The dessert was so delicious that it tasted like ambrosia.
デザートはあまりにも美味しくて、アンブロージアのような味がしました。
C2 noun /ˈbrɪtɪˌsɪzəm/

briticism

イギリス英語の単語または特徴
Meaning
a word, phrase, or characteristic feature of British English
Example
The word 'lorry' is a well-known Briticism.
'lorry' という言葉はよく知られているブリティシズムです。
C2 verb /ɪˈnæmər/

enamor

恋する
Meaning
to be filled with love or admiration for
Example
She was enamored with the beautiful scenery.
彼女は美しい景色に恋していた。
C2 adjective /pərˈspɪkjuəs/

perspicuous

明確
Meaning
Clearly expressed and easily understood; lucid.
Example
The teacher gave a perspicuous explanation of the theory.
先生は理論について明確な説明をしました。
C2 adjective /ˈtjuːmɪd/

tumid

膨らんだ、膨張した、または pompous なスタイル
Meaning
Swollen, enlarged, or pompous in style.
Example
His tumid prose was difficult to read.
彼の膨らんだ散文は読むのが難しかった。
C2 noun /lʌɡˈʒʊəriəns/

luxuriance

贅沢
Meaning
abundant growth, richness, or elegance
Example
The garden was filled with the luxuriance of tropical plants.
庭は熱帯植物の贅沢で満たされていた。
C2 noun /pəˈveɪʒən/

pervasion

蔓延
Meaning
the act of spreading through or being present everywhere in something
Example
There was a pervasion of hope throughout the community.
コミュニティ全体に希望の広がりがあった。
C2 noun /dɪˈstɪlər/

distiller

蒸留業者
Meaning
A person or company that makes alcoholic drinks or purified liquids by distillation.
Example
The distiller introduced a new brand of whiskey last year.
蒸留業者は昨年、新しいウイスキーブランドを紹介しました。
C2 noun /ˈeɪ.viˌɛr.i/

aviary

鳥小屋
Meaning
a large enclosure for keeping birds
Example
The zoo built a new aviary for exotic parrots.
動物園はエキゾチックなオウムのために新しい鳥小屋を作った。
C2 noun /ˈdɪfθɒŋ/

diphthong

二重母音
Meaning
A complex vowel sound that begins with one vowel and glides into another within the same syllable.
Example
The word 'coin' contains a diphthong.
'コイン'という単語には二重母音が含まれています。
C2 adjective /sɪər/

sere

枯れた
Meaning
Dry or withered, especially vegetation.
Example
The sere leaves crumbled under his feet.
枯れた葉が彼の足元で崩れた。
C2 noun /ɪnˈtɛɡ.jʊ.mənt/

integument

外皮
Meaning
A natural outer covering, such as skin, shell, or rind.
Example
The snake sheds its integument as it grows.
ヘビは成長するにつれて外皮を脱ぎます。
C2 noun /ˈliː.vɪŋz/

Leavings

残り物; 余り物
Meaning
things that have been left behind or remain; remnants or scraps
Example
The leavings from dinner were given to the dog.
夕食の残り物は犬に与えられました。
C2 noun, verb /ˈbɛvəl/

bevel

斜面
Meaning
A sloping edge or surface; to cut or shape an edge at an angle.
Example
The carpenter beveled the edges of the table.
大工はテーブルの端を斜めに切りました。
C2 noun /dʒenˈtɪl.ə.ti/

Gentility

上品さ; 洗練
Meaning
social superiority as demonstrated by polite and refined manners; the quality of being well-mannered and refined
Example
Her natural gentility and grace made her popular among high society circles.
彼女の自然な上品さと優雅さは、彼女を高社会層の中で人気者にしました。
C2 noun (plural) /ˌmæk.ɪˈneɪ.ʃənz/

machinations

陰謀
Meaning
complicated and secret plans, often intended to cause harm
Example
The politician was brought down by his own machinations.
その政治家は自分の陰謀によって倒れた。
C2 verb /kəˈmɪŋɡəl/

commingle

混ぜる
Meaning
To mix or blend different things together.
Example
The charity does not commingle donations with operational funds.
チャリティは寄付金を運営資金と混ぜません。
C2 noun /ˈveɪɡəri/

vagary

予測できない変化
Meaning
An unexpected and inexplicable change in a situation or someone's behavior.
Example
The vagaries of the weather made planning difficult.
天気の不規則な変化で計画が難しくなった。
C2 adjective /ˈbrɪndl̩d/

brindled

ぶち模様
Meaning
Having a brownish or tawny color with streaks or spots of another color.
Example
The farmer owned a brindled cow with distinctive stripes.
農家は特徴的なストライプのあるぶち模様の牛を飼っていた。
C2 verb /ˈfrɪtər/

fritter

浪費する
Meaning
To waste time, money, or energy on trivial matters.
Example
He frittered away his savings on unnecessary gadgets.
彼は無駄にお金を浪費しました。
C2 noun /ˈpriːskrɪpt/

prescript

規定
Meaning
An authoritative rule or direction; something laid down as a command.
Example
The prescript of the organization required strict punctuality.
その組織の規定は厳格な時間厳守を要求していた。
C2 noun /lɒŋ ˈwɪskəd ˈkætfɪʃ/

Long whiskered catfish

ナマズ
Meaning
A type of freshwater fish with long whisker-like barbels around its mouth
Example
The fisherman caught a long whiskered catfish in the river.
漁師は川で長いひげのナマズを捕まえた。
C2 noun /ˌvæs.ɪˈleɪ.ʃən/

Vacillation

迷い
Meaning
the inability to decide between different opinions or actions; indecision
Example
His constant vacillation between career choices frustrated his parents.
彼のキャリア選択の間の絶え間ない揺れは、彼の親を困惑させました。
C2 adjective /ɪmˈplækəbl/

implacable

容赦しない
Meaning
unable to be appeased, calmed, or pacified
Example
The soldiers faced an implacable enemy who refused to surrender.
兵士たちは降伏を拒否した容赦しない敵に直面した。
C2 noun /ˈfɔːθ.raɪt.nəs/

forthrightness

坦率さ
Meaning
The quality of being honest and straightforward; directness.
Example
Her forthrightness made her a respected journalist.
Her forthrightness made her a respected journalist.
C2 noun /ˌniːoʊˈdɑːrwɪnɪzəm/

neo-darwinism

ネオダーウィニズム
Meaning
A modern interpretation of Darwin's theory of evolution, integrating genetics and natural selection.
Example
Neo-Darwinism combines Darwin’s theory of natural selection with modern genetics.
ネオダーウィニズムはダーウィンの自然選択説と現代遺伝学を組み合わせています。
C2 noun /ˈʃʊərəti/

surety

保証人
Meaning
a person who takes responsibility for another's performance of an undertaking, such as appearing in court or paying a debt
Example
The landlord required a surety before renting the apartment.
家主はアパートを貸す前に保証人を要求しました。
C2 phrase ˌdʒʊə.rɪs.pruːˈden.ʃəl ˈbentʃ.mɑːk

jurisprudential benchmark

法的基準
Meaning
A legal standard or precedent that serves as a reference point for future legal decisions.
Example
The decision set a jurisprudential benchmark.
その決定は法的基準を設定しました。
C2 noun /ˌfoʊˈtɑːmɪtər/

photometer

光度計
Meaning
an instrument for measuring the intensity of light
Example
The scientist used a photometer to measure the light in the laboratory.
科学者は実験室で光を測定するためにフォトメーターを使用しました。
C2 adjective /ˌʌltrəˈmɒnteɪn/

ultramontane

教皇支持者
Meaning
beyond the mountains, especially referring to support for the Pope over local church authority
Example
The debate highlighted the ultramontane position in church politics.
その討論は教会政治におけるウルトラモンタンの立場を浮き彫りにした。
C2 verb /ˈpælieɪt/

palliate

和らげる
Meaning
to make a disease, symptoms, or problem less severe without removing the cause
Example
The doctor prescribed medicine to palliate the patient's pain.
医者は患者の痛みを和らげるために薬を処方しました。
C2 adverb /əˈbɛd/

abed

ベッドで
Meaning
in bed
Example
She stayed abed all day due to illness.
病気のため、彼女は一日中ベッドで寝ていました。
C2 verb /kəˈnoʊt/

connote

示唆する
Meaning
To suggest or imply an additional meaning beyond the literal one.
Example
The word 'youthful' connotes energy and vitality.
「若々しい」という言葉はエネルギーと活力を示唆します。
C2 verb /bɪˈdræɡəl/

bedraggle

泥や水を引きずって物を濡らし、汚し、乱れさせる
Meaning
to make something wet, dirty, and untidy by dragging it through mud or water
Example
The children came home bedraggled after playing in the rain.
子供たちは雨の中で遊んだ後、濡れて泥だらけで家に帰った。
C2 adjective /ˈsuːpaɪn/

supine

仰向けで横たわる
Meaning
Lying on the back, face upward; failing to act due to laziness or weakness.
Example
He lay supine on the grass, staring at the stars.
彼は草の上に仰向けで横たわり、星を見ていた。
C2 noun /ˈmæl.əˌfæk.tər/

malefactor

悪党
Meaning
A person who commits a crime or does evil.
Example
The malefactor was arrested for the robbery.
その悪党は強盗で逮捕された。
C2 adjective /ˌɪrɛvəˈrɛnʃəl/

irreverential

無礼な
Meaning
Showing a lack of respect for things that are generally taken seriously.
Example
His irreverential humor often shocked traditional audiences.
彼の無礼なユーモアはしばしば伝統的な観客を驚かせました。
C2 adjective /ɪnˈfɜːrnəl/

infernal

地獄の
Meaning
relating to hell; extremely troublesome or annoying
Example
The workers complained about the infernal noise from the construction site.
労働者たちは建設現場からの地獄のような騒音について文句を言った。
C2 adjective /ˈkrɛstˌfɔːlən/

crestfallen

がっかりした
Meaning
sad and disappointed
Example
He looked crestfallen after hearing the bad news.
彼は悪い知らせを聞いてがっかりしていた。
C2 noun /ˌɪnkænˈteɪʃən/

incantation

呪文
Meaning
a series of words used as a magic spell or charm
Example
The wizard chanted an incantation to summon the spirits.
魔法使いは霊を呼び出すために呪文を唱えました。
C2 noun /ˈʌŋkʃən/

unction

聖別
Meaning
The act of anointing as part of a religious or ceremonial ritual; excessive or insincere flattery.
Example
The priest performed the holy unction with solemnity.
司祭は厳粛に聖別の儀式を行った。
C2 noun /hɜːrˈbɛəriəm/

herbarium

標本館
Meaning
A collection of preserved plant specimens and associated data used for scientific study.
Example
The university maintains a large herbarium for research and education.
大学は研究と教育のために大きな標本館を維持しています。
C2 noun /ˌɪntərˈrɛɡnəm/

interregnum

政権空白期
Meaning
A period between rulers or governments when normal leadership is suspended.
Example
The country faced instability during the interregnum after the king’s death.
国王の死後、国は政権空白期に不安定さに直面した。
C2 verb /ˌæntɪˈsiːd/

antecede

前に来る
Meaning
to come before in time or order
Example
A short introduction usually antecedes the main text.
短い紹介は通常、本文の前に来ます。
C2 noun /ˌhjuː.mɪ.fɪˈkeɪ.ʃən/

humification

腐植化
Meaning
The process of organic matter decomposition to form humus in soil.
Example
Humification enhances soil structure and fertility.
腐植化は土壌の構造と肥沃度を向上させます。
C2 adjective /dɪˈdjuːsəbl/

deducible

推測可能な
Meaning
able to be deduced; possible to be inferred
Example
The solution is deducible from the data provided.
解決策は提供されたデータから推測可能です。
C2 noun /ləˈdʒɪʃən/

logician

論理学者
Meaning
A person skilled in logic and reasoning.
Example
Aristotle is considered one of the greatest logicians in history.
アリストテレスは歴史上最も偉大な論理学者の一人と見なされています。
C2 noun /ˈsʊrmə fɪʃ/

Surma fish

スルマ魚
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.
スルマ魚はシレット地域の川に生息しています。
C2 verb /ˈhɑːrkən/

hearken

注意深く聞く
Meaning
To listen attentively; to give heed.
Example
He would hearken to his mentor’s advice before making decisions.
彼は意思決定を下す前に、メンターのアドバイスに耳を傾けた。
C2 adjective /ˈlɪtərəl/

littoral

沿岸の
Meaning
Related to or situated on the shore of the sea or a lake.
Example
The littoral zone is home to many unique marine species.
沿岸地域は多くのユニークな海洋種の生息地です。
C2 verb /ˈvaɪtəlaɪz/

vitalize

活力を与える
Meaning
To give life, energy, or strength to something.
Example
Fresh air and exercise can vitalize the body and mind.
新鮮な空気と運動は体と心に活力を与えることができます。
C2 noun /reɪθ/

wraith

幽霊
Meaning
A ghost or ghostlike image of someone, especially seen shortly before or after their death.
Example
A wraith appeared in the fog near the old castle.
古い城の近くの霧の中に幽霊が現れました。
C2 verb /haɪ/

hie

急ぐ
Meaning
to go quickly; hasten
Example
He hied to the station to catch the train.
彼は電車に乗るために駅へ急いだ。
C2 noun /ˈmeɪsə/

mesa

メサ
Meaning
An isolated flat-topped hill with steep sides, found in arid regions.
Example
The hikers stopped to admire the mesa rising above the desert floor.
ハイカーたちは砂漠の床から突き出たメサを賞賛するために立ち寄りました。
C2 noun /ˈdɛkəˌɡræm/

decagram

デカグラム
Meaning
A metric unit of mass equal to ten grams.
Example
The package weighed exactly one decagram.
そのパッケージはちょうど1デカグラムの重さでした。
C2 noun /ˈɑːrtləsnəs/

artlessness

素朴さ, 自然さ
Meaning
The quality of being natural and simple without deceit or pretension.
Example
Her artlessness made her beloved by all.
彼女のartlessnessは、彼女をみんなに愛される存在にした。
C2 verb /aɪˈtɪnəˌreɪt/

itinerate

旅行する
Meaning
To travel from place to place, usually for the purpose of work or preaching.
Example
The missionary itinerated throughout the region to spread the message.
伝道師は地域を巡り、メッセージを広めました。
C2 adverb /ɪnˈdjuːbɪtəbli/

indubitably

疑いなく
Meaning
Without a doubt; certainly.
Example
She is indubitably the best candidate for the job.
彼女は疑いなくその仕事の最良の候補者です。
C2 verb /əˈsɛvəˌreɪt/

asseverate

断言する
Meaning
to affirm or declare positively and earnestly
Example
He asseverated that he had never seen the man before.
彼はその男を以前見たことがないと断言した。
C2 noun /ˈfræŋkɪnsɛns/

frankincense

お香
Meaning
An aromatic gum resin used in incense and perfumes, often in religious ceremonies.
Example
The temple was filled with the sweet smell of burning frankincense.
寺院は燃えるお香の甘い香りで満ちていました。
C2 noun /ˈaɪ.lət/

islet

小島
Meaning
A very small island.
Example
The fishermen rested on a tiny islet before continuing their journey.
漁師たちは旅を続ける前に小さな島で休憩しました。
C2 noun /ˌkɔːrnjuˈkoʊpiə/

cornucopia

物事の豊富な供給または溢れんばかりの供給
Meaning
an abundance or overflowing supply of something
Example
The festival offered a cornucopia of fruits and sweets.
祭りでは果物とお菓子のコルヌコピアが提供されました。
C2 adjective /ˈmoʊtaɪl/

motile

運動性のある
Meaning
Capable of movement or locomotion.
Example
Certain bacteria are motile and can swim toward nutrients.
特定の細菌は運動性があり、栄養素に向かって泳ぐことができます。
C2 noun /məˈnæʒəri/

menagerie

野生動物のコレクション
Meaning
a collection of wild animals kept for exhibition; a diverse or strange group of people or things
Example
The circus had a menagerie of exotic animals.
サーカスには異国的な動物のコレクションがありました。
C2 noun /lɪˈbrɛtoʊ/

libretto

オペラの台本
Meaning
The text of an opera or other long vocal work.
Example
She studied the libretto before attending the opera performance.
彼女はオペラの公演に行く前にリブレットを勉強しました。
C2 noun /ˌɪmpjuˈteɪʃən/

imputation

非難
Meaning
an accusation or attribution of blame
Example
The politician denied the imputation of corruption.
政治家は腐敗の非難を否定した。
C2 noun /tʃæf/

Chaff

ふすま; 価値のないもの; 軽い冗談
Meaning
the husks of corn or other seed separated by winnowing; worthless things; light-hearted joking
Example
The farmer separated the wheat from the chaff using traditional methods.
農夫は伝統的な方法で小麦をふすまから分けました。
C2 adjective /ˈtræktəbəl/

tractable

制御可能または影響を与えることができる
Meaning
easy to control or influence
Example
The child was surprisingly tractable during the long journey.
その子供は長い旅の間、驚くほど制御可能だった。
C2 adjective /ˈæk.rɪd/

Acrid

辛くて不快な
Meaning
having a strong, unpleasant, and sharp smell or taste
Example
The acrid smoke from the fire made everyone cough.
火事の辛くて不快な煙がみんなを咳き込ませた。
C2 verb /læmˈbæst/

lambast

厳しく批判する
Meaning
To criticize harshly or to beat severely.
Example
The coach lambasted the team for their poor performance.
コーチはチームのパフォーマンスの悪さを厳しく非難しました。
C2 verb /məˈtrɪkjʊˌleɪt/

matriculate

Meaning
To enroll as a student in a college or university.
Example
She matriculated at Oxford University last year.