sanguinary
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C2 adjective /ˈsæŋɡwɪˌnɛri/

sanguinary

血腥的
Meaning
Involving or causing much bloodshed; bloodthirsty.
Example
The battle was one of the most sanguinary conflicts of the war.
这场战斗是战争中最血腥的冲突之一。
C2 adjective /ɪmˈpɪəriəs/

imperious

专横
Meaning
Arrogantly domineering or overbearing.
Example
Her imperious tone made it hard for others to argue.
她那种专横的语气让其他人很难反驳。
C2 noun /mjuːz/

mews

小巷/窄街
Meaning
A row or street of houses or apartments that have been converted from stables or built to look like former stables.
Example
They rented a small flat in a quiet London mews.
他们在伦敦的一个安静的mews租了一间小公寓。
C2 noun /əbˈdʌktər/

abductor

绑架者
Meaning
a person who kidnaps or forcibly takes someone away
Example
The police arrested the abductor after a nationwide search.
警方在长时间搜查后逮捕了绑架者。
C2 noun /ˈkʌvən/

coven

女巫集会
Meaning
a group or gathering of witches
Example
The witches met secretly in a coven in the forest.
女巫们在森林中的一个女巫集会中悄悄聚集。
C2 noun /ˈmɔːreɪz/

mores

风俗
Meaning
the essential or characteristic customs and conventions of a community
Example
Social mores often dictate how people behave in public.
社会风俗常常决定人们在公共场合的行为。
C2 noun /ˈlætɪs/

lattice

格子结构
Meaning
A structure of crossed strips arranged in a grid or crisscross pattern.
Example
The garden was decorated with a wooden lattice covered in vines.
花园里装饰着一座覆盖着藤蔓的木质格子结构。
C2 adjective /laɪˈsɛnʃəs/

licentious

放荡不羁
Meaning
Lacking moral restraint; disregarding accepted rules of conduct.
Example
The novel was criticized for its licentious themes.
这部小说因其放荡不羁的主题而受到批评。
C2 noun /ˈbræɡərt/

braggart

吹牛者
Meaning
a person who boasts about achievements or possessions
Example
No one liked him because he was such a braggart.
没有人喜欢他，因为他是个吹牛者。
C2 adjective /ˈluːpi/

loopy

疯癫
Meaning
crazy, silly, or eccentric
Example
After working all night, he felt a little loopy.
整夜工作后，他感觉有点疯癫。
C2 noun /naɪt kwiːn/

Night queen

夜来香
Meaning
a fragrant white flower that blooms at night and releases strong sweet scent
Example
The night queen flowers filled the garden with their sweet fragrance.
夜来香花让花园充满了甜美的香气。
C2 noun /ˈniːəˌfaɪt/

neophyte

新手
Meaning
A beginner or novice in a subject, skill, or belief.
Example
As a neophyte in programming, she often asked for guidance from her mentor.
作为编程的新手，她经常向她的导师请教。
C2 adjective /ˈlɔːdəˌtɔːri/

laudatory

赞扬的
Meaning
Expressing praise or admiration.
Example
She wrote a laudatory review of the new book.
她写了本书的赞扬评论。
C2 verb /ˈkɒdʒɪteɪt/

cogitate

深思
Meaning
to think deeply about something; to meditate or reflect
Example
He sat by the river to cogitate on his future plans.
他坐在河边，思考他的未来计划。
C2 verb /əˈreɪn/

arraign

起诉
Meaning
to formally accuse someone in a court of law and ask them to respond to the charges
Example
The suspect was arraigned before the judge this morning.
嫌疑人在今天早晨被指控出庭。
C2 verb /ɪˈfeɪsɪŋ/

effacing

抹去 / 使自己不显眼
Meaning
erasing or making oneself inconspicuous; to remove or diminish in significance
Example
She kept effacing herself during the meeting so that others could shine.
她在会议期间不断抹去自己，以便其他人能够发光。
C2 noun /ˈnɪn.i/

Ninny

傻瓜
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
不要做傻瓜，动动脑子！
C2 noun /ˈeɪʒən swɒmp iːl/

Asian swamp eel

亚洲沼泽鳗
Meaning
a snake-like freshwater fish that can survive in muddy waters and is considered a delicacy in South Asian cuisine
Example
Asian swamp eel can breathe air and survive in shallow muddy waters.
亚洲沼泽鳗能呼吸空气并在浑浊的浅水中生存。
C2 noun /əˈfeɪ.ʒə/

aphasia

Meaning
a medical condition that causes loss of ability to speak or understand language
Example
After the stroke, she was diagnosed with aphasia.
C2 adjective ˌmɔː.fəˈlɒdʒ.ɪ.kəl

morphological

与词汇结构和构成有关
Meaning
Related to the structure and formation of words; concerning morphology in linguistics.
Example
Morphological analysis helps AI understand word structures.
形态学分析帮助人工智能理解单词结构。
C2 verb /ˈjuːləˌdʒaɪz/

eulogize

颂扬
Meaning
To praise highly in speech or writing, especially in honor of someone who has died.
Example
They gathered to eulogize their beloved teacher.
他们聚集在一起，悼念他们亲爱的老师。
C2 noun /dɪˈbɛntʃər/

debenture

债券
Meaning
a type of debt instrument not secured by physical assets or collateral
Example
The company raised capital by issuing debentures to investors.
公司通过向投资者发行债券筹集资金。
C2 noun /ˌɪrɪˈdɛsəns/

iridescence

虹彩光泽
Meaning
a play of lustrous, changing colors like those of a rainbow
Example
The butterfly's wings shimmered with iridescence.
蝴蝶的翅膀闪耀着虹彩光泽。
C2 adjective /ˈlæmbənt/

lambent

柔和的发光
Meaning
glowing or flickering softly; having a gentle radiance
Example
The lambent light of the candle filled the room with warmth.
蜡烛的柔和光线充满了房间的温暖。
C2 adjective /ˈfuːlˌhɑːrdi/

foolhardy

轻率的
Meaning
Recklessly bold or rash; taking foolish risks.
Example
It was foolhardy of him to climb the mountain without proper gear.
他在没有适当装备的情况下攀登山峰，真是轻率的行为。
C2 noun /meɪndʒ/

mange

疥癣
Meaning
a skin disease in animals caused by parasitic mites, leading to hair loss and sores
Example
The stray dog was suffering from mange.
流浪狗正在忍受疥癣。
C2 noun /ˈdɪti/

ditty

简短的歌曲
Meaning
a short, simple song or poem
Example
She sang a cheerful little ditty while cooking.
她一边做饭一边唱着愉快的小歌曲。
C2 verb /ˈbeɪɪŋ/

baying

狂吠
Meaning
making a loud, prolonged barking or howling sound, especially of dogs
Example
The baying of the hounds echoed through the forest.
猎犬的叫声在森林中回响。
C2 verb /əˈlɪtəreɪt/

alliterate

使用押头韵
Meaning
to repeat the same consonant sound at the beginning of words in a phrase or sentence
Example
The poet often alliterates words to create rhythm.
诗人经常押头韵来创造节奏。
C2 noun /ˌdʒerənˈtɑːkrəsi/

gerontocracy

老年统治
Meaning
A system of government or control by old people.
Example
The country was seen as a gerontocracy, dominated by elderly leaders.
这个国家被视为一个老年统治的国家，由年长的领导人主导。
C2 noun /ˌɪn.strəˈmɛn.təl.ɪst/

instrumentalist

乐器演奏者
Meaning
A person who plays a musical instrument.
Example
The instrumentalist played a beautiful solo on the violin.
乐器演奏者在小提琴上演奏了一首美丽的独奏曲。
C2 verb /dɪsˈbɜːrs/

disburse

分配
Meaning
to pay out money, especially from a fund
Example
The organization will disburse the funds to the affected families.
该组织将把资金分配给受影响的家庭。
C2 adjective ˈɛr.jʊ.daɪt

erudite

博学的或聪明的
Meaning
Having or showing great knowledge or learning; scholarly and intellectual.
Example
The professor's erudite lecture fascinated the students.
教授的博学讲座让学生们着迷。
C2 adjective /djuːˈplɪsɪtəs/

duplicitous

虚伪的
Meaning
Deceitful; deliberately deceptive or dishonest.
Example
The politician was criticized for his duplicitous statements.
这位政治家因其虚伪的言论而受到批评。
C2 verb /juˈzɜrp/

usurp

篡位
Meaning
to take someone's position of power illegally or by force
Example
The general tried to usurp the king's throne.
将军试图篡夺国王的王位。
C2 noun /praɪˈveɪʃən/

privation

匮乏, 贫困
Meaning
A state in which things essential for human well-being such as food and warmth are lacking.
Example
The refugees suffered great privation during the harsh winter.
难民在严寒的冬天遭受了极大的匮乏。
C2 noun /ˈsɪbəraɪt/

sybarite

奢侈者
Meaning
a person who loves luxury and pleasure
Example
The millionaire was a true sybarite who lived only for comfort and enjoyment.
那位百万富翁是真正的奢侈者，他只为舒适和享乐而活。
C2 adjective /ˈmɛtrɪkəl/

metrical

韵律的
Meaning
Relating to or composed in a regular rhythmic pattern of beats or meter, especially in poetry.
Example
The poet carefully followed metrical rules in his verses.
诗人在他的诗句中小心地遵循了韵律规则。
C2 adjective /ˈfæl.oʊ/

fallow

休耕地
Meaning
Describing land that is left unplanted for a period to restore its fertility, allowing soil to recover nutrients and break pest and disease cycles.
Example
Farmers leave their fields fallow to restore soil fertility.
农民将土地休耕，以恢复土壤肥力。
C2 adjective /ɪˈnɪkwɪtəs/

iniquitous

不公正
Meaning
grossly unfair and morally wrong
Example
Slavery was one of the most iniquitous practices in history.
奴隶制是历史上最不公正的实践之一。
C2 verb /kædʒ/

cadge

乞讨
Meaning
To beg or obtain something, especially food or money, without paying for it.
Example
He tried to cadge a free meal from the restaurant.
他试图从餐厅要一顿免费的饭。
C2 verb /dɪˈdʒɛkt/

deject

使沮丧
Meaning
to make someone feel sad, depressed, or dispirited
Example
The news of his failure seemed to deject him deeply.
他的失败消息似乎深深地让他感到沮丧。
C2 verb /ˌdɛlɪˈkwɛs/

deliquesce

通过吸收空气中的水分变为液体
Meaning
to become liquid by absorbing moisture from the air
Example
The salt began to deliquesce after being left in the humid room.
盐开始在潮湿的房间里变成液体。
C2 adjective /ˈstɜːr.tər.əs/

stertorous

重呼吸声
Meaning
Characterized by heavy snoring or breathing.
Example
The patient’s stertorous breathing alarmed the nurses.
病人的重呼吸声让护士们感到惊讶。
C2 noun /ˈpɪnəs/

pinnace

小船
Meaning
a small boat, often carried by a larger ship
Example
The sailors used a pinnace to reach the shore.
水手们用小船到达了岸边。
C2 noun /pəˈlɛmɪks/

polemics

辩论
Meaning
the art or practice of engaging in controversial debate or dispute
Example
The conference was full of polemics on economic reforms.
会议充满了关于经济改革的辩论。
C2 adjective /ləˈkɒnɪk/

laconic

简洁的
Meaning
using very few words; concise to the point of seeming rude or mysterious
Example
His laconic reply ended the conversation quickly.
他简洁的回答迅速结束了谈话。
C2 noun /səˈɡæs.ə.t̬i/

sagacity

深厚的智慧
Meaning
The quality of being sagacious; having or showing keen mental discernment and good judgment.
Example
His sagacity made him a great leader.
他的萨加西蒂使他成为伟大的领导者。
C2 adjective /ˈdɪfɪdənt/

diffident

Meaning
Shy or lacking confidence in one's own abilities.
Example
He was too diffident to ask a question in class.
C2 noun /ˈskɪz.əm/ or /ˈsɪz.əm/

schism

幸福
Meaning
A division or split between strongly opposed parties, often in religion or organizations.
Example
The schism in the church led to the formation of two separate groups.
她在收到奖项时无法掩饰她的幸福。
C2 noun /ˈmɪsɪv/

missive

信件
Meaning
a written message, especially a formal or official letter
Example
He sent a long missive to the governor.
他给州长发送了一封长信。
C2 adjective /ˈɪl bred/

Ill-bred

无教养的
Meaning
lacking good manners; rude; showing poor upbringing
Example
His ill-bred behavior shocked everyone at the dinner party.
他的无教养行为让晚宴上的每个人都震惊。
C2 noun /ˈbeɪlɔːr/

bailor

寄托人
Meaning
a person who temporarily transfers possession of goods or property to another under a bailment agreement
Example
The bailor entrusted the valuable artwork to the museum for safekeeping.
寄托人把艺术品交给了博物馆。
C2 noun /ˈɡʌp.i fɪʃ/

Guppy fish

孔雀鱼
Meaning
a small colorful freshwater fish popular in aquariums, known for its vibrant colors and easy breeding
Example
The guppy fish is perfect for beginners who want to start an aquarium.
孔雀鱼非常适合想要开始水族箱的初学者。
C2 noun /ˌɪn.trəˈɡreʃ.ən/

introgression

基因引入
Meaning
The transfer of genetic information from one species to another through repeated backcrossing.
Example
Introgression plays a significant role in plant breeding.
基因引入在植物育种中起着重要作用。
C2 adjective /ˈlaɪðsəm/

lithesome

柔韧且优雅
Meaning
gracefully flexible and supple
Example
Her lithesome figure allowed her to move like a ballerina.
她的柔韧身姿使她能像芭蕾舞者一样舞动。
C2 adjective /ɒmˈnɪp.ə.tənt/

omnipotent

全能
Meaning
Having unlimited power; able to do anything; all-powerful.
Example
In many religions, God is considered omnipotent.
在许多宗教中，上帝被认为是全能的。
C2 noun /ˈhɛksəˌpɒd/

hexapod

六足动物
Meaning
An insect or other organism with six legs.
Example
The scientist observed a hexapod crawling on the leaf.
科学家观察到一个六足动物在叶子上爬行。
C2 adjective /ˌɪnˈekspɜːrt/

inexpert

不熟练的
Meaning
not skilled or experienced; lacking expertise
Example
The inexpert handling of the machine caused several mistakes.
对机器的不熟练操作导致了多次错误。
C2 adjective /ˈhæl.si.ən/

halcyon

宁静的
Meaning
calm, peaceful, and happy; denoting a period of time in the past that was idyllically happy and peaceful
Example
She often reminisces about the halcyon days of her childhood.
她经常回忆起她童年时宁静的日子。
C2 adjective /ˌʌltrəˈmʌndeɪn/

ultramundane

超凡
Meaning
Relating to things beyond the physical world; supernatural or transcendental.
Example
Philosophers often discuss ultramundane realities beyond human perception.
哲学家们常常讨论超越人类感知的超凡现实。
C2 adjective /ˈhaɪd.baʊnd/

hidebound

Meaning
unwilling or unable to change because of tradition or convention
Example
He is too hidebound to accept new ideas.
C2 adjective /rɪˈmiːdiəbl/

remediable

可修复的
Meaning
capable of being corrected or cured
Example
The mistake was serious but still remediable.
这个错误很严重，但仍然是可修复的。
C2 adjective /læŋk/

lank

高而瘦
Meaning
Tall, thin, and often awkward in appearance.
Example
The lank teenager towered over his classmates.
那个高而瘦的少年比他的同班同学高。
C2 adjective /ˌɪnkɔːrˈpɔːriəl/

incorporeal

无形的
Meaning
lacking a physical body; not composed of matter; intangible
Example
Ghosts are often described as incorporeal beings.
鬼魂常被描述为无形的存在。
C2 adjective /ˈpeɪli/

paly

条纹的
Meaning
striped with different colors, usually used in heraldry
Example
The knight’s shield was decorated with paly stripes of red and gold.
骑士的盾牌上装饰着红色和金色的条纹。
C2 noun /briːtʃ/

breech

Meaning
The back part of a gun barrel; a position of a baby in the womb where the buttocks or feet come out first at birth.
Example
The rifle was loaded through the breech.
C2 adjective /ɪmˈpæsɪbəl/

impassible

不可忍受的
Meaning
Incapable of suffering or feeling pain (used mainly in theological or philosophical contexts).
Example
Some philosophers argue that God is impassible and cannot experience human emotions.
一些哲学家认为上帝是不可忍受的，无法体验人类的情感。
C2 verb /kənˈdʒiːl/

congeal

凝固
Meaning
to become thick or solid, especially from cooling
Example
The soup began to congeal after being left on the table.
汤开始在桌子上放置后变稠。
C2 verb /əˈniːl/

anneal

通过加热使硬化
Meaning
To heat and cool metal or glass to make it stronger or less brittle.
Example
The blacksmith annealed the steel to improve its durability.
铁匠为了提高钢的耐久性进行了退火。
C2 noun /ˈdʒɛtsəm/

jetsam

从船上丢弃的无用物品，被冲到岸上的物品
Meaning
Unwanted material or goods thrown overboard from a ship and washed ashore.
Example
The beach was littered with jetsam after the storm.
风暴过后，海滩上充满了杰特萨姆。
C2 noun /ˈpɒl.iˌθi.ɪz.əm/

polytheism

多神教
Meaning
the belief in or worship of multiple gods
Example
Ancient Greeks practiced polytheism, worshiping gods like Zeus and Athena.
古希腊人实践多神教，崇拜像宙斯和雅典娜这样的神灵。
C2 verb /ˌfɔːrˈrʌn/

forerun

预示
Meaning
To go before; to precede in time, place, or action.
Example
Dark clouds often forerun a storm.
乌云常常预示着暴风雨。
C2 noun /ɪkˈsɔːr.ə/

Ixora

伊克索拉
Meaning
a tropical flowering shrub with clusters of small bright red, orange, or yellow flowers
Example
The bright red ixora bushes lined the pathway to the tropical garden.
亮红色的伊克索拉灌木排成行，沿着通往热带花园的小径。
C2 adjective /ˈlɪtərəl/

littoral

沿海的
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.
沿海地区是许多独特海洋物种的栖息地。
C2 noun /ˈhelmz.mən/

Helmsman

舵手; 船长
Meaning
a person who steers a ship or boat; the person at the helm of a vessel
Example
The experienced helmsman skillfully guided the yacht through the narrow channel during the storm.
经验丰富的舵手在暴风雨中熟练地引导游艇通过狭窄的航道。
C2 noun /dʒenˈtɪl.ə.ti/

Gentility

绅士风度; 精致
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.
她的自然绅士风度和优雅使她在上层社会圈子中非常受欢迎。
C2 noun /ˈrɒndoʊ/

rondo

音乐作品（具有重复主题）
Meaning
a musical composition with a recurring leading theme
Example
The pianist ended the recital with a lively rondo.
钢琴家以一首生动的朗多结束了演奏。
C2 noun /ˈtjuːtərʃɪp/

tutorship

辅导
Meaning
The office or position of a tutor; guidance or instruction given by a tutor.
Example
He thrived under the tutorship of his mentor.
他在导师的辅导下取得了成功。
C2 verb /ˈblækˌbɔːl/

blackball

排除
Meaning
to exclude someone socially or vote against their membership in a group or club
Example
He was blackballed from the club after the controversy.
他因争议被俱乐部除名。
C2 noun /ˈweɪvlət/

wavelet

小波
Meaning
a small wave or ripple on the surface of water or another medium
Example
The pond was disturbed only by the tiny wavelets caused by the breeze.
池塘只有微风引起的小波动才会扰动。
C2 verb /bɪˈfaʊl/

befoul

污染
Meaning
to make dirty or polluted; to disgrace or corrupt
Example
The factory waste befouled the river.
工厂废物污染了河流。
C2 verb /dɔːb/

daub

涂抹
Meaning
to spread a thick or sticky substance carelessly on a surface
Example
The children daubed paint all over the walls.
孩子们把油漆涂遍了墙壁。
C2 noun /traɪˈʌmvɪrət/

triumvirate

三头政治
Meaning
A political regime ruled or dominated by three powerful individuals.
Example
The Roman Republic was once governed by a triumvirate.
罗马共和国曾一度由三头政治治理。
C2 noun /ˈɛpɪɡræm/

epigram

警句
Meaning
A short, witty saying or poem that expresses an idea in a clever way.
Example
Oscar Wilde was famous for his sharp epigrams.
奥斯卡·王尔德因其犀利的警句而闻名。
C2 noun /ˈɜːrtʃɪn/

urchin

街头小孩
Meaning
a mischievous or poorly dressed child, often from the streets
Example
The ragged urchins played by the riverbank.
那些穿着破烂的街头小孩在河边玩耍。
C2 verb /ˈɑːbvieɪt/

obviate

消除
Meaning
To remove a need or difficulty; to prevent or avoid something.
Example
This new system obviates the need for manual data entry.
这个新系统消除了手动输入数据的需要。
C2 noun /blæk ˈkɑːr.də.məm/

Black Cardamom

黑豆蔻
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.
在咖喱中加入黑豆蔻，增添丰富的烟熏味。
C2 noun /ˈlɪniəmənt/

lineament

面部特征
Meaning
A distinctive feature or characteristic, especially of the face.
Example
Her delicate lineaments revealed her noble birth.
她精致的面部特征揭示了她高贵的出身。
C2 adjective /dɪˈkrɛpɪt/

decrepit

破旧
Meaning
worn out or weakened by age or neglect
Example
The decrepit old house was on the verge of collapse.
那座破旧的老房子几乎要坍塌了。
C2 adjective /ˌpɛstɪˈlɛnʃəl/

pestilential

瘟疫的
Meaning
Relating to or causing pestilence; very harmful, troublesome, or dangerous.
Example
The pestilential smell of the garbage filled the street.
垃圾的瘟疫气味充满了街道。
C2 noun /ˌsæv.wɑːr ˈfeər/

savoir-faire

社交技巧
Meaning
The ability to act or speak appropriately in social situations; polished social skills.
Example
She handled the delicate situation with remarkable savoir-faire.
她以卓越的社交技巧处理了这一棘手的情况。
C2 noun /ˈtɒksɪn/

tocsin

警报钟
Meaning
an alarm bell or signal; a warning that something bad is about to happen
Example
The data breach sounded a tocsin for stricter security.
数据泄露响起了警报钟，警示着需要更严格的安全措施。
C2 noun /traɪst/

tryst

秘密约会
Meaning
a private romantic meeting between lovers
Example
They arranged a secret tryst in the park.
他们在公园里安排了一个秘密约会。
C2 adjective /ˌsɛm.iˈkɒn.ʃəs/

semiconscious

半意识的
Meaning
Only partly conscious; not fully aware of surroundings.
Example
He was semiconscious after the accident and could barely respond.
他在事故后半意识清醒，几乎无法回应。
C2 verb /əˈmælɡəmeɪt/

amalgamate

合并
Meaning
to combine or unite to form one organization or structure; to merge
Example
The two companies decided to amalgamate their operations.
这两家公司决定合并他们的运营。
C2 verb /ˈɛkspieɪt/

expiate

Meaning
to make amends for guilt or wrongdoing
Example
He tried to expiate his crime by helping the poor.
C2 noun /kɒŋk/

Conck

海螺
Meaning
a shell, especially a large spiral one used as a horn or for decoration
Example
The priest blew the conch shell to signal the start of the ceremony.
祭司吹响了海螺，标志着仪式的开始。
C2 noun /ˈfɒpəri/

foppery

浮夸
Meaning
Foolish or excessive concern with one's appearance or manners; pretentious behavior.
Example
His obsession with fashion was dismissed as mere foppery.
他对时尚的痴迷被当作浮夸。
C2 adjective /ˈfer.əs/

ferrous

含铁的
Meaning
containing or consisting of iron
Example
Ferrous metals are commonly used in construction.
铁金属常用于建筑中。
C2 verb /əkˈsiːd/

accede

同意
Meaning
to agree to a request, proposal, or demand; to assume an office or position
Example
The government finally acceded to the demands of the protesters.
政府最终同意了抗议者的要求。
C2 verb /ˈdʒɪb.ər/

gibber

语无伦次地说
Meaning
To speak rapidly and unintelligibly, typically through fear or shock.
Example
The frightened man began to gibber when he saw the ghost.
那个害怕的男人看到鬼魂时开始语无伦次地说话。
C2 noun /dɪˌsɪdəˈreɪtəm/

desideratum

必需品
Meaning
something that is desired or considered necessary
Example
For many students, financial aid is a desideratum.
对于许多学生来说，经济援助是一项必需品。
C2 noun /ˈdɛvɪlri/

devilry

恶作剧
Meaning
Wicked or cruel behavior; mischievous actions.
Example
The children were full of devilry on Halloween night.
万圣节那天，孩子们充满了恶作剧。
C2 adjective /ˌpɛnɪˈtɛnʃəl/

penitential

忏悔的
Meaning
Relating to or expressing penitence or penance.
Example
The priest delivered a penitential sermon on forgiveness.
牧师讲了关于宽恕的忏悔讲道。
C2 adjective /ʌnˈtʃeɪst/

Unchaste

不道德的; 不纯洁的;
Meaning
not celibate; having engaged in sexual relations; lacking moral purity
Example
The conservative society considered her behavior unchaste and improper.
保守的社会认为她的行为不道德和不合适。
C2 adjective /ɪnˈɛk.wɪ.tə.bəl/

inequitable

不公平
Meaning
Not fair or just; lacking in fairness or equality.
Example
The distribution of resources was inequitable among the workers.
资源的分配在工人之间是不公平的。
C2 noun /ˈjuːfəni/

euphony

和谐的音调
Meaning
The quality of being pleasing to the ear, especially through harmonious combination of words.
Example
The orator's speech was full of euphony and rhythm.
演讲者的演讲充满了和谐的音韵和节奏。
C2 noun /ˌmænjəˈmɪʃən/

manumission

奴隶解放
Meaning
The act of a slave owner freeing their slaves.
Example
The manumission of the slaves marked a turning point in history.
奴隶的解放标志着历史的转折点。
C2 noun /ɪmˈbroʊlioʊ/

imbroglio

混乱
Meaning
An extremely confused, complicated, or embarrassing situation.
Example
The political imbroglio lasted for months without resolution.
政治上的混乱持续了几个月，没有得到解决。
C2 noun /kəˈdʒoʊləri/

cajolery

奉承
Meaning
Flattering or coaxing talk intended to persuade someone.
Example
Through cajolery, he convinced his boss to grant him a raise.
通过奉承，他说服了老板给他加薪。
C2 verb /ɪmˈpeɪl/

impale

刺穿
Meaning
to pierce or fix something with a sharp object
Example
The knight was impaled by the enemy’s spear.
骑士被敌人的长矛刺穿。
C2 adjective rɪˈtɛn.tɪv

retentive

记忆力强
Meaning
Having strong memory or the ability to retain information for a long time.
Example
Students with a retentive memory excel in academics.
记忆力强的学生在学术上表现优异。
C2 noun /ˈwɛlkɪn/

welkin

天空
Meaning
The sky, the heavens, or the upper air.
Example
The eagle soared high into the welkin.
鹰飞得高进入了天空。
C2 noun /ˌɡæskəˈneɪd/

gasconade

夸大其词, 吹嘘
Meaning
Extravagant boasting or bragging.
Example
His endless gasconade made him unpopular among his peers.
他无休止的吹嘘让他在同龄人中不受欢迎。
C2 verb /ˈwɪni/

whinny

嘶鸣
Meaning
to make the high-pitched sound a horse makes
Example
The horse whinnied when it saw its rider.
马看到骑手时，嘶鸣了一声。
C2 verb /traɪˈsɛkt/

trisect

三分
Meaning
To divide into three parts.
Example
The teacher asked the students to trisect the line segment.
老师要求学生将线段分成三部分。
C2 adjective /ˈbɔːlki/

balky

固执
Meaning
difficult, uncooperative, or stubborn
Example
The balky printer refused to work when needed most.
固执的打印机在最需要的时候拒绝工作。
C2 adjective /ɔːˈrɪkjʊlər/

auricular

与耳朵有关
Meaning
Relating to the ear or hearing.
Example
The doctor used an auricular thermometer to check the patient's temperature.
医生使用耳廓温度计来检查病人的体温。
C2 noun /ˈmʌstərd ɔɪl/

Mustard Oil

芥末油
Meaning
oil extracted from mustard seeds, commonly used for cooking and medicinal purposes
Example
We use mustard oil for cooking vegetables in our kitchen.
我们在厨房里用芥末油来煮蔬菜。
C2 adjective /daɪˈdæktɪk/

didactic

教学的
Meaning
Intended to teach, often with a moral lesson.
Example
The novel is not just entertaining but also didactic in nature.
这本小说不仅仅是娱乐性，还有教学性质。