hygienic
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B2 adjective haɪˈdʒiː.nɪk

hygienic

卫生的
Meaning
Conducive to maintaining health and preventing disease, especially by being clean.
Example
Maintaining hygienic conditions in hospitals is crucial.
在医院保持卫生条件至关重要。
C2 adjective /haɪˈbɜːrnəl/

hibernal

Meaning
Relating to or occurring in winter.
Example
The hibernal season is often harsh in the mountains.
B2 adjective /ˌhɒrɪˈzɒntəl/

horizontal

水平的
Meaning
parallel to the horizon; flat and level from side to side
Example
The table must be perfectly horizontal to keep the glass from sliding.
桌子必须保持水平，杯子才不会滑动。
C1 adjective /həˈred.ɪ.ter.i/

Hereditary

遗传的; 从祖先传承
Meaning
passed down through family genes; inherited from ancestors
Example
The hereditary disease was passed down through generations.
遗传性疾病通过几代人传递。
C2 noun ˈhɑːrbərɪdʒ

harborage

藏身处
Meaning
A place of shelter or refuge for pests or animals.
Example
Pests need a harborage site to survive and breed.
害虫需要一个藏身处来生存和繁殖。
C2 noun /ˌhaɪdroʊdaɪˈnæmɪks/

hydrodynamics

Meaning
The branch of science concerned with the motion of fluids, especially liquids, and the forces acting on solid bodies immersed in fluids.
Example
Hydrodynamics is essential in designing efficient ship hulls.
A2 adverb, conjunction /haʊˈɛvər/

however

然而
Meaning
used to introduce a statement that contrasts with or seems to contradict something previously said
Example
The journey was long; however, it was enjoyable.
旅程很长；然而，它是愉快的。
B2 noun /heɪst/

Haste

匆忙; 急切
Meaning
swiftness of motion; urgent need of quick action; excessive speed or urgency
Example
In his haste to catch the train, he forgot to take his wallet from the table.
因为急于赶上火车，他忘了从桌子上拿走钱包。
A2 noun ˈhæpɪnəs

happiness

幸福
Meaning
The feeling or state of being happy; a pleasurable or satisfying experience; contentment and joy.
Example
Happiness lies in enjoying the small things in life.
幸福就在于享受生活中的小事。
B2 noun ˈhoʊmˌskuː.lɪŋ

homeschooling

在家教育
Meaning
The practice of educating children at home rather than sending them to a school.
Example
Homeschooling allows parents to tailor education to their child's needs.
家庭教育使父母能够根据孩子的需要定制教育。
A2 verb /hɑːrm/

harm

伤害
Meaning
to cause damage, injury, or hurt to someone or something
Example
Smoking can harm your health.
吸烟可能会损害你的健康。
C1 noun ˈhɛroʊˌɪzəm

heroism

英雄主义
Meaning
Great bravery; the qualities or attributes of a hero.
Example
The heroism of freedom fighters inspires the nation.
自由斗士的英雄主义激励着国家。
C1 adjective /ˈhiːdləs/

heedless

疏忽
Meaning
showing a reckless lack of care or attention
Example
He drove with heedless disregard for the rules.
他开车时对规则表现出疏忽。
C1 adverb /ˈhed ɑn/

Head-on

正面
Meaning
directly facing; in direct confrontation or collision
Example
The two cars collided head-on at the intersection.
两辆车在交叉口发生了正面碰撞。
C2 noun /hæˈʃiːʃ/

hashish

哈希什
Meaning
a drug made from the resin of the cannabis plant
Example
The police arrested him for possessing hashish.
警方因持有哈希什逮捕了他。
C1 noun /hɪˈpɑː.krə.si/

Hypocrisy

伪善
Meaning
the practice of claiming to have moral standards that one does not actually possess; insincerity
Example
His hypocrisy was exposed when he criticized others for the same mistakes he had made.
当他因为自己犯过的同样错误而指责别人时，他的伪善暴露无遗。
B2 adjective /ˈhoʊm.sɪk/

Homesick

想家; 离家的悲伤
Meaning
experiencing a longing for one's home during a period of absence from it; missing home
Example
After three months studying abroad, Maria felt increasingly homesick for her family.
在国外学习三个月后，玛丽亚越来越想念她的家人。
A2 verb /hiːt/

heat

加热
Meaning
to make or become hot or warm
Example
Please heat the soup before serving.
请在上菜前加热汤。
B2 noun /ˌhez.ɪˈteɪ.ʃən/

Hesitation

犹豫; 疑虑
Meaning
the action of pausing or delaying; uncertainty or unwillingness to act
Example
After a moment of hesitation, she decided to accept the challenging job offer from the company.
经过片刻的犹豫后，她决定接受公司提出的挑战性工作机会。
C1 noun /ˈhɛksəˌɡɒn/

hexagon

六边形
Meaning
A six-sided polygon.
Example
A honeycomb cell is shaped like a hexagon.
蜂巢的单元是六边形的。
C1 adjective /hɜːrˈbɪv.ər.əs/

Herbivorous

草食性
Meaning
feeding on plants; plant-eating
Example
Cows are herbivorous animals that graze on grass.
牛是草食性动物，吃草。
C2 noun /ˌɒnəˈreəriəm/

honorarium

酬金
Meaning
A payment given for professional services that are rendered without a fee.
Example
The guest lecturer received an honorarium for her talk.
那位客座讲师因其讲座而获得了酬金。
C1 noun /ˈhed.weɪ/

Headway

进展; 进步; 向前迈进
Meaning
forward movement or progress, especially when this is slow or difficult
Example
Despite the challenges, the research team made significant headway in developing the new vaccine.
尽管面临挑战，研究团队在开发新疫苗方面取得了显著的进展。
C1 noun/verb /hɛm/

hem

衣边
Meaning
the edge of a piece of cloth that is folded and sewn; to fold and sew the edge of cloth
Example
She hemmed the dress to make it shorter.
她把裙子的边缘缝上去，弄短了它。
C2 noun /ˌhæŋ.ki ˈpæŋ.ki/

Hanky-Panky

欺诈; 可疑活动; 不道德行为; 欺骗
Meaning
dishonest or suspicious activity; unethical behavior; trickery or deception
Example
The audit revealed some hanky-panky in the company's financial records.
审计揭示了公司财务记录中的一些欺诈行为。
C1 noun /ˈhɜːrniə/

hernia

疝气
Meaning
A medical condition where an organ pushes through the muscle or tissue holding it in place.
Example
The doctor diagnosed him with an inguinal hernia.
医生诊断他有腹股沟疝气。
B2 adjective /ˈhændi/

handy

易于使用
Meaning
convenient to use or easily accessible; skillful with the hands
Example
This pocket knife is very handy when you go camping.
这把口袋刀在露营时非常有用。
B2 noun /ˈhɑːrvɪst/

harvest

收获
Meaning
the process or period of gathering crops
Example
Farmers are busy during the rice harvest season.
农民在稻谷收获季节非常忙碌。
C2 adjective /ˌhæfˈbeɪkt/

half-baked

半生不熟
Meaning
poorly thought out or badly planned
Example
The manager quickly rejected his half-baked proposal.
经理迅速拒绝了他半生不熟的提案。
C2 noun /ˈhʌstɪŋz/

hustings

竞选活动
Meaning
the political campaigning and speeches before an election
Example
The candidate gained popularity during the hustings.
候选人在竞选活动期间赢得了人气。
C2 noun /ˈhɛptɑːrki/

heptarchy

七国联邦
Meaning
A group of seven rulers or governments, especially the seven Anglo-Saxon kingdoms in early England.
Example
The history book described the heptarchy of Anglo-Saxon England.
历史书描述了盎格鲁撒克逊英格兰的七国联合。
C1 verb /ˈhæmpər/

hamper

妨碍
Meaning
to hinder or impede the movement or progress of
Example
The heavy rain hampered our travel plans.
大雨妨碍了我们的旅行计划。
A2 pronoun /hɪmˈself/

himself

他自己
Meaning
Used to emphasize that a male person does something by his own effort.
Example
He fixed the car himself.
他自己修好了车。
A1 verb /hoʊp/

hope

希望
Meaning
to expect and desire that something will happen
Example
I hope it doesn't rain tomorrow.
我希望明天不会下雨。
C2 noun /hæɡ/

Hag

巫婆
Meaning
an ugly old woman, especially a vicious or malicious one; a witch
Example
In the fairy tale, the wicked hag lived alone in a cottage deep in the forest.
在这个童话故事中，邪恶的巫婆独自生活在森林深处的小屋里。
C1 noun /ˈhɔːl.mɑːrk/

hallmark

标志性特征
Meaning
a typical characteristic or feature of someone or something
Example
Honesty is the hallmark of a good leader.
诚实是一个好领导者的标志性特征。
B1 noun /ˈhʌŋɡər/

hunger

饥饿
Meaning
the feeling of discomfort caused by lack of food
Example
The child cried out of hunger.
孩子因饥饿而哭泣。
B2 noun /ˈhæz.ərd/

Hazard

危害; 风险
Meaning
a danger or risk; something that poses a threat to safety
Example
Smoking is a serious health hazard that can lead to lung cancer and heart disease.
吸烟是一种严重的健康危害，可能导致肺癌和心脏病。
C2 noun /ˌhjuː.mɪ.fɪˈkeɪ.ʃən/

humification

腐殖作用
Meaning
The process of organic matter decomposition to form humus in soil.
Example
Humification enhances soil structure and fertility.
腐殖作用增强了土壤的结构和肥力。
A1 adverb /haʊ/

how

如何
Meaning
in what way or manner; by what means
Example
How do you solve this problem?
你如何解决这个问题？
C2 noun /ˈhæbɪtjuːd/

habitude

习惯，风俗
Meaning
a customary condition or mode of life; habitual practice
Example
He lived in a quiet habitude, avoiding the noise of the city.
他生活在一种安静的习惯中，避开城市的喧嚣。
C2 noun /hoʊ/

Hoe

锄头
Meaning
a gardening tool with a thin metal blade used for breaking up soil and removing weeds
Example
The farmer used a hoe to remove weeds from his vegetable garden.
农夫使用锄头从他的蔬菜园中移除杂草。
C2 noun /hɪˈdʒɛməni/ or /ˈhɛdʒəmoʊni/

hegemony

霸权
Meaning
leadership or dominance, especially by one state or group over others
Example
The empire maintained its hegemony over neighboring states.
帝国保持了对邻国的霸权。
B2 noun hɛdʒ

hedge

对冲策略
Meaning
A way of protecting oneself against financial loss or other adverse circumstances.
Example
Investors use hedging strategies to protect against market volatility.
投资者使用对冲策略来保护自己免受市场波动的影响。
B2 noun /hɪp/

hip

臀部
Meaning
The part of the body on either side of the pelvis, or informal: trendy and fashionable.
Example
She put her hands on her hips.
她把手放在臀部上。
B2 noun /haɪv/

Hive

蜂巢; 一个充满活动的地方
Meaning
a structure in which bees live and produce honey; a place full of busy activity
Example
The garden was buzzing with activity as bees flew back and forth from their hive.
花园里充满了活动，蜜蜂在它们的蜂巢之间来回飞翔。
B2 noun /həˈræsmənt/

harassment

骚扰
Meaning
aggressive pressure or intimidation; unwanted and repeated behavior causing discomfort
Example
The company has a strict policy against workplace harassment.
公司对职场骚扰有严格的政策。
C1 adjective /ˈheɪ.zi/

Hazy

朦胧的; 模糊的; 不清楚的
Meaning
covered with haze; unclear or vague; lacking clarity
Example
The mountain tops were hazy in the morning mist.
山顶在早晨的雾气中显得朦胧。
C2 adjective /ˈhoʊm.spʌn/

homespun

家制
Meaning
Simple and unsophisticated; made at home rather than in a factory.
Example
She wore a homespun dress to the village festival.
她穿着家制的衣服去参加村里的节日庆典。
C1 noun /ˈheɪl.stɔːrm/

Hailstorm

冰雹风暴
Meaning
a violent storm with hail falling from the sky
Example
The hailstorm damaged many cars in the parking lot.
冰雹风暴损坏了停车场中的许多汽车。
B1 verb /ˈɒnər/

honour

荣誉
Meaning
to show respect; to keep a promise
Example
We honour our veterans for their service.
我们为退伍军人的服务表示荣誉。
C2 adjective /ˌhɪstriˈɒnɪk/

histrionic

Meaning
Overly dramatic or theatrical in behavior or style.
Example
Her histrionic reaction to the small problem surprised everyone.
C2 noun /ˈhoʊʒəri/

hosiery

长袜和腿部衣物
Meaning
Stockings, socks, and other knitted clothing for the legs and feet.
Example
She bought new hosiery for the winter season.
她为冬季季节买了新的长袜。
B1 verb /ˈhaɪˌlaɪt/

highlight

突出
Meaning
to emphasize or make something stand out
Example
The teacher highlighted the most important points in the text.
老师在文本中强调了最重要的要点。
C2 noun /ˈhɛdʒɪrə/ or /hɪˈdʒaɪrə/

hegira

迁徙, 流亡
Meaning
a journey, especially when undertaken to escape from a dangerous or undesirable situation
Example
The refugees began their hegira across the desert.
难民们开始了穿越沙漠的迁徙。
C2 adjective /ˈhɔːri/

hoary

灰色的, 古老的
Meaning
gray or white with age; very old and respected
Example
The hoary oak tree stood as a witness to centuries of history.
那棵古老的橡树作为世纪历史的见证者伫立。
C2 noun /oʊˈtɜːr/

hauteur

傲慢
Meaning
disdainful pride; arrogance
Example
His hauteur made it difficult for others to approach him.
他的傲慢使别人很难接近他。
B2 adjective /hɪˈroʊɪk/

heroic

英勇的
Meaning
showing great bravery or courage; relating to a hero or heroes
Example
The firefighter made a heroic effort to save the child.
消防员英勇地努力拯救了那个孩子。
B2 noun /ˈhɑːr.bər/

Harbour

港口
Meaning
a place on the coast where vessels may find shelter; a place of safety or refuge
Example
The fishing boats returned safely to the harbour before the storm hit the coastline.
渔船在风暴袭击海岸之前安全地回到了港口。
B2 noun /ˈhɑːrd.ʃɪp/

Hardship

困境，痛苦
Meaning
severe suffering or privation; difficulty or distress
Example
Despite facing many hardships during the war, the family remained united and hopeful.
尽管在战争期间经历了许多困难，家庭依然保持团结和希望。
A2 noun /haɪt/

height

高度
Meaning
the measurement of someone or something from base to top
Example
The height of the tower impressed the visitors.
塔的高度给游客留下了深刻的印象。
B1 noun /ˈhɛlθˌkɛər/

health-care

幸福
Meaning
the organized provision of medical services to maintain or improve health
Example
Access to quality health-care is essential for every citizen.
当她收到奖项时，她无法掩饰自己的幸福。
B2 noun /ˈheɪ.trəd/

Hatred

仇恨
Meaning
intense dislike or ill will; a feeling of strong aversion
Example
His hatred for injustice motivated him to become a human rights lawyer.
他对不公正的仇恨促使他成为了一名人权律师。
C2 noun /ˈhɔːzər/

hawser

用于系船或拖船的粗绳
Meaning
A thick rope or cable used in mooring or towing a ship.
Example
The sailors secured the ship to the dock with a heavy hawser.
水手们用一根重的豪泽把船固定在码头。
C1 verb /hɔːl/

haul

拖拉
Meaning
to pull or drag something heavy with effort
Example
The workers hauled the boxes into the truck.
工人们把箱子拖上了卡车。
C2 noun /ˈhoʊl.stər/

holster

枪套
Meaning
A holder or case for carrying a gun, typically worn on a belt or shoulder.
Example
The sheriff kept his revolver in a leather holster.
警长将他的左轮手枪放在皮革枪套里。
C2 adjective /ˈhaɪˌbraʊ/

highbrow

知识分子
Meaning
intellectually superior or cultured; often describing art, literature, or activities appealing to intellectual tastes
Example
The museum is known for its highbrow exhibitions.
该博物馆以其知识分子展览而闻名。
C2 verb /ˈhæloʊ/

hallow

神圣化
Meaning
to honor as holy; to make sacred or greatly respected
Example
The ancient temple was hallowed by centuries of worship.
古老的寺庙因几百年的崇拜而被神圣化。
B1 noun/verb /ˈhʌntɪŋ/

hunting

狩猎
Meaning
the activity of chasing and killing wild animals
Example
Hunting is strictly regulated in many countries.
狩猎在许多国家受到严格监管。
C1 adverb /ˈhɛdˌlɔŋ/

headlong

全速前进
Meaning
With the head leading; in a rush or without thinking.
Example
She rushed headlong into the new project.
她全速前进地投入了新的项目。
B2 adjective /ˈhɑːrtˌbreɪkɪŋ/

Heartbreaking

令人心碎的; 令人痛心的; 心碎的
Meaning
causing overwhelming distress; very sad or disappointing
Example
The documentary showed heartbreaking scenes of children in poverty.
纪录片展示了贫困中孩子们令人心碎的场景。
B2 noun /hɔrn/

Horn

角
Meaning
a hard pointed projection on the head of certain animals; a musical instrument
Example
The rhinoceros used its horn to defend itself.
犀牛用角来保护自己。
C1 noun /hɪm/

hymn

Meaning
A religious song or poem of praise to God or a deity.
Example
The congregation sang a hymn during the morning service.
C2 adjective /ˈhɔːrtətɪv/

hortative

Meaning
Giving strong encouragement or urging.
Example
The teacher gave a hortative speech to motivate the students before the exam.
A1 verb /hɪər/

hear

听
Meaning
to perceive sound; to listen to
Example
I can hear the birds singing.
我能听见鸟儿唱歌。
B1 adverb /ˈhaɪli/

highly

高度
Meaning
to a great degree; very
Example
She is highly respected in her field.
她在她的领域中受到高度尊敬。
B2 adjective /ˈheɪsti/

Hasty

匆忙的; 急促的
Meaning
done or acting with excessive speed or urgency; hurried
Example
Don't make hasty decisions when you're angry.
生气时不要做出匆忙的决定。
C2 noun /ˈhʌmbʌɡ/

humbug

骗局, 胡说
Meaning
Deceptive or false talk or behavior; nonsense.
Example
He dismissed the idea as humbug.
他将这个想法视为胡说八道。
B2 noun /heə(r)/

Hare

野兔
Meaning
a fast-running long-eared mammal that resembles a large rabbit
Example
The hare quickly ran across the field.
这只野兔快速地跑过田野。
B1 adjective /ˈhɪd.ən/

Hidden

隐藏的; 秘密的; 看不见的
Meaning
concealed from view; kept secret; not visible or apparent
Example
There was a hidden camera in the room.
房间里有一个隐藏的摄像头。
A1 noun /ˈhʌzbənd/

husband

丈夫
Meaning
A married man regarded in relation to his spouse.
Example
Her husband is very supportive of her career.
她的丈夫非常支持她的职业。
A1 interjection /heɪ/

hey

嘿
Meaning
used to attract attention, express surprise, or greet someone
Example
Hey, how are you doing today?
嘿，你今天怎么样？
B2 noun /hʌb/

hub

中心
Meaning
the central part of a place or activity where things converge
Example
The city is the hub of the country's trade network.
这座城市是该国贸易网络的中心。
A1 interjection /haɪ/

hi

嗨
Meaning
a friendly greeting used when meeting someone
Example
Hi, it's nice to meet you!
嗨，很高兴见到你！
B1 noun/verb /hɪnt/

hint

提示
Meaning
a small piece of advice or suggestion; to suggest something indirectly
Example
She gave me a hint about the surprise party.
她给了我一个关于惊喜派对的提示。
B2 noun /hɪˈstɔːriən/

historian

历史学家
Meaning
a person who studies or writes about history
Example
The historian gave a lecture on ancient civilizations.
历史学家讲授了一堂关于古代文明的讲座。
B2 noun /hʊd/

Hood

蛇头罩
Meaning
the expandable neck region of certain snakes like cobras; a covering for the head
Example
The cobra spread its hood when it felt threatened.
眼镜蛇在感到威胁时展开了它的帽子。
B2 noun/verb /hɜːrd/

herd

Meaning
a large group of animals of the same type that live and feed together; or to gather animals into a group.
Example
The shepherd herded the sheep into the pen.
A2 verb /hʌɡ/

hug

拥抱
Meaning
to hold someone tightly in your arms to show affection or comfort
Example
She hugged her friend before leaving for the airport.
她在去机场前拥抱了她的朋友。
C1 noun ˈhʌz.bən.dri

husbandry

农业和畜牧业
Meaning
The care, cultivation, and breeding of crops and animals; farming and agriculture.
Example
Proper husbandry techniques improve livestock health.
适当的农业技术能改善家畜健康。
B1 verb /hʊk/

hook

钩子
Meaning
to catch with a hook; to fasten
Example
He hooked the fish successfully.
他成功地钩住了那条鱼。
B1 noun /ˈhaʊzɪŋ/

housing

住房
Meaning
buildings or structures where people live; accommodation
Example
The government is working to provide affordable housing for everyone.
政府正在努力为所有人提供负担得起的住房。
A2 adjective /ˈɑːnɪst/

honest

诚实
Meaning
free of deceit and untruthfulness; sincere
Example
She is known as an honest and trustworthy person.
她被认为是一个诚实和值得信赖的人。
C2 noun /ˈhɔːrn.bɪl/

Hornbill

角嘴鸟
Meaning
a large tropical bird with a large curved beak and often a horn-like projection
Example
The colorful hornbill perched on the highest branch.
五彩斑斓的霍恩比尔停在了最高的树枝上。
C1 verb /ˈhɪpnətaɪz/

hypnotize

催眠
Meaning
to put someone into a state of hypnosis; to influence someone's mind deeply
Example
The magician tried to hypnotize the audience.
魔术师试图催眠观众。
C1 noun /hɒˈstɪləti/

hostility

敌意
Meaning
hostile behavior; unfriendliness or opposition
Example
The negotiations ended in an atmosphere of hostility.
谈判以敌意的氛围结束。
C1 adjective /ˈhɔːltɪŋ/

halting

犹豫不决
Meaning
slow and hesitant, especially due to lack of confidence
Example
She gave a halting reply during the interview.
她在面试中给出了迟疑的回答。
B2 noun /ˈhæn.di.krɑːft/

Handicraft

手工艺
Meaning
an activity involving the making of decorative domestic or other objects with the hands; handmade artistic work
Example
The local market featured beautiful handicrafts made by skilled artisans from the region.
当地市场展示了由该地区熟练工匠制作的美丽手工艺品。
B2 noun /ˈhedʒhɒɡ/

Hedge-hog

刺猬
Meaning
a small mammal with a spiny coat that can roll into a ball for defense
Example
The hedgehog rolled into a ball when it felt threatened.
当刺猬感到威胁时，它滚成一团。
B2 adjective /ˈhevənli/

Heavenly

天上的; 神圣的; 美味的
Meaning
relating to heaven; extremely pleasant or beautiful
Example
The chocolate cake had a heavenly taste that melted in my mouth.
巧克力蛋糕有一种天上的味道，在我口中融化了。
C2 noun /ˈhʌk.stər/

huckster

小商品贩子
Meaning
A person who sells small items aggressively, often in a showy or dishonest way.
Example
The huckster loudly promoted his goods in the busy marketplace.
小商品贩子在繁忙的市场里大声推销他的商品。
C2 verb /ˈhɜːrtl/

hurtle

快速行驶
Meaning
To move or cause to move at great speed, often in a dangerous way.
Example
The car hurtled down the mountain road.
汽车快速行驶在山路上。
C2 noun /ˈhɒthɛd/

hothead

脾气暴躁的人
Meaning
a person who acts quickly and without thinking when angry
Example
He is such a hothead that he often starts arguments.
他是个脾气暴躁的人，经常挑起争执。
C2 adjective /ˌhæɡ.i.əˈɡræf.ɪk/

hagiographic

过度恭维的
Meaning
Excessively flattering or idealized, often in a biography or portrayal of someone.
Example
The documentary was criticized for its hagiographic portrayal of the leader.
这部纪录片因其对领导者的过度恭维描写而受到批评。
B2 noun /ˌhɑː.spɪˈtæl.ə.ti/

Hospitality

待客之道
Meaning
the friendly and generous reception and entertainment of guests or strangers
Example
The hotel staff's exceptional hospitality made our vacation truly memorable and enjoyable.
酒店员工的热情好客让我们的假期变得非常难忘和愉快。
A1 pronoun /hiː/

he

他 (男性)
Meaning
used to refer to a male person or animal already mentioned or easily identified
Example
He is my best friend.
他是我最好的朋友。
A1 pronoun /hɜːr/

her

她
Meaning
used to refer to a female person or animal already mentioned or easily identified
Example
I saw her at the park yesterday.
我昨天在公园看见了她。
C2 noun /ˈhaɪərlɪŋ/

hireling

雇佣者
Meaning
A person who works for payment only, often with little loyalty or principle.
Example
The mercenary was dismissed as just a hireling with no real loyalty.
雇佣兵被解雇，只是一个没有真正忠诚的雇佣者。
C2 noun /ˈhɛklər/

heckler

打扰者
Meaning
A person who interrupts a speaker with rude or aggressive comments.
Example
The politician remained calm despite the heckler shouting from the crowd.
尽管人群中有打扰者大声叫喊，政治家仍然保持冷静。
C1 noun ˌhaɪ.drəˈlɒdʒ.ɪ.kəl ˈsaɪ.kəl

hydrological cycle

水文循环
Meaning
The cycle of processes by which water circulates between the earth's oceans, atmosphere, and land.
Example
The hydrological cycle ensures continuous water movement in nature.
水文循环确保自然界中水的持续流动。
B2 verb /hætʃ/

hatch

孵化
Meaning
to emerge from an egg; to devise or create a plan
Example
The bird will hatch from its egg soon.
鸟将从蛋中孵化出来。
C2 adjective /hɛkˈsæŋɡjələr/

hexangular

六角形的
Meaning
Having six angles or corners.
Example
The artist designed a hexangular frame for the mirror.
艺术家为镜子设计了一个六角形的框架。
B1 noun /ˈhɪr.ɪŋ/

Hearing

听力; 听证会
Meaning
the faculty of perceiving sounds; a session in which testimony and arguments are heard
Example
The elderly man's hearing had deteriorated, so he needed to wear a hearing aid.
老年人的听力已经恶化，因此他需要佩戴助听器。
B2 noun /hɔːk/

Hawk

猎鹰
Meaning
a bird of prey with broad wings and strong talons used for hunting
Example
The hawk soared high above the field hunting for prey.
猎鹰在田野上空飞翔，寻找猎物。
C2 noun /ˈhaʊsˌbreɪkɪŋ/

housebreaking

入室盗窃
Meaning
the crime of breaking into a house with intent to steal
Example
The thief was arrested for housebreaking.
小偷因入室盗窃被捕。
C1 noun /hɑːrp/

Harp

竖琴
Meaning
a large triangular musical instrument with strings that are plucked
Example
The angel played a beautiful melody on the harp.
天使在竖琴上弹奏了一首美丽的旋律。
C2 adjective /ˈhæŋ.dɔːɡ/

hangdog

尴尬
Meaning
looking or feeling ashamed, guilty, or defeated.
Example
He gave me a hangdog look after being caught lying.
他在被抓到撒谎后，给了我一个尴尬的表情。
C1 noun ˈhaɪ.drə.dʒən ˈpaʊ.əd bʌsɪz

hydrogen-powered buses

氢能公交车
Meaning
Buses powered by hydrogen fuel cells that produce only water vapor as emission.
Example
Hydrogen-powered buses reduce air pollution.
氢能公交车减少空气污染。
C1 verb /hɜːrl/

hurl

Meaning
To throw something with great force.
Example
The boy hurled a stone into the river.
C1 noun /ˈhʌbʌb/

hubbub

喧闹
Meaning
a loud noise caused by a crowd of people talking or shouting
Example
There was a hubbub in the market as the sale began.
市场上因为销售开始而产生了喧闹。
B2 adjective /ˈhjuː.mər.əs/

Humorous

幽默的; 好笑的; 引起笑声的;
Meaning
funny; amusing; causing laughter;
Example
His humorous stories always make everyone laugh.
他的幽默故事总是让每个人都笑。