feminist
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B2 noun /ˈfɛmənɪst/

feminist

女性主义者
Meaning
a person who supports equal rights and opportunities for women and men
Example
She proudly calls herself a feminist and fights for gender equality.
她自豪地称自己为女性主义者，并为性别平等而奋斗。
C1 adjective /ˌfɑːrˈfɛtʃt/

far-fetched

牵强附会
Meaning
unlikely to happen or be true; improbable
Example
His explanation for being late was a bit far-fetched.
他解释迟到的理由有点牵强附会。
A2 verb /feɪl/

fail

失败
Meaning
to not succeed in achieving something; to be unsuccessful
Example
He failed to complete the assignment on time.
他未能按时完成任务。
A1 noun /ˈfɑːðər/

father

幸福
Meaning
A male parent of a child.
Example
His father taught him how to ride a bicycle.
她无法隐藏收到奖项时的快乐。
C2 noun /feɪt/

fete

节日，庆典
Meaning
a celebration or festival, often in honor of someone
Example
The village held a grand fete to celebrate the harvest.
村庄举行了盛大的节日庆典来庆祝丰收。
C1 noun /fɑːrs/

farce

闹剧
Meaning
a comic dramatic work using buffoonery and horseplay, or a ridiculous situation
Example
The meeting turned into a complete farce with everyone arguing.
会议变成了一场彻底的闹剧，大家都在争论。
B2 adverb /ˈfeɪθ.fəl.i/

Faithfully

忠诚地
Meaning
in a loyal and steadfast manner; with dedication
Example
She faithfully attended every meeting despite her busy schedule.
她忠实地参加了每一次会议，尽管她的日程非常紧张。
B2 noun /ˈflɒrɪst/

florist

花店老板
Meaning
A person who sells and arranges flowers.
Example
We bought a bouquet from the local florist.
我们在当地的花店买了一个花束。
C1 noun /flæt fɪʃ/

Flat fish

比目鱼
Meaning
a type of fish with a flattened body that lives on the sea floor
Example
Flat fish like sole and flounder are excellent for grilling.
像鳎鱼和比目鱼这样的平鱼非常适合烤制。
C1 noun /fɪˈnɑːleɪ/

finale

结尾
Meaning
the last part or conclusion of a performance, event, or series
Example
The concert ended with a spectacular finale.
音乐会以一个壮观的菲纳尔结束。
B2 noun /ˈfɜːrneɪs/

furnace

炉子
Meaning
an enclosed structure in which heat is produced for a building or for melting metal
Example
The factory's furnace melted the metal quickly.
工厂的炉子迅速融化了金属。
A2 noun /ˈfiːtʃər/

feature

特点
Meaning
a distinctive attribute or aspect of something; a characteristic
Example
The new phone has a unique camera feature.
新手机具有独特的相机特点。
C1 noun /ˈfɔːrdʒəri/

forgery

伪造
Meaning
the crime of making fake documents, money, or artworks
Example
The bank detected a forgery in the signature on the cheque.
银行发现支票签名上的伪造。
B1 noun /frʌˈstreɪʃən/

frustration

挫折
Meaning
The feeling of being upset or annoyed due to inability to achieve something.
Example
He felt deep frustration when his plans failed.
当他的计划失败时，他感到深深的挫折。
C1 noun /fəˈsɑːd/

facade

外立面
Meaning
The front of a building; a false or superficial appearance
Example
The building's glass facade reflected the sunset.
建筑物的玻璃外立面反射了日落。
B1 verb /floʊt/

float

浮动
Meaning
to rest or move on the surface of a liquid or in the air without sinking
Example
The boat began to float gently down the river.
船开始轻轻漂浮在河面上。
C2 adjective /fjuːˈnɪəriəl/

funereal

葬礼的
Meaning
having the mournful, somber character of a funeral
Example
The room was filled with a funereal silence after the announcement.
宣布后，房间里充满了葬礼般的沉默。
B1 noun /ˈfaɪər.mən/

Fireman

消防员
Meaning
a person whose job is to extinguish fires and rescue people
Example
The brave fireman rescued the family from the burning building.
勇敢的消防员从燃烧的建筑中救出了家庭。
A1 number /ˌfɪfˈtiːn/

fifteen

十五
Meaning
the number 15
Example
There are fifteen students in the class.
班里有十五个学生。
B2 noun /fɔːrt/

Fort

堡垒
Meaning
a strong building or group of buildings where soldiers live and defend
Example
The ancient fort stood on top of the hill for centuries.
古老的堡垒屹立在山顶上数百年。
C2 noun /fluːk/

fluke

侥幸
Meaning
A stroke of luck; an unexpected piece of good fortune.
Example
Winning the lottery was a complete fluke.
中彩票简直就是一次完全的侥幸。
A1 verb /flaɪ/

fly

飞行
Meaning
to move through the air using wings or in an aircraft
Example
Birds fly south for the winter.
鸟类冬天飞往南方。
C1 noun /fɪˈnɛs/

finesse

精妙, 技巧, 高雅
Meaning
Subtlety and skill; refinement and delicacy in performance or artistry.
Example
The artist painted with great finesse.
艺术家以极高的精妙感画画。
A2 noun /fæt/

Fat

脂肪
Meaning
a natural oily substance occurring in animal bodies; lipid used in cooking
Example
Too much fat in your diet can be unhealthy.
你饮食中脂肪过多可能对健康有害。
C1 adjective /ˈfliː.tɪŋ/

fleeting

短暂的
Meaning
Lasting for a very short time; passing quickly.
Example
Happiness can be fleeting, so cherish every moment.
幸福可能是短暂的，所以珍惜每一刻。
B2 noun /fɛər/

fare

车费
Meaning
the money paid for a journey on public transport; also food or treatment provided
Example
The bus fare to the city center is five dollars.
到市中心的公交车费是五美元。
C1 adjective /ˈfeɪt.fəl/

fateful

决定性或灾难性的
Meaning
having significant or disastrous consequences
Example
Their fateful decision changed the course of history.
他们的决定性决定改变了历史的进程。
C1 noun /ˈfjuː.dʒə.tɪv/

Fugitive

逃犯
Meaning
a person who has escaped from a place or is in hiding, especially to avoid arrest
Example
The police launched a manhunt to capture the fugitive who escaped from prison.
警方展开了追捕行动，试图抓捕从监狱逃跑的逃犯。
C1 noun /fjuːd/

feud

争吵, 仇恨
Meaning
a prolonged and bitter quarrel or conflict, often between families or groups
Example
The two families have been in a feud for generations.
这两个家庭已经世代争斗。
A2 adjective, noun /ˈfeɪvərɪt/

favorite

最喜欢的
Meaning
Preferred over all others; something or someone especially liked.
Example
Chocolate is my favorite ice cream flavor.
巧克力是我最喜欢的冰淇淋口味。
B2 adjective /ˈfɪr.fəl/

fearful

害怕的
Meaning
feeling afraid or showing fear
Example
She was fearful of walking alone at night.
她害怕夜晚独自走路。
A2 noun /fraɪd raɪs/

Fried rice

炒饭
Meaning
a dish of cooked rice that has been stir-fried in a wok or frying pan
Example
We ordered chicken fried rice from the Chinese restaurant.
我们从中国餐馆订了鸡肉炒饭。
C1 noun ˈfæl.ə.si

fallacy

谬误, 错误的信念, 错误推理
Meaning
False belief, misconception, false reasoning.
Example
The idea that success comes easy is a fallacy.
成功容易到来的这个想法是一个谬误。
C2 adjective /ˈfɪt.fəl/

fitful

间歇性
Meaning
occurring in irregular bursts; not continuous or steady
Example
He had a fitful sleep due to the storm.
由于暴风雨，他有间歇性的睡眠。
A2 noun /ˈfɪŋ.ɡər/

Finger

手指
Meaning
any of the four long thin parts of the hand (or five, if the thumb is included)
Example
She pointed with her finger to show the direction to the museum.
她用手指指向博物馆的方向。
C1 noun /fɪˈdɛl.ɪ.ti/

fidelity

忠诚
Meaning
Faithfulness to a person, cause, or belief, demonstrated by continuing loyalty and support.
Example
A dog's fidelity to its owner is unmatched.
狗对主人忠诚无比。
B2 noun /ˈfɪlmˌmeɪkər/

film-maker

电影制作人
Meaning
A person who directs or produces films
Example
The film-maker received an award for his latest documentary.
电影制作人因他最新的纪录片获得了奖项。
C2 adjective /fɪˈdjuːʃəl/

fiducial

信任的，作为参考标准的
Meaning
based on trust or confidence; serving as a standard of reference
Example
The fiducial point on the map ensures accurate measurements.
地图上的菲杜西亚尔点确保了精确的测量。
C1 noun /ˈfaɪərɑːm/

firearm

火器
Meaning
a weapon capable of firing a projectile using gunpowder or other propellant
Example
The police found a hidden firearm during the investigation.
警方在调查过程中发现了一支隐藏的火器。
A2 noun /flʌd/

Flood

洪水
Meaning
an overflow of a large amount of water beyond its normal limits
Example
The heavy rain caused a flood in the village.
暴雨导致村庄发生了洪水。
B1 noun ˈfæmɪli triː

Family Tree

家谱
Meaning
A diagram showing the relationships between people in several generations of a family.
Example
Creating a family tree helps understand family history.
创建家谱有助于理解家庭历史。
C2 adjective /ˈfɜːr.vɪd/

Fervid

热情的; 极为热衷的; 满怀激情的
Meaning
passionate; intensely enthusiastic; burning with emotion
Example
She gave a fervid speech about environmental protection.
她发表了一篇关于环境保护的热情演讲。
C1 verb /fɔːrˈkloʊz/

foreclose

止赎
Meaning
to take possession of a property due to the owner's failure to keep up mortgage payments
Example
The bank decided to foreclose on the property after months of missed payments.
银行在错过几个月付款后决定没收财产。
C1 noun /ˈfren.zi/

Frenzy

狂热
Meaning
a state or period of uncontrolled excitement or wild behavior; intense activity
Example
The announcement of the sale created a shopping frenzy at the mall.
销售公告在商场引发了一场购物狂潮。
C2 verb /foʊˈmɛnt/

foment

煽动
Meaning
To instigate or stir up (an undesirable or violent sentiment or course of action).
Example
The rebel leader tried to foment unrest among the people.
叛乱领袖试图在人民中煽动骚乱。
A2 noun /ˈfɜːrnɪtʃər/

furniture

家具
Meaning
Objects such as chairs, tables, beds, or cupboards used to make a room suitable for living or working.
Example
The living room was filled with beautiful wooden furniture.
客厅里摆满了美丽的木制家具。
B2 verb /ˈflætər/

flatter

为了获得好处而过分或虚伪地赞扬
Meaning
to praise excessively or insincerely to gain favor
Example
He tried to flatter his boss to get a promotion.
他试图讨好他的老板以获得晋升。
A2 noun, verb /fɔːrm/

form

形状 / 表格
Meaning
the shape or structure of something; to bring something into existence
Example
Students filled out the registration form.
学生填写了注册表格。
C1 noun /fiˈæs.koʊ/

fiasco

彻底失败
Meaning
a complete failure, especially a ludicrous or humiliating one
Example
The event turned into a complete fiasco due to poor planning.
由于糟糕的规划，活动变成了彻底的失败。
B1 verb /fəʊld/

fold

Meaning
to bend something, especially paper or cloth, so that one part covers another
Example
She folded the letter neatly before placing it in the envelope.
C2 verb /fɔːrˈfɛnd/

forfend

保护, 防卫, 避免
Meaning
to protect or defend against something undesirable; to prevent
Example
May good fortune forfend any danger from our journey.
愿好运保护我们，避免任何危险。
B2 noun /ˈfrɛʃnəs/

freshness

新鲜感
Meaning
The quality of being new, clean, and full of energy.
Example
The freshness of the morning air made everyone feel alive.
早晨的清新空气让每个人都感觉活力十足。
C1 noun /fɪˈnænʃɪər/

financier

金融家
Meaning
a person who manages large amounts of money or investments
Example
The financier advised the company on its investments.
金融家为公司提供了关于投资的建议。
C1 adjective /ˌfʊl ˈbɒd.id/

full-bodied

口感浓烈
Meaning
Having a strong, rich, and robust quality, especially of wine, coffee, or voice.
Example
He prefers a full-bodied red wine with his dinner.
他喜欢与晚餐搭配的口感浓烈的红酒。
C2 adjective fɔːˈtjuː.ɪ.təs

fortuitous

偶然的
Meaning
Happening by accident or chance rather than design; lucky or fortunate.
Example
Their meeting was purely fortuitous.
他们的相遇完全是偶然的。
C2 verb /ˌfɔːrɔːrˈdeɪn/

foreordain

预定
Meaning
to determine or decree something in advance; to predestine
Example
Some believe that our lives are foreordained by fate.
一些人相信我们的生活是命运预定的。
B2 adjective /ˈfɔːrtʃənət/

fortunate

幸运的
Meaning
Having good luck or receiving something desirable by chance.
Example
She was fortunate to escape the accident without injuries.
她很幸运没有在事故中受伤。
A2 verb /faʊnd/

found

创立
Meaning
to establish or create something; to discover
Example
They founded the company in 1995.
他们在1995年成立了公司。
C1 adjective /frəˈtɜːrnəl/

fraternal

Meaning
Relating to brothers or brotherhood; friendly and supportive.
Example
The two nations maintain a fraternal relationship.
B2 adjective, noun, verb /faʊl/

foul

Meaning
offensive to the senses; dirty or unpleasant; in sports, an unfair or illegal act
Example
The player was penalized for committing a foul.
B2 noun /ˈfræɡ.mənt/

Fragment

碎片; 片段;
Meaning
a small part broken or separated off something; an incomplete or isolated portion
Example
Archaeologists found fragments of ancient pottery buried in the soil.
考古学家在土壤中发现了古代陶器的碎片。
A2 noun /ˈfɪt.nəs/

fitness

身体健康
Meaning
The condition of being physically fit and healthy, or the quality of being suitable to fulfill a particular role or task.
Example
Fitness tests ensure vehicle safety.
身体健康测试确保车辆安全。
C1 adjective /fəˈnætɪkəl/

fanatical

狂热的
Meaning
showing extreme enthusiasm or obsession
Example
She has a fanatical interest in collecting vintage stamps.
她对收藏老式邮票有着狂热的兴趣。
C1 noun /ˈfæm.ɪn/

Famine

饥荒
Meaning
extreme scarcity of food; a period when food is extremely scarce
Example
The severe drought led to widespread famine in the region.
严重的干旱导致该地区广泛的饥荒。
C1 noun /ˈfæs.ɪt/

facet

方面, 特点, 部分
Meaning
One of the many aspects or features of something; a particular part or element of something.
Example
Every facet of the project was carefully analyzed.
项目的每个方面都进行了仔细分析。
C1 noun /ˈflæt.ər.i/

Flattery

恭维
Meaning
excessive and insincere praise, given especially to further one's own interests
Example
His constant flattery made everyone suspicious of his true motives.
他不断的恭维使大家怀疑他的真实动机。
B2 verb /ˈfrʌsˌtreɪt/

frustrate

使沮丧
Meaning
to prevent from accomplishing; to make someone feel annoyed
Example
The traffic jam frustrated all the commuters.
交通堵塞让所有通勤者感到沮丧。
B2 noun/verb /ˈfɒs.tər.ɪŋ/

fostering

培养
Meaning
The process of encouraging or promoting the development or growth of something; nurturing and caring for.
Example
Good teachers play a key role in fostering creativity in students.
好老师在促进学生创造力方面发挥着关键作用。
C1 noun ˈfɔː.saɪt

foresight

远见
Meaning
The ability to predict or the action of predicting what will happen or be needed in the future.
Example
His foresight helped the company avoid financial losses.
他的远见帮助公司避免了经济损失。
A2 verb /faɪt/

fight

战斗
Meaning
to engage in battle or combat; to struggle against
Example
The soldiers fight for their country.
士兵为他们的国家而战。
C1 adjective /ˈflæʃi/

flashy

华丽的，炫耀的
Meaning
ostentatious or showy in a way that attracts attention
Example
He drove a flashy sports car through the city streets.
他开着一辆华丽的跑车穿过城市街道。
B2 noun /fɔːrˈmeɪʃən/

formation

形成
Meaning
the action of forming or process of being formed
Example
The formation of the new company took several months.
新公司的形成花了几个月时间。
B1 noun /ˈfɪnɪʃ laɪn/

finish line

终点线
Meaning
The line or point at the end of a race or competition where participants complete it.
Example
She sprinted towards the finish line and won the race.
她冲向终点线并赢得了比赛。
B1 noun flæɡz

flags

旗帜
Meaning
A piece of cloth or similar material, typically oblong or square, attachable by one edge to a pole or rope.
Example
The streets were decorated with national flags.
街道上装饰着国家旗帜。
A2 adjective, adverb /ˈfæstər/

faster

更快
Meaning
moving or able to move quickly; more quickly than usual
Example
This car is faster than the old one.
这辆车比老车更快。
C2 verb /ˈflʌməks/

flummox

困惑
Meaning
To confuse or bewilder someone completely.
Example
The complicated puzzle flummoxed the students.
复杂的拼图让学生们困惑。
C1 noun /ˈfoʊ.kəs ˈtræk.ɪŋ/

focus tracking

聚焦追踪
Meaning
A technique of monitoring and maintaining attention on specific tasks or goals.
Example
Proper focus tracking improves productivity.
适当的聚焦追踪可以提高生产力。
C1 noun /ˈfɔːrˌθɔːt/

forethought

预见
Meaning
careful consideration of what will be necessary or may happen in the future
Example
With a little forethought, we could have avoided the problem.
稍微有一点预见性，我们本可以避免这个问题。
C1 adjective /ˈfrɔːdjʊlənt/

fraudulent

欺诈的
Meaning
Involving or using deceit, especially criminal deception.
Example
He was arrested for making fraudulent insurance claims.
他因提交欺诈性保险索赔而被捕。
C2 adjective /fəˈsiːʃəs/

facetious

讽刺的
Meaning
Treating serious issues with deliberately inappropriate humor
Example
He was being facetious when he said he wanted to live on the moon.
他说他想住在月球上时，他是在开玩笑。
C1 noun flɛər

flair

天赋
Meaning
A natural ability to do something well.
Example
She has a flair for design, always creating visually stunning work.
她有设计的天赋，总是创造出视觉上令人印象深刻的作品。
C1 adjective /ˈfaɪə.ri/

Fiery

火热的; 激情的; 暴躁的
Meaning
burning; passionate; hot-tempered; showing strong emotion
Example
She has a fiery temper that flares up quickly.
她有一个火热的脾气，容易迅速发火。
B2 noun /ˌfer.ˈwel/

Farewell

告别
Meaning
an act of parting or of marking someone's departure
Example
The company organized a farewell party for the retiring manager.
公司为即将退休的经理举办了告别派对。
C1 verb /ˈflɪk.ər/

flicker

闪烁
Meaning
to shine unsteadily or waver between light and dark
Example
The candle flickered in the wind.
蜡烛在风中闪烁。
B2 verb /fraʊn/

frown

皱眉
Meaning
to wrinkle one's brow in displeasure or concentration
Example
She frowned when she heard the bad news.
她听到坏消息时皱起了眉头。
B2 verb /flɪp/

flip

翻转
Meaning
to turn over quickly or suddenly; to toss lightly
Example
She flipped the pancake in the pan.
她把煎饼在锅里翻了个面。
A2 noun /frʌnt/

front

前面
Meaning
the forward-facing part of something
Example
The house has a garden in front.
房子前面有一个花园。
B1 noun faʊnˈdeɪʃən

foundation

基础
Meaning
The lowest load-bearing part of a building, typically below ground level.
Example
The foundation of the building was laid with strong materials.
建筑物的基础是用坚固的材料铺设的。
B2 adjective /ˈfjʊə.ri.əs/

Furious

愤怒的; 激烈的; 暴力的;
Meaning
extremely angry; violent; fierce;
Example
She was furious when she discovered the mistake.
她发现错误时非常愤怒。
C1 noun /fruˈɪʃən/

fruition

实现
Meaning
The realization or fulfillment of a plan, project, or desire.
Example
Her dream of becoming a doctor finally came to fruition.
她成为医生的梦想终于实现了。
C2 noun /ˈfriːˌmeɪsən/

freemason

共济会会员
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.
他的祖父是社区中受人尊敬的共济会会员。
A2 adjective /ˈflaɪɪŋ/

flying

飞行的
Meaning
able to move through the air; related to flight or aircraft
Example
The flying bird disappeared into the clouds.
那只飞行的鸟消失在云中。
B1 adjective /ˈfæbjələs/

Fabulous

极好的；不可思议的；非凡的
Meaning
extremely good; wonderful; extraordinary
Example
She wore a fabulous dress to the party.
她穿了一件精彩的裙子去参加派对。
A1 noun /ˈfriː taɪm/

free time

空闲时间
Meaning
time when a person is not working or occupied and can do activities they enjoy
Example
She likes to read books in her free time.
她喜欢在空闲时间读书。
C2 noun /ˈflɛdʒlɪŋ/

fledgeling

初生小鸟
Meaning
A young bird that has just developed its feathers and is learning to fly; a beginner.
Example
The fledgeling was trying hard to take its first flight.
那只初生小鸟正在努力做第一次飞行。
C1 adjective /ˈfrɪdʒɪd/

Frigid

寒冷的; 冰冻的
Meaning
extremely cold; freezing; icy
Example
The frigid weather made it difficult to go outside.
寒冷的天气让出去变得困难。
A2 noun /ˈfæktəri/

factory

工厂
Meaning
A building or group of buildings where goods are manufactured.
Example
He works in a shoe factory.
他在一家鞋厂工作。
B2 verb, adjective /ˈfɒstər/

foster

培养
Meaning
to encourage the development of something; to raise a child that is not one's own
Example
The program aims to foster creativity in young students.
该计划旨在促进年轻学生的创造力。
B2 noun /fɜːr/

Fur

毛发
Meaning
thick hair covering the body of animals
Example
The cat's fur was soft and warm to touch.
猫的毛发触感柔软而温暖。
C1 noun /ˈfɪʃˌmʌŋ.ɡər/

fishmonger

卖鱼人
Meaning
a person or store that sells fish
Example
I bought fresh salmon from the local fishmonger.
我从当地的卖鱼人那里买了新鲜的三文鱼。
A2 noun /frɪdʒ/

fridge

冰箱
Meaning
a household appliance used to keep food and drinks cold to preserve freshness
Example
I put the milk back in the fridge after breakfast.
早餐后我把牛奶放进了冰箱。
B1 noun /ˈfiːdbæk/

feedback

反馈
Meaning
information or opinions about how well someone is doing something
Example
She asked her teacher for feedback on her essay.
她向老师请求关于她作文的反馈。
A1 noun /fruːt/

fruit

水果
Meaning
The sweet and fleshy product of a plant that contains seeds.
Example
Mango is my favorite fruit.
芒果是我最喜欢的水果。
C2 noun /ˈfriːˌθɪŋkər/

freethinker

自由思想者
Meaning
A person who forms opinions based on reason and independent thought rather than tradition or authority.
Example
Voltaire was considered a great freethinker of his time.
伏尔泰被认为是他时代伟大的自由思想家。
B1 adverb /ˈfɔːtʃənətli/

fortunately

幸运地
Meaning
by good luck; luckily
Example
Fortunately, no one was injured in the accident.
幸运地，事故中没有人受伤。
C2 noun /ˈfrækɑː/

fracas

纷争
Meaning
A noisy disturbance or quarrel.
Example
The fracas outside the bar drew the attention of the police.
酒吧外的纷争引起了警察的注意。
C1 noun, verb /ˈfɜːrloʊ/

furlough

临时休假
Meaning
temporary leave of absence from work, especially that granted to an employee or soldier
Example
Many workers were placed on furlough during the crisis.
许多工人在危机期间被放置在休假状态。
C1 adjective /ˈfɪɡərətɪv/

figurative

比喻的
Meaning
not literal; using figures of speech or symbolic representation
Example
She used figurative language to describe her feelings.
她用比喻的语言来描述她的感受。
A2 noun /ˈfiːvər/

fever

发烧
Meaning
a medical condition in which the body temperature is higher than normal
Example
He couldn’t go to work because he had a high fever.
他因高烧而不能上班。
A2 adjective /fænˈtæstɪk/

Fantastic

极好的; 奇妙的; 卓越的
Meaning
extremely good; wonderful; excellent
Example
The movie was absolutely fantastic!
这部电影绝对是精彩的！
B2 noun /ˈfɪŋ.ɡər.prɪnt/

Fingerprint

指纹
Meaning
an impression or mark made on a surface by a person's fingertip; unique identification pattern
Example
The police found his fingerprints on the door handle at the crime scene.
警方在犯罪现场的门把手上找到了他的指纹。
B2 adjective /ˈfæktʃuəl/

Factual

基于事实的; 真实的
Meaning
based on facts; accurate; true
Example
The report contains only factual information.
报告仅包含事实性的信息。
B2 noun /ˈfaɪbər/

fiber

纤维
Meaning
a thread or filament from which a textile is formed; dietary substance from plants that aids digestion
Example
Fruits and vegetables are high in fiber.
水果和蔬菜富含纤维。
C1 noun /ˈfɔɪeɪr/

foyer

前厅
Meaning
An entrance hall or lobby in a building.
Example
The guests waited in the hotel foyer before checking in.
客人在酒店大厅等候办理入住手续。
B2 adjective /ˈfɛdərəl/

federal

联邦的
Meaning
Relating to the central government of a federation.
Example
The federal government passed a new law on healthcare.
联邦政府通过了一项关于医疗保健的新法律。
C1 adjective /fəˈroʊ.ʃəs/

Ferocious

凶猛，残忍，激烈
Meaning
savagely fierce, cruel, or violent; extremely aggressive
Example
The ferocious storm destroyed many houses in the coastal area.
凶猛的暴风摧毁了沿海地区的许多房屋。
C1 noun /ˈfɔːrˌfɑːðər/

forefather

祖先
Meaning
an ancestor, especially one who was part of an earlier generation of a family or nation
Example
Our forefathers fought for independence.
我们的祖先为独立而战斗。
C1 noun, verb /ˈfrænʧaɪz/

franchise

特许经营
Meaning
A legal right to sell or distribute goods or services in a specific area; to grant such a right.
Example
He opened a new fast-food franchise in the city.
他在城市里开设了一家新的快餐特许经营店。
B2 verb /fjuːz/

fuse

熔合
Meaning
To join or blend two or more things together into one.
Example
The two metals fused under high heat.
这两种金属在高温下融合。
C2 adjective /ˈfraʊzi/

frowzy

邋遢
Meaning
Unkempt, messy, or having a musty, unpleasant smell.
Example
He entered the room with a frowzy appearance after sleeping on the couch.
他在沙发上睡觉后，以邋遢的外貌走进了房间。
A1 number /ˈfɔːrti/

forty

幸福
Meaning
the number 40; ten times four
Example
She celebrated her forty years of life with a big party.
当她收到奖项时，她无法掩饰自己的幸福。