Nippy
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C1 adjective /ˈnɪp.i/

Nippy

寒冷; 刺骨; 快速且灵活的动作
Meaning
cold; chilly; quick and agile in movement
Example
It's quite nippy outside today, you should wear a jacket.
今天外面相当寒冷，你应该穿上夹克。
C1 adjective /ˈnɔːrmətɪv/

normative

规范的
Meaning
relating to rules, standards, or norms that govern behavior or beliefs
Example
The study focused on the normative aspects of cultural behavior.
这项研究集中于文化行为的规范性方面。
C2 noun /nɑnˈen.tə.ti/

Nonentity

无足轻重的人; 不存在的事物
Meaning
a person of no importance or influence; something that does not exist
Example
He felt like a nonentity in the large corporation.
他在大公司里感觉自己像个无足轻重的人。
C1 adjective/noun /ˈnɜːr.tʃɚ.ɪŋ/

nurturing

培养, 促进, 发展
Meaning
The process of caring for and encouraging growth or development.
Example
A nurturing environment helps children thrive.
一个 nurturing 环境帮助孩子们茁壮成长。
B2 noun ˌnæv.ɪˈɡeɪ.ʃən

navigation

导航
Meaning
The process or activity of accurately ascertaining one's position and planning and following a route.
Example
GPS technology has improved the navigation of self-driving cars.
GPS 技术改进了自动驾驶汽车的导航。
B2 adjective /ˈneɪ.bər.ɪŋ/

Neighbouring

邻近的; 相邻的; 邻接的
Meaning
situated next to or very near; adjacent; bordering
Example
We often visit our neighbouring countries for trade.
我们经常访问我们的邻国进行贸易。
B2 noun /ˈnæʃənəl ˈænθəm/

national anthem

国歌
Meaning
an official patriotic song of a country, performed at national events and ceremonies
Example
The national anthem was played before the international match.
国际比赛前演奏了国歌。
A1 adverb /nɪər/

Near

近
Meaning
close in space or time; almost
Example
The school is very near to my house.
学校离我家很近。
B2 adjective /ˈnoʊtəbl/

notable

显著
Meaning
worthy of attention or notice; remarkable
Example
She made a notable contribution to the project.
她对这个项目做出了显著的贡献。
C1 noun /ˌnjʊə.roʊ.plæˈstɪs.ɪ.ti/

neuroplasticity

神经可塑性
Meaning
The brain's ability to reorganize itself by forming new neural connections throughout life.
Example
Neuroplasticity allows the brain to rewire itself after an injury.
神经可塑性使大脑在受伤后能够重新连接。
A1 adverb /naʊ/

now

现在
Meaning
at the present moment or time
Example
I am studying now.
我现在正在学习。
C2 noun /ˈnaɪsəti/

nicety

细微之处
Meaning
a fine or subtle detail, or a refined, delicate aspect of something
Example
The lawyer explained the legal niceties of the case.
律师解释了案件的法律细节。
C1 verb /ˈnʌrɪʃ/

nourish

滋养
Meaning
To provide with food or other substances necessary for growth, health, and good condition
Example
Good books nourish the mind.
好书滋养心灵。
C2 noun /ˈnæfθə/

naphtha

石油醚
Meaning
A flammable oil containing hydrocarbons, obtained from petroleum or coal tar, used as fuel or solvent.
Example
The factory stored barrels of naphtha for industrial use.
工厂储存了工业用途的纳夫塔桶。
A1 noun /noʊˈvɛmbər/

november

十一月
Meaning
the eleventh month of the year in the Gregorian calendar
Example
November is often cool and quiet before winter begins.
十一月通常在冬天开始前比较凉爽而安静。
B2 adjective /ˈneɪvəl/

naval

海军的
Meaning
relating to a country's navy or military ships
Example
The country invested heavily in naval defense.
该国在海军防御方面进行了大量投资。
C2 verb /ˈnɪtˌpɪk/

nitpick

Meaning
To find and criticize small or unimportant faults in someone or something.
Example
She tends to nitpick about every little detail.
C1 noun /niːʃ/

Niche

市场细分, 专门领域, 目标市场
Meaning
A specialized segment of the market for a particular kind of product or service.
Example
Finding the right niche is key to a successful business.
找到正确的细分市场是成功经营的关键。
C1 noun /ˌnoʊtəˈraɪəti/

notoriety

恶名
Meaning
The state of being famous or well-known for something bad.
Example
The criminal gained notoriety for his daring escapes.
罪犯因其大胆的逃脱而声名狼藉。
B2 adjective /ˈneɪ.kɪd/

Naked

赤裸的; 没有衣服; 暴露的; 裸露的
Meaning
without clothes or covering; bare; exposed; unclothed
Example
The naked truth about the situation shocked everyone.
关于局势的赤裸真相震惊了所有人。
C2 adjective /ˈnjuː.mər.ə.bəl/

Numerable

可计数的; 数得出的
Meaning
capable of being counted; countable
Example
The stars in the sky are not numerable.
天空中的星星是不可计数的。
C2 noun /nɑːrˈsɪsəs/

narcissus

水仙花
Meaning
A type of flowering plant with yellow or white blooms, often associated with self-love from Greek mythology.
Example
A narcissus bloomed in the garden during spring.
春天时，一朵水仙花在花园里盛开。
B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

旨在达成协议的讨论; 谈判
Meaning
discussion aimed at reaching an agreement; bargaining
Example
The negotiation between the two companies lasted for weeks.
两家公司之间的谈判持续了好几个星期。
C2 noun /niːˈɒkrəsi/

neocracy

由无经验或新官员领导的政府
Meaning
A government or leadership run by inexperienced or new officials.
Example
The sudden revolution led to a neocracy with inexperienced leaders.
突如其来的革命导致了一个新政府，由经验不足的领导人执政。
B2 noun /ˈnuː.səns/

Nuisance

麻烦; 打扰;
Meaning
a person, thing, or circumstance causing inconvenience or annoyance
Example
The constant noise from construction is a real nuisance.
建筑施工的持续噪音是一种真正的麻烦。
A2 noun /ˈnek.ləs/

Necklace

项链
Meaning
a piece of jewelry that is worn around the neck
Example
She wore a beautiful diamond necklace to the party.
她在派对上戴着一条漂亮的钻石项链。
C2 noun ˈnjʊə.rəʊ ˌfiːd.bæk

neurofeedback

一种使用实时显示大脑活动来教授大脑功能自我调节的技术
Meaning
A technique that uses real-time displays of brain activity to teach self-regulation of brain function.
Example
Neurofeedback enhances cognitive performance and relaxation.
神经反馈提高了认知表现和放松。
C1 noun ˌnɒn.kəʊˌɒp.ərˈeɪ.ʃən

non-cooperation

不合作
Meaning
The practice of refusing to cooperate, especially as a form of protest.
Example
The non-cooperation movement gained momentum.
不合作运动获得了动力。
C2 adjective /ˈnʌpʃəl/

nuptial

婚礼的
Meaning
Relating to marriage or weddings.
Example
The couple prepared for their nuptial ceremony with great joy.
这对夫妇满怀喜悦地准备他们的婚礼仪式。
C1 noun /nɪl/

Nil

零; 什么都没有
Meaning
nothing; zero; no amount
Example
His chances of winning were nil after the scandal.
在丑闻之后，他的获胜机会为零。
C1 verb /nɪˈɡeɪt/

negate

Meaning
To cancel out or make ineffective; to deny the truth of something.
Example
The new evidence will negate the claims made earlier.
C1 adjective + noun njuˈtrɪʃəs krɒps

nutritious crops

营养丰富的作物
Meaning
Plants or vegetables that are rich in nutrients and beneficial for health
Example
Winter vegetables are considered nutritious crops.
冬季蔬菜被认为是营养丰富的作物。
C1 adjective /ˈnær.oʊ ˈmaɪn.dɪd/

Narrow-minded

心胸狭窄
Meaning
unwilling to consider new ideas; prejudiced; intolerant; having a limited perspective
Example
His narrow-minded attitude prevented him from accepting new ideas.
他的心胸狭窄使他无法接受新想法。
C2 noun /ˈnɛkrəˌmænsi/

necromancy

死灵法
Meaning
the practice of communicating with the dead, often to predict the future
Example
Ancient texts described rituals of necromancy performed by priests.
古代的文献描述了由祭司执行的死灵法仪式。
C1 noun /nɑːtʃ/

notch

刻痕
Meaning
A small cut or groove on the edge or surface of something; a level or degree of achievement.
Example
He carved a notch on the stick to mark the days.
他在棍子上刻了一个刻痕，以标记天数。
B2 adjective /ˈnjuː.mər.əs/

Numerous

众多的; 很多的; 丰富的
Meaning
existing in large numbers; many; abundant
Example
There are numerous benefits to exercising regularly.
定期锻炼有许多好处。
A1 noun /noʊz/

nose

鼻子
Meaning
the part of the face that contains the nostrils and is used for breathing and smelling
Example
He has a sharp nose and can smell things from far away.
他有一只尖锐的鼻子，可以从远处闻到东西。
C1 noun /ˈnjuːɑːns/

nuance

细微差别
Meaning
A subtle difference in shade of meaning, appearance, or sound.
Example
He noticed the subtle nuance in her expression.
他注意到她表情中的细微差别。
A1 adverb /noʊ/

no

不
Meaning
used to give a negative response or to show disagreement
Example
She said no to the invitation.
她对邀请说了不。
C1 noun /ˈnɪkəl/

nickel

镍币
Meaning
a small coin, typically worth five cents in the United States
Example
He found a nickel on the ground.
他在地上找到了一个镍币。
C1 adjective /ˈneɡ.lɪ.dʒə.bəl/

Negligible

微不足道
Meaning
so small or unimportant as to be not worth considering; insignificant
Example
The side effects of this medicine are negligible.
这种药物的副作用微不足道。
A2 adjective /ˈnɔɪ.zi/

Noisy

吵闹
Meaning
making a lot of loud or unpleasant sound; clamorous
Example
The noisy construction work outside made it difficult to concentrate.
外面的吵闹施工工作使得集中精神变得困难。
C1 preposition/adverb/conjunction /ˌnɒtwɪθˈstændɪŋ/

notwithstanding

尽管如此
Meaning
In spite of; despite
Example
Notwithstanding the challenges, the team completed the project.
尽管面临挑战，团队完成了项目。
B1 noun /neɪl/

Nail

钉子
Meaning
a small metal spike with a broadened flat head; part of finger or toe
Example
He hammered the nail into the wooden board.
他把钉子钉进了木板。
C2 adjective /ˈneɪtl/

natal

与出生有关的
Meaning
Relating to birth or the place of birth.
Example
She returned to her natal village after many years.
她在许多年后返回了她的出生村庄。
C2 verb /ˌnɒnˈplʌst/

nonplussed

困惑
Meaning
Past tense of nonplus; surprised and unsure how to react.
Example
He stood nonplussed at the strange remark.
他对奇怪的评论感到困惑。
C1 adjective /nɪˈɡoʊ.ʃi.ə.bəl/

negotiable

可商议的
Meaning
Open to discussion or modification; capable of being bargained for.
Example
The salary offered is negotiable.
提供的薪水是可商议的。
C2 adjective /ˌnɒnpəˈreɪl/

nonpareil

无与伦比
Meaning
Having no equal; unrivaled or matchless.
Example
Her beauty was considered nonpareil in the region.
她的美貌在该地区被认为是无与伦比的。
C1 adjective /ˈneɡ.lɪ.dʒənt/

Negligent

疏忽的
Meaning
failing to take proper care; careless; showing lack of attention
Example
The negligent driver caused a serious accident.
疏忽的司机造成了一起严重的事故。
A2 noun /nek/

Neck

脖子
Meaning
the part of the body connecting the head to the shoulders
Example
She wore a beautiful necklace around her neck.
她在脖子上戴着一条美丽的项链。
B2 adjective, adverb /ˈneɪʃənˌwaɪd/

nationwide

全国范围
Meaning
existing or happening throughout an entire nation
Example
The campaign received nationwide support.
这项运动得到了全国范围的支持。
C2 noun /nɪb/

nib

钢笔尖
Meaning
the pointed end of a pen used for writing or drawing
Example
He dipped the nib into the ink before writing.
他在写字之前把钢笔尖浸入墨水中。
A2 noun /ˈnefjuː/

nephew

侄子
Meaning
the son of one’s brother or sister
Example
My nephew is studying at the university.
我的侄子在大学学习。
B1 noun /nest/

Nest

鸟巢
Meaning
a structure built by birds to lay eggs and shelter their young
Example
The bird built a nest in the tree.
鸟儿在树上建了一个鸟巢。
A2 noun /ˈneɪ.bər/

Neighbour

邻居; 旁边
Meaning
a person who lives near or next to another person
Example
My neighbour is very friendly and helpful.
我的邻居非常友好且乐于助人。
B1 adverb /ˈniːtli/

Neatly

整齐地; 干净地
Meaning
in a tidy and orderly way; carefully and precisely
Example
She arranged the books neatly on the shelf.
她把书整齐地放在书架上。
C1 noun /ˈnjʊə.rəʊ.trænsˌmɪt.ərs/

neurotransmitters

神经传导物质
Meaning
Chemical messengers that transmit signals across nerve synapses, affecting mood, behavior, and cognitive functions.
Example
Serotonin and dopamine are key neurotransmitters affecting mood.
血清素和多巴胺是影响情绪的关键神经传导物质。
B1 adjective /ˈnɔːðərn/

northern

北方的
Meaning
relating to the north or situated in the north
Example
The northern part of the country is known for its cold climate.
该国的北部因其寒冷的气候而闻名。
C1 noun ˈnuːkliəs

nucleus

原子核
Meaning
The central core of an atom containing protons and neutrons.
Example
The nucleus consists of protons.
原子核由质子组成。
B1 noun /ˈneɪvi/

Navy

海军
Meaning
the branch of armed forces that conducts military operations at sea
Example
He joined the navy after graduating from college.
他在大学毕业后加入了海军。
C1 noun /njʊˈrɑːlədʒi/

neurology

Meaning
The branch of medicine that deals with disorders of the nervous system.
Example
She specializes in neurology and treats patients with brain diseases.
C1 noun /ˈnep.ə.tɪz.əm/

Nepotism

裙带关系
Meaning
the practice of favoring relatives or friends in business or politics
Example
The company was accused of nepotism in its hiring practices.
该公司在招聘过程中被指控存在内坡蒂主义。
B2 noun, adjective, adverb /ˌnɔːrθˈwest/

northwest

西北
Meaning
the direction that is between north and west; situated in or moving toward this direction
Example
Seattle is located in the northwest of the United States.
西雅图位于美国的西北部。
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！
C1 verb /nəˈsɛsɪteɪt/

necessitate

使成为必要
Meaning
To make something necessary or unavoidable.
Example
The heavy rains necessitated the cancellation of the event.
大雨使得活动的取消成为必然。
B2 adjective /nuːd/

nude

裸体
Meaning
Wearing no clothes; naked.
Example
The artist painted a nude model.
艺术家画了一位裸体模特。
C2 adjective /ˈnæti/

natty

时尚
Meaning
Neat, stylish, and fashionable in appearance.
Example
He looked very natty in his new suit.
他在新西装里看起来非常时尚。
C1 adjective /ˈnæs.ənt/

nascent

初生的
Meaning
Emerging, developing, or in the early stages of formation
Example
The nascent technology is revolutionizing industries.
初生的技术正在革命化各行各业。
C2 noun /nuːt/

Newt

蝾螈
Meaning
a small amphibian with a long tail that lives both in water and on land
Example
The newt swam gracefully in the pond.
蝾螈优雅地在池塘里游泳。
A2 adverb /ˈnaʊədeɪz/

nowadays

如今
Meaning
At the present time; in contrast with the past.
Example
Nowadays, many people prefer shopping online.
如今，许多人更喜欢在线购物。
C1 adjective /ˈnɔɪz.ləs/

Noiseless

无声的; 完全安静的
Meaning
making no sound; completely silent
Example
She moved through the house in noiseless steps so as not to wake the baby.
她走过房子，步伐无声，以免吵醒宝宝。
B1 adverb /ˈnjuːli/

newly

最近
Meaning
in a new or recent manner
Example
She has newly renovated her house.
她最近重新装修了她的房子。
B2 noun /ˈnæp.kɪn/

Nap Kin

餐巾
Meaning
a piece of cloth or paper used for wiping the mouth and hands while eating
Example
She placed the napkin on her lap before starting dinner.
她在开始吃晚餐前，把餐巾放在了自己的膝盖上。
C2 noun, adjective /nɒn ˈkɒmbətənt/

non-combatant

非战斗人员
Meaning
a person not engaged in fighting during a war, such as civilians or medical staff
Example
The Red Cross workers were treated as non-combatants in the conflict.
红十字会的工作人员在冲突中被视为非战斗人员。
C1 adjective /ˈneɪzl/

nasal

鼻音的
Meaning
Relating to the nose; a sound produced through the nose.
Example
He spoke with a nasal voice due to his cold.
他因感冒说话带有鼻音。
C1 verb /ˈnʌlɪfaɪ/

nullify

取消
Meaning
to make something legally invalid or ineffective
Example
The court decided to nullify the contract.
法院决定取消合同。
A2 adjective /ˈnɔː.məl/

Normal

正常; 典型; 符合标准; 健康
Meaning
usual; typical; conforming to a standard; healthy
Example
It's normal to feel nervous before an important exam.
在重要的考试前感到紧张是正常的。
A2 noun /nɔɪz/

Noise

噪音
Meaning
a sound, especially one that is loud or unpleasant
Example
The noise from the construction site was very disturbing.
施工现场的噪音非常扰人。
C1 noun /nuːs/

Noose

套索
Meaning
a loop with a running knot used for hanging; a trap or snare
Example
The cowboy made a noose to catch the wild horse.
牛仔做了一个套索来抓住野马。
B2 adverb /ˌnʌnðəˈlɛs/

nonetheless

尽管如此
Meaning
in spite of that; nevertheless
Example
It was raining, but nonetheless, they went hiking.
下着雨，但尽管如此，他们还是去远足了。
B2 noun /nɒsˈtæl.dʒə/

nostalgia

怀旧
Meaning
A sentimental longing for the past, typically for a period or place with happy personal associations.
Example
Listening to old songs fills me with nostalgia.
听老歌让我充满怀旧之情。
A2 adjective ˈnɛɡ.ə.tɪv

negative

负面
Meaning
Not desirable or optimistic; harmful or unpleasant.
Example
She had a negative attitude about the upcoming project.
她对即将到来的项目持负面态度。
B2 noun /ˈnek.taɪ/

Necktie

领带
Meaning
a strip of cloth worn around the neck under a shirt collar and tied in front
Example
He adjusted his necktie before the important meeting.
他在重要会议前调整了他的领带。
C2 noun /nɪmf/

Nymph

水仙
Meaning
a mythological spirit of nature; a beautiful young woman in classical mythology
Example
The water nymph appeared by the moonlit lake.
水仙出现在月光下的湖边。
C2 adjective /ˌnjuːmɪzˈmætɪk/

numismatic

钱币学的
Meaning
relating to the study or collection of coins, currency, and medals
Example
He has a numismatic collection of rare coins from around the world.
他拥有来自世界各地的稀有硬币收藏。
C1 noun /nɪərˈvɑːnə/

nirvana

Meaning
A state of perfect happiness, peace, and freedom from suffering; in Buddhism, the ultimate goal of liberation.
Example
Meditation helps some people seek nirvana in their lives.
C2 adjective /ˈnɔɪ.səm/

Noisome

恶臭的; 有害的或令人不快的
Meaning
having an extremely offensive smell; harmful or unpleasant
Example
The noisome smell from the garbage made everyone cover their noses.
垃圾散发出的恶臭让每个人都捂住了鼻子。
C1 adjective /ˈnɪmbəl/

nimble

灵活
Meaning
Quick and light in movement or thought.
Example
The dancer’s nimble steps impressed the audience.
舞者灵活的步伐给观众留下了深刻的印象。
B2 adjective /naɪˈiːv/

naive

天真
Meaning
Having a lack of experience or sophistication; overly innocent or trusting.
Example
She was naive to believe the scammer’s story.
她天真地相信了骗子的故事。
C2 noun /ˈnjuː.trɪ.mənt/

nutriment

营养物
Meaning
Something that nourishes; sustenance or food.
Example
The soil provides nutriment to the plants.
土壤为植物提供养分。
C2 noun /ˈnʌnəri/

nunnery

修道院
Meaning
A convent or building where nuns live and work.
Example
She decided to join the nunnery to devote her life to spiritual practice.
她决定加入修道院，献身于精神实践。
A1 adjective /njuː/

new

新的
Meaning
recently made, discovered, or introduced; not existing before
Example
He bought a new car yesterday.
他昨天买了一辆新车。
A2 noun ˈneɪ.tʃər

nature

自然。特性。
Meaning
The basic or inherent features of something, especially when seen as characteristic of it.
Example
The calm nature of the environment helps healing.
环境的平静本质有助于治愈。
B2 noun /njuːˈtrɪʃ.ən/

nutrition

营养
Meaning
The process of providing or obtaining the food necessary for health and growth.
Example
Good nutrition is vital for a healthy life.
良好的营养对健康生活至关重要。
C1 adjective /ˈniːd.ləs/

Needless

不必要的
Meaning
unnecessary; not required; without purpose
Example
The argument was needless and could have been avoided.
这场争论是多余的，本来可以避免。
B2 verb /nɪˈɡoʊ.ʃi.eɪt/

negotiate

谈判
Meaning
To discuss something formally in order to reach an agreement.
Example
They negotiated a fair deal with the supplier.
他们与供应商谈判达成了公平的交易。
B2 noun /ˌnəʊtɪfɪˈkeɪʃən/

notification

通知
Meaning
an official or formal notice or message informing someone of something; an alert delivered by a system or device
Example
You will receive a notification when your application is approved.
当你的申请被批准时，你会收到通知。
C2 noun /naɪˈdʒel.ə/

Nigella

黑孜然
Meaning
small black seeds with a nutty, slightly bitter flavor, also known as black cumin or black seed
Example
Sprinkle nigella seeds on top of the bread before baking.
在面包上撒上黑孜然种子，然后烤制。
C1 adverb /ˈnæroʊli/

Narrowly

勉强地; 刚好
Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
她差点逃脱了事故。
B2 verb /nɒd/

nod

点头
Meaning
to move one's head down and up to show agreement or acknowledgment
Example
She nodded in agreement with the proposal.
她点头表示同意该提议。
A2 adverb /ˈnɪərli/

Nearly

差不多; 几乎;
Meaning
almost; not quite; very close to
Example
I nearly missed the bus this morning.
我差点错过了今天早上的公交车。
B2 noun ˈnætʃərəl ˈhæbɪtæt

Natural Habitat

自然栖息地
Meaning
The natural environment where organisms live and fulfill their life needs.
Example
Protecting the natural habitat is crucial for butterflies.
保护自然栖息地对蝴蝶至关重要。
C2 adjective /nɪˈfɛəriəs/

nefarious

邪恶的，犯罪的，或道德上糟糕的
Meaning
Wicked, criminal, or morally bad.
Example
The police uncovered a nefarious plot to cheat investors.
警方揭露了一个邪恶的阴谋，试图欺骗投资者。
C2 noun /njʊˈrældʒə/

neuralgia

神经痛
Meaning
intense, often intermittent pain along a nerve pathway
Example
The patient suffers from neuralgia in her face.
病人面部患有神经痛。
B2 adverb /ˈnæʃənəli/

nationally

在全国范围内
Meaning
at the level of a whole nation; in a way that involves or affects an entire country
Example
The policy was implemented nationally to ensure equal benefits for all citizens.
该政策在全国范围内实施，以确保所有公民享有平等的福利。
B1 noun/adjective /ˈnɒvəl/

novel

小说 / 新的
Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
她在周末阅读了一本历史小说。
B2 noun /næˈreɪʃən/

narration

叙述
Meaning
The act of telling a story or describing events in detail.
Example
The movie’s narration was done by a famous actor.
电影的叙述由一位著名演员完成。
C1 verb /ˈnjuːtrəlaɪz/

neutralize

中和
Meaning
to make something ineffective or harmless
Example
The medicine helped neutralize the poison in his system.
药物帮助中和了他体内的毒素。
A1 adverb /ˈnɛvər/

never

从不
Meaning
at no time in the past or future; not ever
Example
I have never seen such a beautiful sunset.
我从未见过如此美丽的日落。
C1 adjective /ˌnɒnˈvɜː.bəl/

non-verbal

不涉及或使用语言或演讲; 通过手势、肢体语言或面部表情进行交流。
Meaning
Not involving or using words or speech; communicated through gestures, body language, or facial expressions.
Example
Non-verbal cues are just as important as words.
非语言提示与言语同样重要。
A1 noun /nɔːrθ/

north

北方
Meaning
the direction toward the top of a map or the opposite of south
Example
We traveled north to reach the mountains.
我们向北旅行，以到达山脉。
C2 noun /ˌnɒn ˈsɛkwɪtər/

non sequitur

无关的评论
Meaning
a statement or conclusion that does not logically follow from the previous statement
Example
His comment about the weather was a complete non sequitur during the budget discussion.
他关于天气的评论在预算讨论中完全是无关的评论。
C2 noun /ˈnɒn.ɪʤ/

Nonage

未成年时期
Meaning
the period of being under the legal age of majority; youth or immaturity
Example
During his nonage, all legal decisions were made by his guardian.
在他未成年时期，所有法律决定都由他的监护人作出。
A2 adjective /ˈnæsti/

nasty

令人不快的
Meaning
very unpleasant, unkind, or offensive
Example
He made a nasty comment about her dress.
他对她的裙子发表了令人不快的评论。
C1 noun /noʊˈteɪʃən/

notation

符号系统
Meaning
A system of symbols or signs used to represent information, especially in mathematics or music.
Example
The teacher explained the notation used in the algebra equations.
老师解释了代数方程中使用的符号系统。
C1 noun /ˈnɜr.tʃər/

Nurture

培养
Meaning
the process of caring for and encouraging growth or development
Example
Good parenting involves both nature and nurture.
良好的育儿涉及自然和培养两个方面。
C1 noun ˌnæn.oʊ.tekˈnɒl.ə.dʒi

nanotechnology

纳米技术
Meaning
The branch of technology that deals with dimensions and tolerances of less than 100 nanometers.
Example
Nanotechnology is advancing medical treatments.
纳米技术正在推动医疗治疗的发展。
C2 noun /nɪt/

nit

虱子卵
Meaning
The egg or young form of a louse or other parasitic insect.
Example
The teacher noticed nits in the child’s hair.
老师发现了孩子头发里的虱子卵。
C2 adjective /ˈnɪɡərdli/

niggardly

小气
Meaning
unwilling to spend or give; stingy or miserly
Example
He was too niggardly to leave a decent tip.
他太小气，舍不得给个体面的小费。
C2 adjective /ˈneb.jə.ləs/

Nebulous

模糊的; 不明确的; 朦胧的
Meaning
vague or unclear; lacking definite form; hazy
Example
His plans for the future remain nebulous and unclear.
他的未来计划仍然模糊不清。
C1 noun /ˈneb.jʊ.lə/

nebula

星云
Meaning
A cloud of gas and dust in outer space, sometimes visible in the night sky.
Example
The Orion Nebula is one of the brightest in the sky.
猎户座星云是天空中最明亮的之一。