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C2 adjective /ˈnɛðər/

nether

下方的
Meaning
situated down or below; lower
Example
They explored the nether regions of the cave.
他们探险了洞穴的下方区域。
C2 noun /ˌnjʊə.rəʊˈdʒɛn.ɪ.sɪs/

neurogenesis

大脑中新神经细胞的形成过程
Meaning
The process of forming new nerve cells in the brain.
Example
Scientists are studying neurogenesis to understand brain health.
科学家们正在研究神经发生，以了解大脑健康。
B1 adverb /ˈnætʃərəli/

Naturally

自然地
Meaning
in a natural manner; as expected; of course
Example
She naturally excels in mathematics.
她在数学上自然地出色。
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 /ˈnɔːrmən/

Norman

Meaning
A member of a people of mixed Scandinavian and Frankish origin who settled in Normandy, or relating to their culture.
Example
The Normans conquered England in 1066.
C1 adjective /ˈnɔːʃəs/

nauseous

感觉恶心
Meaning
feeling like you are about to vomit; causing a feeling of sickness
Example
The smell of rotten food made her feel nauseous.
腐烂食物的气味让她感到恶心。
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。
C2 verb /ˈnɔːzieɪt/

nauseate

引起恶心
Meaning
To make someone feel sick, with an inclination to vomit.
Example
The spoiled food nauseated him quickly.
坏掉的食物很快让他感到恶心。
A2 adverb /ˈnaʊədeɪz/

Now-a-days

如今; 现在
Meaning
at the present time; in these times
Example
Now-a-days, people prefer online shopping.
现在人们更喜欢在线购物。
B2 noun /ˈnæreɪtər/

narrator

叙述者
Meaning
A person who tells the story in a book, play, or film.
Example
The narrator guided the audience through the complex plot.
叙述者引导观众穿越复杂的情节。
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。
C1 noun /ˈnɔː.zi.ə/

Nausea

恶心
Meaning
a feeling of sickness with an inclination to vomit
Example
The motion of the boat caused severe nausea.
船的晃动引起了严重的恶心感。
C1 noun /ˈnaɪ.tɪŋ.ɡeɪl/

Nightingale

夜莺
Meaning
small songbird known for its beautiful singing, especially at night
Example
The nightingale sang sweetly in the moonlight.
夜莺在月光下甜美地歌唱。
C1 verb /nʌdʒ/

nudge

轻推
Meaning
To push someone gently, usually with your elbow, in order to attract attention.
Example
She nudged him to be quiet during the meeting.
她在会议中轻轻地用肘部推了他一下，让他保持安静。
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。
C1 adjective ˌnɒnˈvɜːr.bəl

nonverbal

非语言
Meaning
Communication using body language, facial expressions, or gestures instead of words
Example
Nonverbal cues play a crucial role in effective communication.
非语言提示在有效沟通中起着至关重要的作用。
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。
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。
C2 adjective /ˈnɛtlˌsʌm/

nettlesome

令人烦恼的
Meaning
Causing irritation, annoyance, or difficulty.
Example
The nettlesome rules frustrated the workers.
令人烦恼的规则让工人们感到沮丧。
B2 adjective /njuːˈtrɪʃ.əs/

Nutritious

有营养的
Meaning
containing substances that help the body grow and stay healthy; nourishing
Example
Eating nutritious food helps maintain good health.
吃有营养的食物有助于保持身体健康。
A2 noun /ˈnæpkɪn/

napkin

餐巾
Meaning
a piece of cloth or paper used to wipe the mouth and hands while eating
Example
She placed a napkin on her lap before eating.
她在吃饭前把餐巾放在膝盖上。
B2 noun /ˈnoʊ.ʃən/

Notion

概念
Meaning
a conception or belief about something; an idea or opinion
Example
She had a strange notion that someone was following her.
她有一个奇怪的概念，认为有人在跟踪她。
C2 noun /ˈnaɪəlɪst/

nihilist

虚无主义者
Meaning
A person who rejects all religious and moral principles, often believing that life is meaningless.
Example
He was called a nihilist for rejecting all social norms.
因为拒绝所有社会规范，他被称为虚无主义者。
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。
B2 verb /nɪˈɡlekt/

neglect

忽视
Meaning
to fail to care for or give attention to something
Example
Don't neglect your health while studying.
学习时不要忽视自己的健康。
C2 noun /ˌniːoʊˈpeɪɡənɪzəm/

neopaganism

新异教主义
Meaning
Modern religious movements influenced by or claiming to be derived from the various historical pagan beliefs of pre-modern Europe.
Example
Neopaganism has gained popularity as people seek spiritual alternatives to mainstream religions.
新异教主义已获得越来越多的关注，因为人们正在寻找主流宗教的精神替代品。
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。
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。
B2 adjective /ˈnær.ə.tɪv/

Narrative

叙述的; 描述性的; 讲述故事的
Meaning
relating to storytelling; descriptive; telling a story; recounting events
Example
The narrative structure of the novel was quite complex.
这本小说的叙述结构相当复杂。
B2 adjective /ˈniː.di/

Needy

贫困的; 需要帮助的; 缺乏基本生活必需品的
Meaning
requiring help or support; poor; lacking basic necessities
Example
The charity helps needy families during the winter.
慈善在冬季帮助贫困家庭。
B2 verb /ˈnæv.ɪ.ɡeɪt/

navigate

导航
Meaning
To plan and direct the route or course of a ship, aircraft, or other form of transport.
Example
The GPS helps navigate complex routes.
GPS帮助导航复杂的路线。
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。
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。
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。
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。
B2 adjective ˈnjuːtrəl

neutral

中性
Meaning
Having no electric charge; neither positive nor negative.
Example
Neutrons are electrically neutral.
中子电中性。
B2 adjective /ˈnoʊ.bəl/

Noble

高尚的；贵族的
Meaning
having high moral qualities; honorable; generous; of aristocratic birth
Example
His noble actions helped many people in need.
他的高尚行为帮助了许多需要帮助的人。
C2 noun /ˈnɑːstrəm/

nostrum

无效的药物
Meaning
a medicine or remedy, especially one that is not considered effective; a questionable solution
Example
The politician’s plan was dismissed as a mere nostrum for a complex problem.
政治家的计划被视为一个复杂问题的简单无效药物。
C2 noun /nɪˈkrɒlədʒi/

necrology

讣告
Meaning
An obituary notice or a list of people who have recently died.
Example
The newspaper published a necrology of notable figures who passed away that year.
报纸发布了该年已故知名人物的讣告。
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。
A2 adjective /ˈnɜː.vəs/

Nervous

紧张, 焦虑
Meaning
feeling anxious or worried; relating to the nerves; easily agitated
Example
She felt nervous before her job interview.
她在面试前感到紧张。
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。
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。
A2 noun /niːs/

niece

侄女; 外甥女
Meaning
the daughter of one's brother or sister
Example
My niece is studying at the university this year.
我的侄女今年在大学学习。
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.
C1 noun /nɑːrˈkɒtɪk/

narcotic

麻醉品
Meaning
A drug that dulls the senses and relieves pain, often causing sleep and sometimes addiction.
Example
The police seized a large amount of narcotic substances.
警察查获了一大批麻醉品。
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。
C1 noun /ˈnoʊ.və/

Nova

新星
Meaning
a star that suddenly increases greatly in brightness
Example
Astronomers discovered a new nova in the constellation.
天文学家在星座中发现了一个新的诺瓦。
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 /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 /niˈɒlədʒi/

neology

使用新词或研究其起源
Meaning
The use of new words or the study of their origin.
Example
The professor specialized in neology, studying the creation of modern slang.
教授专注于新词学，研究现代俚语的创造。
C1 noun /ˈnɛm.ə.sɪs/

nemesis

敌人 / 对手
Meaning
A long-standing rival or an inescapable agent of downfall.
Example
For years, he considered his colleague to be his nemesis.
多年来，他把同事当作自己的敌人。
C1 verb /nɪp/

nip

轻咬
Meaning
to pinch or bite lightly; to move quickly
Example
The cold wind nipped at my face.
冷风轻咬着我的脸。
C1 noun njuːˈtræl.ə.ti

neutrality

中立
Meaning
The state of not supporting or helping either side in a conflict, disagreement, etc.; impartiality.
Example
Neutrality fosters trust in decision-making.
中立有助于决策中的信任。
C2 noun /nəˈkrɒpəlɪs/

necropolis

古代墓地
Meaning
a large ancient cemetery with elaborate tombs
Example
The archaeologists discovered artifacts in the necropolis of the ancient city.
考古学家在古城的内克罗波利斯中发现了文物。
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。
C1 verb /ˈnɔːrməlaɪz/

normalize

正常化
Meaning
to bring something back to a normal or standard condition; to make something conform to a standard
Example
The government took steps to normalize relations with neighboring countries.
政府采取措施使与邻国的关系正常化。
C1 verb /ˈnɪbəl/

nibble

啃
Meaning
to take small bites of food
Example
The rabbit nibbled on a carrot.
兔子咬着胡萝卜。
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。
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。
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。
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。
B1 noun /ˈnɜːrsɪŋ/

nursing

护理
Meaning
the profession or practice of caring for the sick or injured
Example
She is studying nursing to become a healthcare professional.
她在学习护理学，想成为一名医疗专业人员。
C2 verb /ˈnɪɡəl/

niggle

Meaning
to cause slight but persistent annoyance, discomfort, or worry
Example
A small doubt niggled at her mind.
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。
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。
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。
C1 noun ˈnɛktər

Nectar

花蜜
Meaning
A sweet liquid produced by flowers that serves as food for butterflies.
Example
Butterflies drink nectar from flowers.
蝴蝶从花朵中喝取花蜜。
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。
B2 adjective /ˈnuːkliər/

nuclear

核能
Meaning
relating to the nucleus of an atom or to nuclear energy
Example
The country is developing nuclear energy.
该国正在开发核能。
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 noun, adjective /ˌnɒn ˈrɛzɪdənt/

non-resident

非居民
Meaning
a person who does not live in a particular country or place permanently
Example
Non-resident students often pay higher tuition fees.
非居民学生通常支付更高的学费。
B2 adverb /ˈneɪmli/

Namely

即; 特别是;
Meaning
that is to say; specifically; to be precise
Example
Three cities, namely Paris, London, and Rome, were visited.
三个城市，即巴黎、伦敦和罗马，被参观。
C1 adjective /ˈnɑːkʃəs/

noxious

有害的
Meaning
harmful, poisonous, or very unpleasant
Example
The factory released noxious fumes into the air.
工厂释放了有害气体进入空气。
B2 noun noʊˈbel praɪz

Nobel Prize

诺贝尔奖
Meaning
Any of six international prizes awarded annually for outstanding work in physics, chemistry, physiology or medicine, literature, economics, and the promotion of peace.
Example
Nobel Prize recognition evaded Bose's contributions.
诺贝尔奖的认可未能体现博斯的贡献。
A2 conjunction /nɔːr/

nor

也不
Meaning
used to introduce a negative clause after a negative statement
Example
He didn't call, nor did he send a message.
他没有打电话，也没有发送消息。
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。
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。
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。
C1 noun ˈnærətɪv staɪl

narrative style

叙事风格
Meaning
The way in which a story is told, including the point of view and the voice of the narrator.
Example
Dickens' narrative style is engaging and emotional.
狄更斯的叙事风格引人入胜且富有情感。
C2 noun /ˌniːoʊˈdɑːrwɪnɪzəm/

neo-darwinism

新达尔文主义
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.
新达尔文主义将达尔文的自然选择理论与现代遗传学相结合。
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 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。
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。
A1 adjective /naɪs/

Nice

愉快的; 漂亮的; 满意的; 吸引人的
Meaning
pleasant; agreeable; satisfactory; good; attractive
Example
She wore a nice dress to the party.
她穿着一件漂亮的裙子去参加派对。
C2 adjective ˌnjʊə.rəʊ.saɪənˈtɪ.fɪk

neuroscientific

神经科学的
Meaning
Related to the scientific study of the brain and nervous system.
Example
Neuroscientific research helps understand memory retention.
神经科学研究有助于理解记忆保持。
B2 noun /ˈnɪk.neɪm/

Nickname

昵称
Meaning
a familiar or humorous name given to a person instead of their real name
Example
His nickname is 'Tiger' because he's so brave.
他的昵称是'老虎'因为他非常勇敢。
C2 adjective /ˌnɒnˈtrɪviəl/

nontrivial

非平凡
Meaning
Not simple or easy; requiring effort or significant thought.
Example
Solving the equation turned out to be a nontrivial task.
解决方程被证明是一个非平凡的任务。
B2 adverb /ˈnɔɪzɪli/

Noisily

喧闹地
Meaning
in a way that makes a lot of noise; loudly
Example
The children were playing noisily in the playground.
孩子们在操场上喧闹地玩耍。
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 ˈneɪʧər ɪnˈθjuːziæsts

Nature Enthusiasts

自然爱好者
Meaning
People who have a passionate interest in and love for the natural world and outdoor activities.
Example
Nature enthusiasts often visit Sajek Valley for its scenic beauty.
自然爱好者常常前往萨杰克山谷，欣赏其美丽的景色。
C1 noun /ˈnoʊmæd/

nomad

游牧民
Meaning
A person who has no permanent home and moves from place to place.
Example
The desert was once home to nomads who lived by herding animals.
沙漠曾经是游牧民的家，他们靠放牧生存。
A1 verb /neɪm/

name

命名
Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
他们决定把他们的宝宝命名为莎拉。
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。
C2 adjective /ˈnjuːmɪnəs/

numinous

神秘的
Meaning
having a strong spiritual or mysterious quality
Example
The temple had a numinous atmosphere that inspired awe.
这座寺庙有一种神秘的氛围，令人敬畏。
A2 noun /ˈneɪbər/

neighbor

邻居
Meaning
a person living next door or nearby
Example
My neighbor lent me some sugar when I ran out.
我的邻居在我糖用完时借给了我一些糖。
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。
A2 adverb /ˈnɔːməli/

Normally

通常
Meaning
in the usual way; under normal circumstances
Example
I normally wake up at 7 AM every day.
我通常每天早上7点醒来。
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。
C1 adjective /nəʊˈmæd.ɪk/

nomadic

游牧
Meaning
Living the life of a nomad; wandering from place to place without a fixed home.
Example
The tribe led a nomadic lifestyle.
部落过着游牧生活。
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。
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。
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。
B1 noun /ˈnætʃərəl dɪˈzæstər/

natural disaster

自然灾害
Meaning
a catastrophic event caused by natural processes of the Earth that results in significant damage, destruction, or loss of life
Example
The coastal town was devastated by a natural disaster.
这座沿海城镇被一场自然灾害摧毁了。
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。
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。
C2 noun /naɪt ˈdʒæz.mɪn/

Night-jesmine

夜茉莉
Meaning
a fragrant flowering tree that blooms at night with small white flowers
Example
The night-jasmine tree blooms only after sunset with its tiny white flowers.
夜茉莉树只在日落后开出它的小白花。
B2 adverb /ˌnɛvəðəˈlɛs/

nevertheless

Meaning
in spite of that; however
Example
He was tired; nevertheless, he kept working.
A1 noun /ˈnʌmbər/

number

号码
Meaning
a mathematical value used to count, measure, or label
Example
She gave me her phone number.
她给了我她的电话号码。
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。
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。
B2 noun, verb /nɜːrv/

nerve

神经; 勇气
Meaning
A bundle of fibers in the body that transmits signals between the brain and other parts; also courage or audacity.
Example
She gathered the nerve to speak in front of the large audience.
她鼓起勇气在大观众面前发言。
B1 noun /ˈnaɪt.meər/

Nightmare

噩梦
Meaning
a frightening or unpleasant dream; a very unpleasant experience
Example
The exam was a complete nightmare for unprepared students.
考试对未准备的学生来说是一场彻底的噩梦。
B2 noun nɪˈsesɪti

necessity

必要性
Meaning
The fact of being required or indispensable; an indispensable thing.
Example
Waste management is a necessity for environmental sustainability.
废物管理是环境可持续性的必要性。
C1 noun /ˈnɒs.trɪl/

Nostril

鼻孔
Meaning
either of the two openings in the nose through which air passes
Example
The doctor checked each nostril for any blockage.
医生检查了每个鼻孔，寻找任何阻塞物。
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。
B1 adjective /ˈnær.oʊ/

Narrow

狭窄的; 限制的; 受限的
Meaning
having a small width; thin; limited in scope; restricted
Example
The narrow street was barely wide enough for two cars.
这条狭窄的街道几乎不足以容纳两辆车。
A2 pronoun /nʌn/

none

没有人
Meaning
not any; no one; not one
Example
None of the students passed the exam.
没有学生通过考试。
C1 noun /naɪˈiːvɪti/

naivety

天真
Meaning
The quality of being innocent, simple, and lacking experience or sophistication.
Example
Her naivety made her trust people too easily.
她的天真使她太容易相信别人。
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。
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。