naivety
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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。
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。
A2 conjunction /ˈniːðər/

neither

既不
Meaning
used to connect two negative alternatives
Example
Neither the manager nor the assistant could attend the meeting.
经理和助理都无法参加会议。
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。
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。
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。
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。
C2 noun /ˌniːoʊˈlætɪn/

neo-latin

新拉丁语
Meaning
The use of Latin language for scholarly, scientific, and literary purposes after the medieval period.
Example
Many scientific names are derived from Neo-Latin.
许多科学名称来源于新拉丁语。
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 adverb /ˌnesəˈserəli/

Necessarily

必然地；不可避免地；
Meaning
as a necessary result; inevitably; by logical consequence
Example
Rich people are not necessarily happy.
有钱人不一定幸福。
C2 verb /ˈnuːkliˌeɪt/

nucleate

成核
Meaning
to form into a nucleus or bring together into a central part
Example
The droplets began to nucleate around tiny particles in the air.
水滴开始在空气中的微小颗粒周围形成核。
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.
A2 adverb /ˈnoʊwɛr/

Nowhere

哪里也没有
Meaning
not anywhere; in no place
Example
I searched everywhere but the keys were nowhere to be found.
我到处找，但钥匙哪里也找不到。
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 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 /ˈnɛtl̩/

nettle

一种触碰时会引起刺激的植物
Meaning
a plant with stinging hairs that cause irritation when touched
Example
He accidentally brushed against the nettle and felt a sharp sting.
他不小心碰到了荨麻，感到一阵剧烈的刺痛。
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。
B1 noun /ˌnæʃəˈnæləti/

nationality

国籍
Meaning
The status of belonging to a particular nation, either by birth or naturalization.
Example
Her nationality is Canadian, though she was born in France.
她的国籍是加拿大的，尽管她出生在法国。
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.
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 noun /ˈnɛktəriːn/

nectarine

油桃 (一种光滑皮肤的桃子品种)
Meaning
A smooth-skinned variety of peach.
Example
She bought a basket of fresh nectarines from the market.
她从市场上买了一篮子新鲜的油桃。
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 /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。
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 /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。
B2 noun /ˈnɛtˌwɜːkɪŋ/

networking

建立网络
Meaning
The action of establishing connections and relationships, especially for career or business purposes.
Example
Networking is important for career development.
建立网络对职业发展至关重要。
B2 noun /ˌnɒməˈneɪʃən/

nomination

提名
Meaning
The act of formally proposing someone for a role, position, or award.
Example
Her nomination for the award surprised everyone.
她的奖项提名让大家都感到惊讶。
B2 noun /ˈnuː.kʌm.ər/

New-comer

新来者
Meaning
a person who has recently arrived in a place or joined a group
Example
The newcomer was warmly welcomed by the team.
新来者受到了团队的热烈欢迎。
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。
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。
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。
A2 adjective ˈnesəseri

necessary

必要
Meaning
Required to be done, achieved, or present; essential.
Example
Strict regulations are necessary for maintaining order.
严格的规定是必要的，以保持秩序。
C1 adjective /ˈnæv.ɪ.ɡə.bəl/

Navigable

可航行的
Meaning
suitable for ships or boats to travel on; able to be navigated
Example
The river is navigable for small boats during the rainy season.
这条河在雨季适合小船通行。
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 /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 /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 /ˈneɪ.vəl/

Navel

肚脐
Meaning
the small hollow in the center of the stomach where the umbilical cord was attached
Example
The baby's navel cord fell off after a week.
婴儿的脐带一周后掉了。
A2 adjective /ˈnɔːti/

naughty

顽皮
Meaning
Disobedient or mischievous, often in a playful or mildly bad way.
Example
The naughty child drew on the walls with crayons.
顽皮的孩子用蜡笔在墙上画画。
A2 noun (plural) /ˈnuːdəlz/

noodles

面条
Meaning
long, thin strips of dough made from flour, water, or eggs, cooked and eaten as food
Example
She cooked noodles with vegetables for dinner.
她做了蔬菜面条当晚餐。
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。
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。
C2 noun /ˈnoʊzˌɡeɪ/

nosegay

花束
Meaning
a small bunch of flowers, typically given as a gift or carried for decoration
Example
She carried a nosegay of fresh roses to the ceremony.
她拿着一束新鲜的玫瑰花去参加仪式。
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。
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。
B1 noun /nuːn/

noon

中午
Meaning
12 o'clock in the daytime; midday
Example
The meeting will start at noon.
会议将在中午开始。
A2 verb /nɜːrs/

nurse

护理
Meaning
to care for someone who is sick or injured; to feed a baby
Example
She nursed her sick mother back to health.
她照顾了生病的母亲，直到她恢复健康。
C1 adjective /ˈnjuː.tri.ənt dɛns/

nutrient-dense

营养丰富
Meaning
Rich in nutrients and high nutritional value.
Example
Organic food is often more nutrient-dense than processed food.
有机食品通常比加工食品更富含营养。
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。
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 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。
C1 noun /ˈnɒnʃələns/

nonchalance

漫不经心
Meaning
A relaxed and calm state, showing lack of concern or interest.
Example
She answered the tough questions with surprising nonchalance.
她用出人意料的漫不经心回答了那些难题。
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。
B2 verb /ˈnɒmɪneɪt/

nominate

提名
Meaning
to propose someone for a position or award
Example
The committee decided to nominate her for the award.
委员会决定提名她获得奖项。
C2 adjective /ˈnjuː.trɪ.tɪv/

nutritive

营养的
Meaning
Relating to nutrition; having nourishing qualities.
Example
The nutritive value of the fruit is very high.
水果的营养价值非常高。
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。
A1 noun /nuːz/

news

新闻
Meaning
newly received or noteworthy information, especially about recent events
Example
The news about the storm spread quickly.
关于暴风雨的新闻迅速传播。
A1 noun neɪmz

Names

名字
Meaning
A word or set of words by which a person or thing is known.
Example
Names of family members are written on the family tree.
家庭成员的名字写在家谱上。
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 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。
C2 adjective ˌnjʊəroʊˈkɒɡnɪtɪv

neurocognitive

神经认知
Meaning
Related to brain information processing and memory power
Example
Neurocognitive functions decline due to lack of sleep.
由于缺乏睡眠，神经认知功能下降。
B1 noun /ˈneɪʃən/

nation

国家
Meaning
a large group of people united by common descent, history, culture, or language
Example
The nation celebrated its independence day with pride.
国家以自豪的心情庆祝独立日。
C1 adjective /nɪˈɡlɛktfʊl/

neglectful

疏忽的
Meaning
Failing to give proper care or attention.
Example
The neglectful parent left the child alone for hours.
疏忽的父母把孩子独自留下几个小时。
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。
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 /ˈnoʊtɪfaɪ/

notify

通知
Meaning
to inform someone officially about something
Example
The manager will notify the staff about the schedule change.
经理将通知员工关于时间表的变化。
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。
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 noun /ˌnoʊtɪfɪˈkeɪʃənz/

notifications

通知
Meaning
A notice or announcement, especially an official one.
Example
Turn off notifications to stay focused.
关闭通知以保持专注。
A2 adjective /ˈnætʃərəl/

natural

自然的
Meaning
existing in or derived from nature; not made or caused by humankind
Example
She prefers to use natural ingredients in her cooking.
她更喜欢在烹饪中使用天然的食材。
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。
A2 adjective /ˈnæʃənəl/

national

国家的
Meaning
relating to a nation, especially its culture, language, or government
Example
The national anthem was played at the ceremony.
国歌在仪式上播放。
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。
C1 adjective /ˈnɒnʃələnt/

nonchalant

Meaning
Appearing calm, casual, and unconcerned.
Example
He gave a nonchalant shrug and walked away.
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。
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。
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。
C2 noun /næˈteɪʃən/

natation

游泳
Meaning
The act or sport of swimming.
Example
She took lessons in natation to improve her swimming skills.
她参加了游泳课程，以提高她的游泳技巧。
C2 adjective ˌnjʊə.rəʊ.prəˈtek.tɪv

neuroprotective

神经保护
Meaning
Having the ability to protect nerve cells from damage, degeneration, or impaired function.
Example
Omega-3 fatty acids have neuroprotective benefits.
欧米伽-3脂肪酸具有神经保护作用。
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。
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。
A2 adjective /niːt/

Neat

干净整洁; 井然有序; 精心制作
Meaning
clean and tidy; well-organized; carefully done
Example
Her room is always neat and organized.
她的房间总是整洁有序。
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 /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。
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 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。
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。
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。
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。
C1 noun /ˈneɪ.vəl fɔːrs/

Naval Force

海军
Meaning
the branch of a nation's armed services that conducts military operations at sea
Example
The naval force protected the country's coastline from enemy attacks.
海军保护了国家的海岸线免受敌人攻击
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。
B2 noun /ˈnɒvəlɪst/

novelist

小说家
Meaning
a person who writes novels
Example
The novelist spent years writing his new book.
小说家花了多年写他的最新小说。
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。
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。
A2 adjective /ˈnɪəˌbaɪ/

nearby

附近
Meaning
close to a particular place or person
Example
The nearest gas station is nearby.
最近的加油站就在附近。
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 noun /ˈnoʊtbʊk/

notebook

Meaning
a small book with blank or ruled pages for writing notes; also a portable computer
Example
She opened her notebook to jot down some ideas.
C2 noun /ˌnjuːməˈreɪʃən/

numeration

计数
Meaning
the action or process of counting or assigning numbers
Example
The teacher explained the basics of numeration to the students.
老师向学生解释了计数的基础知识。
A2 adverb /ˈnaɪsli/

nicely

很好地
Meaning
in a pleasant, kind, or satisfactory manner; carefully and appropriately
Example
She explained the problem nicely so everyone could understand.
她把问题解释得很好，让大家都明白了。
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。
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。
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 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。
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 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 /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。
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 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。
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。
C1 noun /ˈnɑv.ɪs/

Novice

新手
Meaning
a person new to or inexperienced in a field or situation; a beginner
Example
As a novice driver, she was very careful on the road.
作为一个新手司机，她在路上非常小心。
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。
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。
C2 adjective /ˈnjuː.ɡə.tɔːr.i/

nugatory

微不足道
Meaning
Of little or no value; worthless or insignificant.
Example
His efforts were nugatory and did not change the outcome.
他的努力微不足道，未能改变结果。
B1 noun /ˈneɪbərˌhʊd/

neighborhood

社区
Meaning
a district or area around or near a particular place
Example
I grew up in a quiet neighborhood.
我在一个安静的社区长大。
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。
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。
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。
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。
B1 noun /ˈniː.dəl/

Needle

针
Meaning
a thin, pointed metal instrument used for sewing
Example
She threaded the needle to sew the button.
她将线穿过针眼，以缝扣子。
C1 adjective /ˈnɔːtɪkəl/

nautical

航海
Meaning
relating to ships, sailors, or navigation on water
Example
He studied nautical charts before setting sail.
他在起航前研究了航海图。
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 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。