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。

A2 noun /ˈnɛtˌwɜrk/

network

网络

Meaning

A system of interconnected people, things, or computers.

Example

She built a strong professional network.

她建立了一个强大的职业网络。

C1 noun /ˈnɛkˌlaɪn/

neckline

领口

Meaning

the edge of a garment around the neck, especially as cut to form a particular shape

Example

The dress has a beautiful V-shaped neckline.

这件裙子有一个漂亮的V形领口。

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 noun /njʊəˈrəʊ.sɪs/

neurosis

神经症

Meaning

A relatively mild mental illness that is not caused by organic disease, involving symptoms of stress.

Example

His neurosis made social interactions difficult.

他的神经症使得社交互动变得困难。

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 adjective /ˌniːoʊˈlɪθɪk/

neolithic

新石器时代的

Meaning

Relating to the later part of the Stone Age, when ground or polished stone weapons and tools prevailed.

Example

Neolithic communities began practicing agriculture and domesticating animals.

新石器时代的社区开始从事农业和驯化动物。

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 /noʊz rɪŋ/

Nose ring

鼻环

Meaning

a piece of jewelry worn through a piercing in the nose

Example

She got a small gold nose ring for her birthday.

她在生日时收到了一个小巧的金鼻环。

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。

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。

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。

C2 noun /njuːˈmɪzmətɪst/

numismatist

钱币学家

Meaning

A person who studies or collects coins, paper currency, and medals.

Example

The numismatist displayed his rare coin collection at the exhibition.

钱币学家在展览会上展示了他的稀有硬币收藏

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。

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。

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 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。

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。

A1 adjective /nɛkst/

naysaying

负面言论

Meaning

The act of expressing negative or pessimistic views.

Example

His constant naysaying discouraged the team.

他不断的负面言论使团队失去了动力。

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。

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。

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 /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。

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。

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。

B2 adverb /ˌnɛvəðəˈlɛs/

nevertheless

Meaning

in spite of that; however

Example

He was tired; nevertheless, he kept working.

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。

C2 adjective /ˌnɒnkəˈmɪtl̩/

noncommittal

Meaning

Not expressing or showing a clear opinion, decision, or commitment.

Example

She gave a noncommittal reply when asked about her future plans.

C1 noun /ˈnɑː.sɪ.sɪ.zəm/

narcissism

自恋

Meaning

Excessive interest in or admiration of oneself; extreme selfishness.

Example

His excessive narcissism made it difficult for him to empathize with others.

他的过度自恋让他很难同情他人。

C1 noun /ˈnʌr.ɪʃ.mənt/

nourishment

营养

Meaning

Food and nutrients necessary for the body's growth and development.

Example

Proper nourishment is essential for child development.

适当的营养对儿童的发展至关重要。

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。

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 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。

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。

B1 noun /ˈnɜːrsəri/

nursery

托儿所

Meaning

a room or place where young children are cared for

Example

She works in a nursery, taking care of infants.

她在托儿所工作，照顾婴儿。

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。

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 noun /ˈnaɪt.fɔːl/

nightfall

夜幕降临

Meaning

the time when night begins; dusk

Example

They decided to return home before nightfall.

他们决定在夜幕降临之前回家。

C2 noun /niːˈɒlədʒɪzəm/

neologism

新词

Meaning

A newly coined word or expression.

Example

The internet has given rise to many neologisms like 'selfie' and 'hashtag'.

互联网催生了许多新词，如“自拍”和“标签”。

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 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 adjective /nɑːkˈtɜr.nəl/

Nocturnal

夜行性

Meaning

active at night; happening during the night

Example

Owls are nocturnal animals that hunt at night.

猫头鹰是夜间活动的动物，在晚上捕猎。

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。

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。

C2 noun /ˈnɛkrəˌmænsər/

necromancer

Meaning

a person who practices necromancy; a wizard or magician who claims to communicate with the dead

Example

The villagers feared the old necromancer who lived at the edge of the forest.

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。

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.

B2 noun /ˌnɔːrθˈiːst/

northeast

东北

Meaning

the direction between north and east; a region or area located in that direction.

Example

The storm is moving toward the northeast.

暴风雨正朝东北方向移动。

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。

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 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。

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。

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.

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。

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 verb /ˌnɒnˈplʌst/

nonplused

困惑的

Meaning

Past tense of nonplus; surprised and confused.

Example

She was completely nonplused by his sudden decision.

她完全被他突如其来的决定弄得不知所措。

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 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。

C2 noun /ˈneɪdɪər/

nadir

Meaning

The lowest point of a situation or condition.

Example

The company reached its nadir during the financial crisis.

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。

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 /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。

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。

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。

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。

C1 noun /nɔːrm/

Norm

标准; 常规; 规则; 传统

Meaning

a standard of behavior; what is typical or expected

Example

Working late has become the norm in this company.

加班已成为这家公司的一项常规。

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 /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 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 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。

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。

B2 adjective /ˈneɪbərɪŋ/

neighboring

邻近的

Meaning

situated near or next to another place; adjacent or nearby.

Example

They visited a neighboring village for the festival.

他们去邻村参加节日活动。

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。

A2 adverb /ˈnɪərbaɪ/

Near-by

附近; 在附近

Meaning

close to; not far away; in the neighborhood

Example

There is a grocery store nearby.

附近有一家杂货店。

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。

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 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。

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。

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 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。

C2 noun /ˈniːəˌfaɪt/

neophyte

新手

Meaning

A beginner or novice in a subject, skill, or belief.

Example

As a neophyte in programming, she often asked for guidance from her mentor.

作为编程的新手，她经常向她的导师请教。

C1 adjective /ˌnjʊə.rəˈlɒdʒ.ɪ.kəl/

neurological

神经学的

Meaning

Relating to the anatomy, functions, and organic disorders of nerves and the nervous system.

Example

Meditation has positive neurological effects on mental health.

冥想对心理健康有积极的神经学影响。

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。

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。

A1 pronoun /ˈnʌθɪŋ/

nothing

什么都没有

Meaning

not anything; no thing

Example

She has nothing to worry about.

她没有什么可担心的。

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。

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。

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。

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 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 /niːp/

neap

低潮

Meaning

A tide just after the first or third quarters of the moon when the difference between high and low tide is least.

Example

During a neap tide, the water level change is minimal.

在低潮期间，水位变化最小。

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 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。

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 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。

C1 verb /ˈnɛsəl/

nestle

依偎

Meaning

to settle or lie comfortably within or against something

Example

The child nestled into her mother's arms.

孩子依偎在她母亲的怀里。

C2 adjective /ˈnjuːbaɪl/

nubile

年轻的女孩

Meaning

of a young woman, sexually mature and suitable for marriage

Example

The village was celebrating the festival with its nubile maidens dancing.

村庄正在庆祝节日，跳舞的是年轻的女孩。

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。

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。

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 /ˌɛn.biː.esˈpiː/

nbsp

不间断空格

Meaning

a non-breaking space character in HTML used to prevent an automatic line break at its position

Example

Use   in HTML to add a space that won't break into a new line.

在HTML中使用 添加一个不会换行的空格。

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。

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。

C1 noun /ˈnjuːtrɪənt dɪˈfɪʃənsi/

nutrient deficiency

营养不足

Meaning

A lack of essential nutrients required for healthy plant growth, which can result in poor crop development, reduced yields, and increased susceptibility to diseases.

Example

Nutrient deficiency in the soil can reduce crop productivity.

土壤中的营养不足会降低作物的生产力。

B2 adverb /ˈnoʊtəbli/

notably

显著地

Meaning

used to indicate something worthy of attention or significant

Example

She is notably talented in painting.

她在绘画方面非常有才华。

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 adjective /ˈnjʊrəl/

neural

Meaning

Relating to nerves or the nervous system.

Example

Scientists study neural connections in the brain.

C2 adjective /ˌnɒndɪˈskrɪpt/

nondescript

无特色

Meaning

Lacking distinctive or interesting features; dull and unremarkable.

Example

He lives in a nondescript apartment building on the edge of town.

他住在市区边缘的一座无特色的公寓楼里。

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。

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。

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 noun /ˈnjuːzˌlɛtər/

newsletter

时事通讯

Meaning

a printed or electronic report containing news or information about a company or organization

Example

The company sends a weekly newsletter to its employees.

公司每周向员工发送时事通讯。

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。

C1 noun /ˈneɡ.lɪ.dʒəns/

Negligence

忽视

Meaning

failure to take proper care in doing something; carelessness

Example

The accident was caused by driver negligence.

事故是由司机的忽视引起的。

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。

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。

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。

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 /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 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。