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。

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.

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。

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。

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 /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 /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。

C1 noun /ˈnɔːrməlsi/

normalcy

正常

Meaning

The condition of being normal; a return to usual or expected conditions.

Example

After the flood, the town struggled to regain a sense of normalcy.

洪水过后，城镇努力恢复正常状态。

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 /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。

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 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。

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。

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。

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。

C2 noun /ˌnɛɡlɪˈʒeɪ/

negligee

轻薄丝绸睡衣

Meaning

A woman's light dressing gown, often made of thin or silky material.

Example

She wore a silk negligee before going to bed.

她在睡觉前穿上了丝绸睡衣。

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 /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

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 /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 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 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。

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 /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 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 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。

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。

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 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 /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。

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。

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.

B2 adjective, verb /ˈnoʊtɪd/

noted

著名

Meaning

well known or famous; written down or observed

Example

He is a noted author in the field of history.

他是历史领域的著名作家。

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 /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 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。

A2 pronoun /ˈnoʊˌbɑːdi/

nobody

没有人

Meaning

no person; not anyone

Example

Nobody came to the party.

没有人来参加派对。

C2 adjective /njuːˈtoʊniən/

newtonian

与牛顿定律相关

Meaning

relating to the laws of motion and gravitation formulated by Sir Isaac Newton

Example

The scientist explained the Newtonian laws of motion.

科学家解释了牛顿的运动定律。

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。

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。

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。

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。

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 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 /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。

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。

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.

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 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 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 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。

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。

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。

B1 noun /ˈnɑn.sens/

Nonsense

胡说

Meaning

words or language that have no meaning; foolish or unacceptable behavior

Example

Stop talking nonsense and be serious!

停止胡说八道，认真点！

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 /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。

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。

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 /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。

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。

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 noun /ˈnoʊmənˌkleɪtʃər/

nomenclature

命名法

Meaning

A system of names or terms used in a particular science, art, or field.

Example

The chemical nomenclature can be difficult for beginners to understand.

化学命名法对初学者来说可能很难理解。

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。

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 /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 /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。

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 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。

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 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。

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。

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 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。

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 verb /ˌnɒnˈplʌs/

nonplus

使困惑

Meaning

To surprise and confuse someone so much that they are unsure how to react.

Example

The unexpected question seemed to nonplus the speaker.

这个意外的问题似乎让发言者感到困惑。

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。

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 /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。

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。

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 /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。

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 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。

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 adjective /ˌnɒn ɪɡˈzɪstənt/

non-existent

不存在

Meaning

not real or not present; lacking existence

Example

The supposed evidence turned out to be non-existent.

假定的证据证明是不存在的。

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。

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。

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。

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。

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。

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。

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。

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。

A1 adjective /nɛkst/

non-profit

非营利的

Meaning

an organization that does not operate for profit and reinvests surplus to achieve social goals; not intended to make financial profit

Example

She works for a non-profit that provides free education to underprivileged children.

她在一个非营利组织工作，为弱势儿童提供免费教育。

C2 noun /ˌnɒvəˈlɛt/

novellette

短篇小说

Meaning

A short novel or long short story.

Example

The author published a novellette as a preview of her upcoming series.

作者作为她即将发布的系列的预览，发布了一个短篇小说。

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。

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。

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。

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。

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。

A2 noun /ˈnoʊ.tɪs/

Notice

通知

Meaning

attention to something; a written or printed announcement

Example

The notice on the board announced the school closure.

公告板上的通知宣布了学校关闭。

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 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。

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。

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。

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。

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。

B2 adjective /ˈnoʊtɪsəbl/

noticeable

显著的

Meaning

Easily seen, observed, or recognized.

Example

There was a noticeable improvement in her performance.

她的表现有了显著的改善。

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 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。

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。

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。

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 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 /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。

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 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。

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 adjective /ˈnɒm.ɪ.nəl/

Nominal

名义上的; 非常小

Meaning

very small in size or amount; existing in name only

Example

He paid only a nominal fee for the membership since he was a student.

他只支付了名义上的会员费，因为他是学生。