negative
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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 /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 /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。
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。
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 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 /ˌnɑm.əˈni/

Nominee

提名人
Meaning
a person who is nominated for an office, award, or honor
Example
She was the nominee for the Best Actress award.
她是最佳女演员奖项的提名人。
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。
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 /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。
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 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。
C1 adjective /ˈnjʊrəl/

neural

Meaning
Relating to nerves or the nervous system.
Example
Scientists study neural connections in the brain.
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 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。
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 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。
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 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。
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。
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 /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。
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 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。
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。
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。
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。
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 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 adjective /ˌnɒnˈprɒfɪt/

nonprofit

非营利组织
Meaning
an organization that does not aim to make a profit, often serving a social or charitable purpose.
Example
She works for a nonprofit organization that helps children.
她为一个帮助孩子的非营利组织工作。
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。
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。
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。
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 /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 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, 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。
B2 adjective /njuːˈmɛrɪkəl/

numerical

数字的
Meaning
relating to or expressed in numbers
Example
The report provides numerical data on population growth.
报告提供了有关人口增长的数字数据。
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。
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 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 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 /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。
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。
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。
B2 noun; adjective /ˌnɒnˈprɒfɪt/

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。
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。
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 /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。
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。
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。
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。
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 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。
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 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。
B1 adjective /ˈneɪtɪv/

native

本地的
Meaning
Belonging to a person by birth; originating in a particular place.
Example
He is a native speaker of Bengali.
他是孟加拉语的母语者。
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 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。
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。
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 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。
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。
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。
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 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。
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 /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。
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 /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。
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。
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 noun ˌnæʃ.ən.ə.laɪˈzeɪ.ʃən

nationalization

国有化
Meaning
The process of a government taking control of private property or industry.
Example
The nationalization of banks was aimed at stabilizing the economy.
银行的国有化旨在稳定经济。
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。
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.
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 /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。
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。
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。
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。
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 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。
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。
C1 adjective /ˈnɒnʃələnt/

nonchalant

Meaning
Appearing calm, casual, and unconcerned.
Example
He gave a nonchalant shrug and walked away.
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。
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 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 /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。
A1 noun /naɪt/

night

夜晚
Meaning
the time of darkness between one day and the next, when most people sleep
Example
She loves going for walks at night.
她喜欢晚上散步。
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。
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 /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 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。
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 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。
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 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 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。
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。
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/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。
C1 adverb /ˈnɔːθwədz/

Northwards

向北
Meaning
towards the north; in a northerly direction
Example
The birds migrate northwards in spring.
鸟类在春天向北迁徙。
C2 noun /ˈneɪdɪər/

nadir

Meaning
The lowest point of a situation or condition.
Example
The company reached its nadir during the financial crisis.
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。
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。
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 /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 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。
A1 noun /naɪn/

nine

九
Meaning
the number that is one more than eight
Example
She has nine books in her collection.
她的收藏里有九本书。
B2 adverb /ˌnɒnˈstɒp/

Non-stop

不停地; 不间断地
Meaning
continuing without stopping; without interruption
Example
The train traveled non-stop from London to Paris.
火车从伦敦到巴黎不停驶行。
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 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。
B2 noun /ˈnuː.tri.ənt/

nutrient

营养物质
Meaning
A substance that provides nourishment essential for growth and health of plants or animals.
Example
Plants absorb nutrients from the soil for growth.
植物从土壤中吸收营养物质来生长。
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 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 /nɛˈkroʊsɪs/

necrosis

坏死
Meaning
the death of body tissue due to disease, injury, or lack of blood supply
Example
The doctor explained that the patient’s wound showed signs of necrosis.
医生解释说，病人的伤口显示出坏死的迹象。
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。
A2 verb /noʊt/

note

记录
Meaning
to write down or observe something; to pay attention to
Example
Please note the important points during the lecture.
请在讲座中注意重要的要点。
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。