Nigella
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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。
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。
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 verb /ˈnuːtər/

neuter

去势
Meaning
To remove the reproductive organs of an animal; or having no gender.
Example
They decided to neuter their cat to prevent more kittens.
他们决定给猫去势，以防止更多小猫的出生。
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 /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 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。
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 /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。
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 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。
C2 noun /ˈneɪˌseɪ.ɪŋ/

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。
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 /ˈnes.lɪŋ/

Nestling

雏鸟
Meaning
a young bird that has not yet left its nest
Example
The mother bird fed the hungry nestling with worms.
母鸟用虫子喂饥饿的小鸟。
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 /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 noun /nɪˈɡeɪʃən/

negation

否定
Meaning
The act of denying something; the contradiction or absence of something.
Example
The theory is built on the negation of traditional beliefs.
理论建立在对传统信仰的否定之上。
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 adjective /nəˈtɔːriəs/

notorious

臭名昭著
Meaning
Famous or well-known for something bad or undesirable
Example
The area is notorious for its high crime rate.
该地区因其高犯罪率而臭名昭著。
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。
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。
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。
C1 noun /ˈnek.səs/

Nexus

联系; 纽带;
Meaning
a connection or series of connections linking two or more things
Example
There's a clear nexus between education and economic development.
教育与经济发展的之间有一个清晰的纽带。
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。
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。
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。
C1 noun /noʊˈbɪl.ə.ti/

Nobility

贵族; 高级身份
Meaning
the quality of being noble in character; people of noble rank
Example
He showed great nobility in forgiving his enemies.
他通过原谅敌人展现了伟大的贵族精神。
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。
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 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 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。
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。
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。
C2 noun /ˈneɪdɪər/

nadir

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

Narrowly

勉强地; 刚好
Meaning
by a small margin; barely; in a limited way
Example
She narrowly escaped the accident.
她差点逃脱了事故。
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 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。
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。
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。
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。
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。
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。
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。
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。
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 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 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 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 /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 /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。
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。
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 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 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。
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 /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。
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 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。
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 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 /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 /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。
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 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。
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。
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。
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。
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 /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。
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。
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。
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。
C1 adjective /ˈnjuː.ɑːnst/

nuanced

微妙的
Meaning
Characterized by subtle shades of meaning or expression; having fine gradations of meaning, tone, or feeling.
Example
His analysis of the novel was highly nuanced.
他对这部小说的分析非常微妙。
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。
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 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。
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 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 /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。
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。
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 /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。
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。
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 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。
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 /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。
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 /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。
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 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 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。
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。
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.
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。
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。
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 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。
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 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。
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！
C1 adjective /ˈneɪm.ləs/

Nameless

无名的; 匿名的; 不知名的; 未识别的
Meaning
having no name; anonymous; unknown; unidentified
Example
The nameless fear haunted him throughout the night.
无名的恐惧整晚困扰着他。
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。
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。
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, 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。
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 adjective /ˈnɒnʃələnt/

nonchalant

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