Nervous
All a b c d e f g h i j k l m n o p q r s t u v w x y z
All CEFR A1 A2 B1 B2 C1 C2
Content locale
EN 英语 BN 孟加拉语 HI 印地语 ES 西班牙语 FR 法语 DE 德语 RU 俄语 ZH 中文 JA 日语
All Vocabulary Cards All Vocabularies
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 /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。
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。
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。
A1 adverb /naʊ/

now

现在
Meaning
at the present moment or time
Example
I am studying now.
我现在正在学习。
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 /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。
B1 noun/adjective /ˈnɒvəl/

novel

小说 / 新的
Meaning
A long fictional narrative; also something new or unusual.
Example
She spent the weekend reading a historical novel.
她在周末阅读了一本历史小说。
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 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 /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 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。
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。
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 /ˈnɔːrmən/

Norman

Meaning
A member of a people of mixed Scandinavian and Frankish origin who settled in Normandy, or relating to their culture.
Example
The Normans conquered England in 1066.
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。
C2 adjective /ˈnɒmɪk/

nomic

与法律相关
Meaning
Relating to laws, rules, or systems.
Example
The philosopher discussed the nomic necessity of natural laws.
哲学家讨论了自然法则的诺米克必要性。
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。
B2 noun /nʌn/

Nun

修女
Meaning
a woman who has taken vows in a religious order and lives in a convent
Example
The nun taught at the local Catholic school.
修女在当地的天主教学校授课。
B2 verb /ˈnæreɪt/

narrate

叙述
Meaning
To tell a story or describe events, often in detail.
Example
She will narrate the events of her journey to the audience.
她将向观众叙述她旅途中的事件。
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。
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。
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 /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。
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 /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 /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。
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。
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 /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。
A1 adverb /nɒt/

not

不
Meaning
used to make a word or phrase negative
Example
I do not like spicy food.
我不喜欢辣的食物。
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。
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 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。
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。
B2 noun /ˈnæp.kɪn/

Nap Kin

餐巾
Meaning
a piece of cloth or paper used for wiping the mouth and hands while eating
Example
She placed the napkin on her lap before starting dinner.
她在开始吃晚餐前，把餐巾放在了自己的膝盖上。
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。
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 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 /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 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 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。
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。
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 /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。
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 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。
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 noun ˈnɒv.əl.ti

novelty

新颖
Meaning
The quality of being new, original, or unusual; a new or unfamiliar thing or experience.
Example
The novelty of the invention attracted investors.
发明的新颖性吸引了投资者。
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。
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。
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 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。
C1 adjective /ˈneɡ.lɪ.dʒə.bəl/

Negligible

微不足道
Meaning
so small or unimportant as to be not worth considering; insignificant
Example
The side effects of this medicine are negligible.
这种药物的副作用微不足道。
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 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。
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 adjective /ˌnɒnˈvɜː.bəl/

non-verbal

不涉及或使用语言或演讲; 通过手势、肢体语言或面部表情进行交流。
Meaning
Not involving or using words or speech; communicated through gestures, body language, or facial expressions.
Example
Non-verbal cues are just as important as words.
非语言提示与言语同样重要。
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 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 /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。
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。
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。
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。
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。
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。
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。
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 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 noun /ˈnʌt.meg/

Nut meg

肉豆蔻
Meaning
a spice made from the seed of the fruit of an evergreen tree, used in cooking and baking
Example
The recipe called for a teaspoon of ground nutmeg to flavor the custard.
食谱中要求用一茶匙磨碎的肉豆蔻来调味蛋奶冻。
C2 noun /neɪv/

nave

教堂的中央部分
Meaning
the central part of a church building intended to accommodate the congregation
Example
The choir sang beautifully in the church nave.
合唱团在教堂的内夫里唱得非常动听。
C2 adjective ˌnjʊə.rəʊ.saɪənˈtɪ.fɪk

neuroscientific

神经科学的
Meaning
Related to the scientific study of the brain and nervous system.
Example
Neuroscientific research helps understand memory retention.
神经科学研究有助于理解记忆保持。
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 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 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 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 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 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。
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。
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 adjective /ˈnuːkliər/

nuclear

核能
Meaning
relating to the nucleus of an atom or to nuclear energy
Example
The country is developing nuclear energy.
该国正在开发核能。
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。
B2 noun /nɪˌɡoʊ.siˈeɪ.ʃən/

Negotiation

旨在达成协议的讨论; 谈判
Meaning
discussion aimed at reaching an agreement; bargaining
Example
The negotiation between the two companies lasted for weeks.
两家公司之间的谈判持续了好几个星期。
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.
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。
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 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。
C2 noun /ˈnɪn.i/

Ninny

傻瓜
Meaning
a silly or foolish person; someone who lacks common sense
Example
Don't be such a ninny, use your brain!
不要做傻瓜，动动脑子！
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。
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。
A1 verb /neɪm/

name

命名
Meaning
to give a title or designation to someone or something
Example
They decided to name their baby Sarah.
他们决定把他们的宝宝命名为莎拉。
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。
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 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。
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 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。
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 /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。
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。
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 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 /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 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。
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。
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。
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 /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。
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 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。
B2 adjective /ˈneɪvəl/

naval

海军的
Meaning
relating to a country's navy or military ships
Example
The country invested heavily in naval defense.
该国在海军防御方面进行了大量投资。
C1 adjective /ˈnɒnʃələnt/

nonchalant

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