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A1 noun /ˈlet.ər/

Letter

字母; 信
Meaning
a character representing one or more of the sounds used in speech; a written message, typically sent in an envelope
Example
She wrote a letter to her grandmother.
她给她的祖母写了一封信。
C1 adjective /ˈlaʊzi/

lousy

糟糕
Meaning
of very poor quality; bad or unpleasant
Example
He felt lousy after catching the flu.
他在得了流感后感觉很糟糕。
B2 noun /ˈlɒbstər/

Lobster

龙虾
Meaning
a large marine crustacean with claws and a hard shell
Example
The lobster was served with melted butter and lemon.
龙虾配上融化的黄油和柠檬一起上桌。
C2 noun /lɪˈnoʊ.li.əm/

linoleum

油布
Meaning
a durable, washable floor covering made from solidified linseed oil, wood flour, or cork dust on a canvas backing
Example
They decided to cover the kitchen floor with linoleum.
他们决定用油布覆盖厨房的地板。
C2 verb /loʊp/

lope

以长而有弹跳的步伐奔跑或移动
Meaning
to run or move with a long, bounding stride
Example
The horse loped gracefully across the field.
马优雅地在田野上跑步。
C2 adjective /ˈlɪmbər/

limber

灵活和敏捷
Meaning
Flexible and agile in body or movement.
Example
Dancers need to stay limber to perform well.
舞者需要保持灵活才能表现好。
B2 adjective /ˈlæstɪŋ/

Lasting

持久的; 永久的
Meaning
enduring for a long time; permanent; durable
Example
Their friendship had a lasting impact on both their lives.
他们的友谊对他们的生活产生了持久的影响。
C1 noun /liːs/

Lease

租赁合同
Meaning
a contract by which one party conveys land, property, services, etc. to another for a specified time, usually in return for a periodic payment
Example
They signed a two-year lease for the apartment.
他们签署了两年的公寓租赁合同。
B1 noun /ˈleɪ.ər/

Layer

层; 层次;
Meaning
a sheet, quantity, or thickness of material, typically one of several, covering a surface or body
Example
The cake has three layers of chocolate.
蛋糕有三层巧克力。
B2 adjective /ˈlætər/

latter

第二个
Meaning
the second of two people or things mentioned
Example
Between tea and coffee, I prefer the latter.
在茶和咖啡之间，我更喜欢第二个。
C2 noun /ˈluːkər/

lucre

利润
Meaning
money, especially when regarded as sordid or gained dishonorably
Example
He was motivated more by lucre than by duty.
他更多的是由利润而不是责任驱动。
C2 adjective /ˈlaʊtɪʃ/

loutish

粗鲁的
Meaning
Clumsy, rude, or aggressive in behavior.
Example
His loutish remarks offended everyone at the meeting.
他粗鲁的言论冒犯了会议上的所有人。
C2 adjective /ˈlɪŋɡwəl/

lingual

与舌头相关
Meaning
Relating to the tongue or speech.
Example
The dentist examined the patient's lingual surface of the teeth.
牙医检查了病人的牙齿舌面。
C1 noun /lʌst/

Lust

非常强烈的性欲；强烈的渴望某物
Meaning
very strong sexual desire; a passionate desire for something
Example
His lust for power corrupted him completely.
他对权力的欲望完全腐蚀了他。
C2 noun /luːn/

lune

新月
Meaning
A crescent-shaped figure formed by two intersecting arcs; also means 'moon' in French.
Example
The mathematician studied the properties of the lune.
数学家研究了新月的特性。
A2 verb /ˈloʊər/

lower

降低
Meaning
to move something to a lower position or to reduce
Example
The company decided to lower the prices.
公司决定降低价格。
C2 noun /ˈlɛtʃ.əri/

lechery

色欲
Meaning
excessive or offensive sexual desire; lustfulness
Example
The novel depicted the lechery of corrupt nobles.
这本小说描述了腐化贵族的色欲。
C2 adjective /ˈlæm.ən.tə.bəl/

lamentable

可悲的
Meaning
deserving to be criticized or regretted; unfortunate
Example
The team’s lamentable performance disappointed their fans.
球队的可悲表现让他们的粉丝失望。
C2 noun /liːən/

lien

留置权
Meaning
A legal right to keep possession of property until a debt is paid.
Example
The bank placed a lien on the house until the mortgage was cleared.
银行对房屋施加了留置权，直到抵押贷款清偿完毕。
A2 noun /laɪt bʌlb/

Light bulb

灯泡
Meaning
a glass or plastic container that produces light when electricity passes through it
Example
The light bulb in the kitchen needs to be replaced.
厨房里的灯泡需要更换。
C1 adjective /ˈlɪstləs/

listless

无精打采
Meaning
lacking energy, enthusiasm, or interest
Example
She felt listless after working long hours without rest.
她在没有休息的长时间工作后感到无精打采。
B2 noun /ˈleɪaʊt/

layout

布局
Meaning
the arrangement or design of something, especially the arrangement of elements in a book, webpage, or room
Example
The designer presented a new layout for the website that was much more user-friendly.
设计师为网站展示了一个全新的布局，这使得它更具用户友好性。
A2 noun /læmp/

Lamp

灯; 台灯
Meaning
a device for giving light, either one using electricity or burning gas or oil
Example
She turned on the reading lamp to illuminate her book.
她打开了阅读灯，以照亮她的书。
B1 noun /ˈlænd.skeɪp/

Landscape

风景
Meaning
all the visible features of an area of countryside or land; the art of designing outdoor areas
Example
The mountain landscape was breathtaking with its snow-capped peaks and green valleys.
山脉的风景令人叹为观止，雪山的山顶和绿色的山谷令人陶醉。
C1 noun /ˈleɪ.dəl/

Ladle

汤勺
Meaning
a large deep spoon with a long handle, used for serving soup or other liquids
Example
Use the ladle to serve the hot soup into bowls.
使用汤勺将热汤倒入碗中。
C2 noun /loʊd/

lode

矿脉
Meaning
A rich source of something, often a vein of valuable metal in the earth.
Example
The miners discovered a rich lode of silver.
矿工发现了一个丰富的银矿脉。
B1 noun /ˈlɪm.ɪt/

Limit

限制; 限度
Meaning
a point or level beyond which something does not or may not extend or pass; the greatest amount allowed
Example
There is a speed limit on this road.
这条路上有速度限制。
C2 noun /ˌlɛksɪˈkɒɡrəfər/

lexicographer

词典编纂者
Meaning
A person who compiles, writes, or edits dictionaries.
Example
The lexicographer spent years compiling the dictionary.
词典编纂者花了几年时间编写词典。
C2 adjective /lʌɡˈʒʊəriənt/

luxuriant

繁茂的
Meaning
abundant in growth or richly abundant
Example
The luxuriant forest was teeming with life.
繁茂的森林充满了生命。
C2 noun /ˈlɪtəni/

litany

Meaning
a long, repetitive, or tedious account or list; originally a form of prayer
Example
The politician gave a litany of promises during the campaign.
C1 noun /ˈlɛktən/

lectern

讲台
Meaning
A tall stand with a sloping top used to support a book, notes, or script during a speech or lecture.
Example
The professor placed her notes on the lectern before starting her lecture.
教授在开始讲座之前，把笔记放在讲台上。
C2 adjective /lɪˈtɪdʒəs/

litigious

好诉讼的
Meaning
prone to engage in lawsuits or overly inclined to argue legally
Example
He is known as a litigious neighbor who often sues people.
他被认为是一个爱打官司的邻居，经常起诉别人。
C1 adjective /ˈlɪvɪd/

livid

愤怒的
Meaning
Extremely angry; furious.
Example
She was livid when she found out about the betrayal.
当她发现背叛时，她愤怒不已。
C2 noun /lænˈtɑː.nə/

Lantana

兰塔纳
Meaning
a tropical flowering plant with clusters of small colorful flowers
Example
The lantana flowers attract butterflies to the garden.
兰塔纳的花朵吸引蝴蝶到花园。
B2 noun /ˈlep.ərd/

Leopard

美洲豹
Meaning
a large wild cat with yellow fur and black spots
Example
The leopard climbed the tree to rest in the shade.
美洲豹爬上了树，在阴凉处休息。
C2 noun /ˈlɛvi/

levee

堤坝
Meaning
An embankment built to prevent the overflow of a river or to hold back water.
Example
The town built a levee to protect itself from flooding.
该市建造了一座堤坝，以防洪水。
A1 adjective, noun, adverb, verb (past tense of leave) /lɛft/

left

左
Meaning
on or towards the side of the body that is to the west when facing north
Example
He turned left at the intersection.
他在交叉口左转。
A2 noun /lɪp/

Lip

嘴唇
Meaning
either of the two soft parts that form the edge of the mouth
Example
She applied lipstick to her lips before the party.
她在派对前涂上了口红。
B2 adjective /ˈlɒŋ ˈstændɪŋ/

long-standing

长期的
Meaning
having existed or continued for a long period of time
Example
They have a long-standing relationship with their suppliers.
他们与供应商之间有着长期的合作关系。
B2 noun /ˈlɛtɪs/

lettuce

生菜
Meaning
a leafy green vegetable commonly used in salads and sandwiches
Example
She added fresh lettuce to the sandwich.
她在三明治里加了新鲜的生菜。
C1 adjective /ˈlɑːpˌsaɪdɪd/

lopsided

倾斜的，不平衡的
Meaning
with one side lower, larger, or different from the other; uneven or imbalanced
Example
The cake looked lopsided after being decorated in a hurry.
蛋糕看起来不平衡，因为急忙装饰。
C1 noun, verb /ˈliːvər/ or /ˈlɛvər/

lever

杠杆，刚性杆
Meaning
a rigid bar used to move or lift heavy objects; to move something using leverage.
Example
He used a lever to lift the heavy stone.
他使用了一个杠杆来举起重石。
C2 noun /ˈlɔːŋ.ɡən/

Longan

龙眼
Meaning
a small round tropical fruit with translucent white flesh and sweet taste, related to lychee
Example
Longan fruits are often eaten fresh or dried and are popular in Asian desserts.
龙眼果通常鲜食或晒干，在亚洲甜点中很受欢迎。
C2 adjective ˌlæb.əˈrɪn.θaɪn

labyrinthine

迷宫似的
Meaning
Like a labyrinth; complicated and confusing; having many interconnected paths or passages.
Example
The old city streets were labyrinthine.
老城区的街道像迷宫一样。
B2 noun /ˈlɪt.ər.ə.si/

Literacy

识字
Meaning
the ability to read and write; competence or knowledge in a specified area
Example
Adult literacy programs help people learn to read.
成人识字课程帮助人们学习阅读。
B2 adjective; verb (past and past participle) /lɜːrnd/

learned

博学的
Meaning
having acquired much knowledge through study; gained knowledge or skill through experience or teaching
Example
She is a learned scholar with deep knowledge of history.
她是一位对历史有深厚了解的博学学者。
A1 adjective /ˈlɪtl/

little

小的
Meaning
Small in size, amount, or degree.
Example
He drank a little water before going to bed.
他在上床前喝了一点水。
C1 noun /læps/

Lapse

暂时失误; 错误;
Meaning
a temporary failure of concentration, memory, or judgment; the termination of a right or privilege
Example
There was a brief lapse in security that allowed the intruder to enter the building.
安全中出现了短暂的失误，导致入侵者能够进入大楼。
B1 noun /ˈlaɪ.kɪŋ/

Liking

喜好; 爱好; 偏爱
Meaning
a feeling of regard or fondness; a preference or taste for something
Example
She has developed a liking for classical music.
她对古典音乐产生了喜好。
C1 adjective liːst prɪˈpeərd

least prepared

最不准备
Meaning
Having the minimum level of readiness or equipment to handle a situation.
Example
Bangladesh is among the least prepared for climate adaptation.
孟加拉国在气候适应方面是最不准备的国家之一。
B2 noun /læp/

Lap

膝上
Meaning
the flat area between the waist and knees of a seated person; one circuit of a track or course
Example
The cat curled up comfortably in her lap while she read her book.
猫舒适地蜷缩在她的膝上，读着她的书。
C1 adjective /loʊθ/

loath

不情愿
Meaning
reluctant or unwilling to do something
Example
She was loath to admit her mistake in front of everyone.
她不愿意在大家面前承认她的错误。
B1 adjective /ˈlʌv.ɪŋ/

Loving

慈爱的; 关怀的; 表现出爱与温暖
Meaning
affectionate; caring; showing love and warmth
Example
She is a loving mother who cares deeply for her children.
她是一个慈爱的母亲，深深地关心着她的孩子们。
A2 noun /ˈlev.əl/

level

水平
Meaning
A position on a real or imaginary scale of amount, quantity, extent, or quality.
Example
Pollution levels must be reduced urgently.
污染水平必须紧急降低。
C1 adjective /ˈlɛdʒəbl/

legible

可读的
Meaning
clear enough to read
Example
Her handwriting was barely legible.
她的手写字几乎不可读。
B1 noun /ˈlʌvər/

lover

情人
Meaning
a person who is in a romantic relationship or has strong affection for someone
Example
She met her lover at the café every evening.
她每天晚上都在咖啡馆与她的情人见面。
C2 noun /ˈlɪθəˌɡræf/

lithograph

石版画 (石头印刷)
Meaning
a print made by lithography, often artistic
Example
The museum displayed a rare lithograph from the 19th century.
博物馆展示了一幅19世纪的稀有石版画。
B1 noun /loʊn/

Loan

贷款
Meaning
a thing that is borrowed, especially a sum of money that is expected to be paid back with interest
Example
He took a loan to buy a new car.
他为了买新车而借了一笔贷款。
C1 adjective /lʌʃ/

lush

富饶，丰盈且奢华，尤其是指植物
Meaning
rich, abundant, and luxurious, especially referring to vegetation
Example
The valley was filled with lush green fields.
山谷里充满了绿油油的田野。
C2 phrase /lɛt ðɛm ˈθɪə.ri/

let them theory

让他们随心所欲的理论
Meaning
A philosophy of not trying to control others' actions or opinions and allowing them to be themselves.
Example
He follows the Let them theory and ignores negativity.
他遵循“让他们”理论，并忽视负面情绪。
C1 adjective /ˌlaɪtˈhɑːrtɪd/

light-hearted

轻松愉快的
Meaning
cheerful, carefree, and not serious
Example
She gave a light-hearted speech at the party.
她在派对上做了一个轻松愉快的演讲。
C1 verb /ˈlɪbəreɪt/

liberate

解放
Meaning
to set free from imprisonment, oppression, or restraint
Example
The army liberated the city from enemy control.
军队从敌人控制中解放了城市。
A1 pronoun/noun /lɒts/

lots

很多
Meaning
A large number or amount of something.
Example
She has lots of friends in the city.
她在城市里有很多朋友。
C1 verb, adjective, noun /lɪmp/

limp

跛行 / 虚弱
Meaning
to walk with difficulty, often due to injury or weakness; lacking strength or firmness.
Example
He limped after injuring his ankle.
他在伤到脚踝后跛行。
C1 verb /loʊð/

loathe

厌恶
Meaning
to feel intense dislike or disgust for
Example
He absolutely loathes being late to meetings.
他完全讨厌迟到会议。
B2 noun /ˈlɪz.ɚd/

Lizard

蜥蜴
Meaning
a cold-blooded reptile with a long body, four legs, and a tail
Example
A small lizard ran across the garden wall.
一只小蜥蜴跑过了花园的墙壁。
B1 noun /ˈlɔː.jər/

Lawyer

律师
Meaning
a person who practices or studies law; an attorney or a counselor
Example
She hired a lawyer to handle her case.
她雇佣了一位律师来处理她的案件。
C2 noun /lɒx/ or /lɒk/

lough

湖泊
Meaning
An Irish or Scottish word for a lake or sea inlet.
Example
The fishermen lived by the lough for generations.
渔民们世世代代住在湖泊旁边。
C1 noun /ˈlɪrɪk/

lyric

歌词
Meaning
the words of a song or a short poem that expresses personal feelings
Example
She memorized every lyric of her favorite song.
她记住了她最喜欢的歌曲的每一首歌词。
A1 verb /let/

let

允许
Meaning
to allow someone to do something; to give permission
Example
Please let me help you with that task.
请让我帮助你完成这项任务。
B2 noun /lɔːntʃ/

Launch

快艇
Meaning
a large motorboat or a boat used to transport people and goods
Example
We took a launch to cross the river.
我们乘坐快艇穿越了河流。
C2 noun /ˈlɪbərˌtiːn/

libertine

Meaning
A person who behaves without moral principles, especially in sexual matters.
Example
The novel depicted the reckless life of a libertine in 18th century France.
A2 adjective /ˈlʌv.li/

Lovely

美丽的；迷人的；愉快的；吸引人的
Meaning
beautiful; charming; delightful; attractive
Example
What a lovely day for a picnic!
什么美好的一天适合野餐！
C1 adjective /ˈlɔː.ləs/

Lawless

无律; 无政府主义; 混乱; 犯罪
Meaning
without law; anarchic; unruly; criminal
Example
The frontier town was known for its lawless behavior and chaos.
边境城市以其无律行为和混乱而闻名。
C1 adjective /ˈliː.θəl/

Lethal

致命的; 致死的;
Meaning
deadly; fatal; capable of causing death
Example
The snake's venom is lethal to humans if not treated immediately.
蛇的毒液对人类致命，如果不立即治疗。
C1 adjective /ˈloʊli/

lowly

谦逊
Meaning
humble in status, position, or manner
Example
She rose from a lowly position to become the company's CEO.
她从一个低位上升成为了公司的首席执行官。
B2 noun /ˈleɪbərər/

laborer

工人
Meaning
a person who does physical work, especially work that requires strength rather than skill
Example
The laborer worked long hours at the construction site.
这名工人在建筑工地长时间工作。
B2 noun; verb /ˈlaɪnʌp/

line-up

阵容；排成一列
Meaning
a group or arrangement of people or things in a line; to arrange people or things in a row or planned order
Example
The coach announced the team line-up before the match.
教练在比赛前宣布了球队阵容。
C2 noun /loʊm/

loam

富饶的壤土
Meaning
Fertile soil mixture of sand, clay, and organic matter.
Example
Loam soil is ideal for agriculture due to its nutrient content.
壤土是农业的理想选择，因为它含有丰富的营养成分。
C2 adjective /ˈlɪəri/

leery

怀疑的
Meaning
Cautious or wary due to suspicion or distrust.
Example
She was leery of investing in the new business.
她对投资新业务感到怀疑。
C2 noun (plural) /ˈlɪniəmənts/

lineaments

面部特征
Meaning
The features or distinctive characteristics of the face or body.
Example
The lineaments of his face were sharp and stern.
他的面部特征很尖锐且严肃。
B1 noun /ˈleɪ.bəl/

Label

标签
Meaning
a small piece of paper or material attached to something to identify or describe it
Example
Please read the label carefully before taking any medication.
请在服用任何药物之前仔细阅读标签。
C2 noun /ˌlæs.əˈreɪ.ʃən/

laceration

深切伤口
Meaning
a deep cut or tear in skin or flesh
Example
He needed stitches for a laceration on his leg.
他需要为腿部的深切伤口缝针。
C2 adjective /ˌlɪlɪˈpjuːʃən/

lilliputian

极小的
Meaning
Extremely small or tiny; trivial or petty.
Example
The model village was filled with lilliputian houses.
模范村庄里充满了极小的房屋。
C2 noun /ˈlɪnəmənt/

liniment

擦剂 / 洛神
Meaning
A liquid or lotion applied to the skin to relieve pain or stiffness.
Example
He rubbed liniment on his sore muscles after the workout.
他在训练后擦上了伤痛的肌肉上了擦剂。
B1 noun, verb /ˈlaɪsəns/

license

许可证 / 许可
Meaning
A legal permission to do something (noun); to grant such permission (verb).
Example
You must have a driving license to operate a car legally.
您必须拥有驾驶执照才能合法开车。
A2 adjective /loʊ/

low

低
Meaning
Small in amount, degree, or position; not high.
Example
The river is at its lowest level in years.
这条河已经多年处于最低水平。
C2 verb /leɪv/

lave

洗
Meaning
To wash or bathe.
Example
She laved her face with cool water.
她用冷水洗了脸。
C2 noun /lʌɡˈʒʊəriəns/

luxuriance

奢华
Meaning
abundant growth, richness, or elegance
Example
The garden was filled with the luxuriance of tropical plants.
花园里充满了热带植物的奢华。
C2 noun /lɔːˈdeɪʃən/

laudation

赞扬
Meaning
The act of praising or expressing approval.
Example
The poet received much laudation for his moving verses.
这位诗人因其感人的诗句而获得了许多赞扬。
B2 adjective ˈlɒdʒ.ɪ.kəl

logical

逻辑的
Meaning
Of or according to the rules of logic or formal argument.
Example
Logical circuits ensure effective computation.
逻辑电路确保有效计算。
C2 noun /ˈlɪtərdʒi/

liturgy

礼仪
Meaning
A form or formulary according to which public religious worship is conducted.
Example
The priest followed the liturgy during the Sunday mass.
牧师在周日弥撒中遵循了礼仪。
C1 noun ˌlɪt.ɪˈɡeɪ.ʃən

litigation

诉讼
Meaning
The process of taking legal action; a lawsuit.
Example
The litigation accused the regime of human rights abuses.
诉讼指控政权侵犯人权。
B2 noun /ˈledʒ.ənd/

Legend

传说; 神话
Meaning
a traditional story sometimes popularly regarded as historical but unauthenticated; an extremely famous or notorious person
Example
The legend of King Arthur has inspired many books.
亚瑟王的传奇激发了许多书籍。
B2 noun /ˈlaɪnˌʌp/

lineup

阵容
Meaning
a group of people or things arranged in a sequence
Example
The event featured a star-studded lineup of musicians.
这个活动展示了一个明星云集的阵容。
C1 noun/adjective /ˈlɛzbiən/

lesbian

女同性恋
Meaning
a woman who is romantically or sexually attracted to other women
Example
She is a proud lesbian and advocates for equal rights.
她是一个自豪的女同性恋，支持平等权利。
C1 noun /ˈlaɪtʃi/

Litchi

荔枝
Meaning
a small oval pink-red tropical fruit with white translucent flesh and sweet taste
Example
The litchi has a rough pink shell that you peel to eat the sweet white fruit inside.
荔枝有一层粗糙的粉红色外皮，你剥开它就可以吃到里面甜美的白色果实。
C2 noun /ˌluːkjʊˈbreɪʃən/

lucubration

夜间学习
Meaning
study or meditation, especially at night
Example
His novel was the result of long lucubration.
他的小说是长时间夜间学习的结果。
A1 noun /ˈles.ən/

Lesson

课
Meaning
a period of learning or teaching; an experience that teaches you something
Example
Today's math lesson was about fractions.
今天的数学课是关于分数的。
B2 adjective /ˈlɪb.ər.əl/

Liberal

自由的; 宽容的; 慷慨的; 思维进步的
Meaning
open-minded; tolerant; generous; progressive in thinking
Example
She has a liberal attitude towards different cultures and beliefs.
她对不同文化和信仰持有自由的态度。
A1 noun /laɪt/

Light

光
Meaning
the natural agent that stimulates sight and makes things visible; electromagnetic radiation of any wavelength
Example
Turn on the light, it's getting dark.
开灯吧，天黑了。
B2 adjective /lɪˈdʒɪt.ɪ.mət/

Legitimate

合法的; 有效的; 真实的; 合理的
Meaning
lawful; valid; genuine; reasonable
Example
He has a legitimate reason for being late.
他有正当的理由迟到。
C2 noun /ˈlev.ɪ.ti/

Levity

轻浮; 轻率; 缺乏尊重
Meaning
humor or frivolity, especially the treatment of a serious matter with humor or in a manner lacking due respect
Example
The levity in the courtroom was inappropriate.
法庭上的轻浮是不合适的。
C2 noun /luːˈsɪd.ə.ti/

lucidity

清晰
Meaning
Clarity of thought or style; the quality of being easily understood.
Example
His explanation had great lucidity, making it easy to understand.
他的解释非常清晰，使得理解变得容易。
B2 noun /ˈleɪ.zi.nəs/

Laziness

懒惰
Meaning
the quality of being unwilling to work or use energy; idleness
Example
His laziness prevented him from achieving his goals.
他的懒惰阻止了他实现目标。
C2 noun /ˈlɔːndrəs/

laundress

洗衣女工
Meaning
A woman whose job is washing clothes and linens.
Example
The laundress delivered the freshly cleaned clothes to the household.
洗衣女工将新洗净的衣物送到家里。
B1 adjective /luːs/

loose

松
Meaning
not firmly or tightly fixed in place
Example
The screw is loose and needs tightening.
螺丝松动，需要紧固。
C2 noun /laɪər/

lyre

竖琴
Meaning
a stringed musical instrument of ancient Greece
Example
The musician played a melody on the lyre.
音乐家在竖琴上演奏了一首旋律。
C2 noun /liːdʒ/

liege

领主
Meaning
A feudal lord entitled to allegiance and service; a loyal subject.
Example
The knight pledged loyalty to his liege.
骑士向他的领主宣誓效忠。
B2 adjective /liːn/

Lean

瘦; 脂肪少; 虚弱
Meaning
thin; having little fat; weak
Example
He has a lean and muscular body.
他有一个瘦而健壮的身体。
C1 noun /ˈloʊ.fər/

Loafer

懒人，避免工作或努力的人
Meaning
a person who avoids work or effort; an idler
Example
Don't be a loafer, help us with the work.
不要做洛费尔，帮我们做工作。
B1 noun /ˈlek.tʃər/

Lecture

讲座
Meaning
an educational talk to an audience, especially to students in a university or college
Example
The professor gave an interesting lecture on history.
教授做了一个有趣的历史讲座。
C1 adjective /ˈljʊərɪd/

lurid

令人震惊且生动的轰动性
Meaning
shocking or sensational in a vivid way, often involving crime or violence
Example
The newspaper published a lurid account of the crime.
报纸发布了一篇令人震惊的犯罪报道。
C1 noun /lɔnˈdʒɛvəti/

longevity

长寿
Meaning
Long life or long existence of something.
Example
Good habits contribute to health and longevity.
良好的习惯有助于健康和长寿。
C1 noun/adjective /ˈluː.nə.tɪk/

lunatic

疯子
Meaning
A person who is insane or acting in a foolish or reckless way; also used as an adjective meaning insane.
Example
The driver was driving like a lunatic on the highway.
司机在高速公路上像疯子一样开车。
A1 adjective /lɔːŋ/

Long

长
Meaning
having great length; extended in distance or time
Example
The long road stretched for miles ahead.
这条长路延伸了好几英里。
C1 noun /ˈleɪ.mən/

Layman

外行人; 没有专业知识的人
Meaning
a person without professional or specialized knowledge in a particular subject
Example
The doctor explained the procedure in layman's terms.
医生用通俗的语言解释了这个程序。
C1 noun /ˈlɛdʒɪsleɪtər/

legislator

立法者
Meaning
a person who makes laws, especially a member of a legislative body
Example
The legislator introduced a bill to improve healthcare.
立法者提出了一项改善医疗保健的法案。
B2 noun, verb /laʊndʒ/

lounge

休息室
Meaning
A public room for relaxing; or to sit, lie, or stand in a relaxed way.
Example
They lounged on the sofa after dinner.
他们在晚餐后懒洋洋地躺在沙发上。
C2 adjective /ˈluːpi/

loopy

疯癫
Meaning
crazy, silly, or eccentric
Example
After working all night, he felt a little loopy.
整夜工作后，他感觉有点疯癫。
B2 noun /lɪˈdʒɪtɪməsi/

legitimacy

合法性
Meaning
the quality of being accepted as right, proper, or lawful
Example
The legitimacy of the election was questioned by observers.
选举的合法性受到观察员的质疑。