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A2 adjective/adverb /laʊd/

loud

响亮
Meaning
Producing or capable of producing much noise.
Example
The music was too loud to concentrate.
音乐太响了,无法集中注意力。
B1 adjective /ˌlɛftˈhændɪd/

left-handed

左撇子
Meaning
Using or done with the left hand; also can mean clumsy or awkward.
Example
She is left-handed and writes beautifully with her left hand.
她是左撇子,左手写字非常漂亮。
B1 noun /ˈleɪ.bər/

Labour

体力或脑力劳动
Meaning
work involving physical or mental effort; workers as a group
Example
The construction required months of hard labour to complete.
这项建设工程需要数月的辛勤劳动才能完成。
B1 noun /ˈlaɪf.staɪl/

lifestyle

生活方式
Meaning
The way in which a person or group lives, including habits, attitudes, and possessions.
Example
A healthy lifestyle includes regular exercise and a balanced diet.
健康的生活方式包括定期锻炼和均衡饮食。
A1 verb /laɪk/

like

喜欢
Meaning
to enjoy or find something pleasant; to have a preference for
Example
I like reading books in my free time.
我喜欢在空闲时间读书。
C2 verb /lʌɡˈʒʊrieɪt/

luxuriate

沉溺于奢华
Meaning
to enjoy something in a self-indulgent way; to take pleasure in great comfort
Example
She luxuriated in the warm bubble bath after a long day.
她在一个漫长的日子后沉浸在温暖的气泡浴中。
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。
B2 noun /ˈlɒtəri/

lottery

彩票
Meaning
A means of raising money by selling numbered tickets and giving prizes to the holders of numbers drawn at random.
Example
He won a car in the national lottery.
他在全国彩票中赢得了一辆车。
B2 adjective /ˈluː.nər/

Lunar

月球的
Meaning
relating to the moon; of or concerning the moon
Example
The lunar eclipse was visible last night.
月食昨晚可见。
B2 adjective /ˈlækɪŋ/

lacking

缺乏
Meaning
not having enough of something; missing
Example
His report was lacking in detail.
他的报告缺少细节。
C1 adjective ˈluː.sɪd

lucid

清晰且易于理解
Meaning
Clear and easily understandable thoughts or explanations.
Example
His explanation was so lucid that everyone understood it.
他的解释如此清晰,以至于每个人都理解了。
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。
B2 adjective /ˈlaɪ.ə.bəl/

Liable

负责的; 有义务的;
Meaning
legally responsible; accountable; obligated
Example
The company is liable for any damages caused by their defective products.
公司对因其有缺陷的产品造成的任何损害负责。
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。
C1 noun /luːm/

Loom

织布机
Meaning
a machine for weaving cloth; to appear threatening or menacing
Example
The weaver worked at the loom to create beautiful fabrics.
织工在织布机上工作,创造美丽的面料。
A2 adjective /loʊ/

low

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。
C1 noun /luː/

lieu

代替
Meaning
Instead of; in place of.
Example
He gave money in lieu of flowers.
他给了钱代替花。
B1 noun /ˈleʒ.ər/

Leisure

闲暇; 休闲
Meaning
time when one is not working or occupied; free time used for enjoyment
Example
She enjoys reading books in her leisure time.
她喜欢在闲暇时间阅读书籍。
C1 adjective /ˌloʊ ˈspɪrɪtɪd/

low-spirited

沮丧
Meaning
feeling sad, depressed, or lacking enthusiasm
Example
He felt low-spirited after hearing the bad news.
他在听到坏消息后感到沮丧。
B2 adjective /leɪm/

Lame

跛; 残疾
Meaning
unable to walk normally because of an injury or illness affecting the leg or foot; weak and unconvincing
Example
The injured horse was lame and couldn't walk properly.
受伤的马跛行,不能正常行走。
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。
B2 adjective /ˈlɛdʒɪslətɪv/

legislative

立法的
Meaning
relating to the making of laws
Example
The legislative body passed the new tax bill.
立法机构通过了新的税法。
C1 noun /ˈlɪɡ.əmənt/

ligament

韧带组织
Meaning
A tough band of tissue that connects bones at a joint.
Example
He tore a ligament in his knee while playing football.
他在踢足球时撕裂了膝盖的韧带。
A2 noun /ˈlɜrnɪŋ/

learning

学习
Meaning
The process of gaining knowledge or skills through study or experience.
Example
Learning a new language can be exciting.
学习一门新语言可能是令人兴奋的。
B2 noun/verb /ˈlɪtər/

litter

垃圾
Meaning
rubbish or waste left lying in a public place; to make a place untidy by leaving rubbish
Example
The park was full of litter after the festival.
节日过后,公园里满是垃圾。
B2 noun /ˈlaɪv.stɒk/

livestock

家畜
Meaning
farm animals such as cattle, sheep, and pigs that are kept for use or profit
Example
The farmer raised livestock to supply meat and milk for the market.
农民饲养家畜,以供应市场的肉类和牛奶。
C1 noun /ˈlɛɡɪŋ/

legging

紧身裤
Meaning
tight-fitting stretch pants, typically worn by women for exercise or casual wear
Example
She bought a new pair of black leggings for the gym.
她为健身房买了一条新的黑色紧身裤。
A2 noun /lʌk/

Luck

运气
Meaning
success or failure apparently brought by chance rather than through one's own actions
Example
She had good luck with her job interview.
她在面试中有好运气。
B1 noun /lɔk/

Lock

Meaning
a mechanism for keeping a door, lid, etc., fastened, typically operated only by a key of a particular form
Example
Make sure you lock the door before leaving.
确保在离开前锁好门。
C2 adjective /ˈloʊð.səm/

Loathsome

令人厌恶的
Meaning
causing hatred or disgust; repulsive
Example
The loathsome smell from the garbage made everyone leave the room.
垃圾散发出的令人厌恶的气味让每个人离开了房间。
A2 verb /liːd/

lead

领导
Meaning
To guide or be in charge; to show the way.
Example
He led the team to victory.
他带领团队走向胜利。
B2 adjective /ˈles.ər/

Lesser

较小
Meaning
smaller in amount; of lower importance; inferior
Example
He chose the lesser of two evils when making his decision.
他在做决定时选择了较小的恶。
B2 noun /ˈlænd.ɪŋ/

Landing

着陆
Meaning
the action of coming to rest on the ground or another surface; a level area at the top of a staircase
Example
The pilot made a smooth landing despite the stormy weather conditions.
飞行员尽管遇到风暴天气条件,但顺利着陆。
C1 noun /ˈliːweɪ/

leeway

回旋余地
Meaning
Freedom to act within certain limits; extra space or time.
Example
The manager gave the team some leeway to finish the project.
经理给了团队一些回旋余地来完成项目。
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。
C2 noun /ˈlænjæp/

lagniappe

额外礼物
Meaning
A small gift or bonus given by a seller to a customer.
Example
The shopkeeper offered a piece of candy as a lagniappe.
店主作为额外礼物提供了一颗糖果。
C1 noun /ˈlaɪk.nəs/

Likeness

相似; 类似
Meaning
the fact or quality of being alike; resemblance; a portrait or representation
Example
The portrait shows a strong likeness to her grandmother.
这幅肖像与她的祖母有很强的相似之处。
A2 noun /ˈləʊɡəʊ/

logo

Meaning
a symbol or other small design adopted by an organization to identify its products, uniform, vehicles, etc.
Example
The company's logo was redesigned to reflect its new image.
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 /ləˈbɔːr.i.əs/

laborious

费力的
Meaning
requiring considerable effort and time; difficult and hard-working
Example
Writing the long report was a laborious task.
写长报告是一项费力的任务。
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。
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 /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 verb /læf/

laugh

Meaning
to make sounds and movements expressing happiness or amusement
Example
The joke made everyone laugh.
这个笑话让每个人都笑了。
A2 noun /lɒs/

loss

损失
Meaning
The state of no longer having something or someone; the harm resulting from losing.
Example
The company suffered a huge financial loss last year.
公司去年遭受了巨大的财务损失。
C2 noun /ˈluː.nə.si/

lunacy

疯狂
Meaning
Extreme foolishness or madness; insanity.
Example
It was sheer lunacy to go hiking in the storm.
在暴风雨中去远足简直是疯狂。
C1 verb /ˈluːbrɪkeɪt/

lubricate

润滑
Meaning
to apply oil or grease to reduce friction between surfaces
Example
The mechanic lubricated the car engine parts.
机械师为汽车发动机部件上了润滑油。
C2 /laɪð/

lithe

灵活且优雅
Meaning
thin, supple, and graceful in movement
Example
The lithe dancer captivated the audience with her graceful spins.
灵活的舞者用她优雅的旋转迷住了观众。
C1 adjective /ˈlætərəl/

lateral

侧面
Meaning
Relating to the side or sideways movement.
Example
The football player made a quick lateral pass.
足球运动员做了一个快速的侧面传球。
B2 noun ˈlæbrətɔːriz

laboratories

实验室
Meaning
A room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals.
Example
Advanced laboratories enabled groundbreaking discoveries.
先进的实验室促进了突破性的发现。
A1 noun /lɒt/

lot

许多
Meaning
A large number or amount; a group or portion.
Example
She bought a lot of books at the fair.
她在集市上买了很多书。
A2 noun /lɔː/

Law

法律
Meaning
a rule or system of rules recognized by a country or community as regulating the actions of its members
Example
Everyone must obey the law.
每个人都必须遵守法律。
C1 noun /læʃ/

Lash

睫毛; 鞭打
Meaning
an eyelash; a sharp blow with a whip or rope; to strike forcefully
Example
She carefully applied mascara to make her lashes look longer and darker.
她小心地涂抹睫毛膏,使她的睫毛看起来更长更黑。
B2 adjective /ˈlɛŋθi/

lengthy

漫长
Meaning
long in duration or extent
Example
The meeting was lengthy, lasting over three hours.
会议很长,持续了三个小时以上。
A2 noun /leɪk/

Lake

湖泊
Meaning
a large body of water completely surrounded by land
Example
The peaceful lake reflected the mountains in its calm waters.
宁静的湖泊在平静的水中倒映着山脉。
C1 noun /ˈlɪŋɡwɪst/

linguist

语言学家
Meaning
A person skilled in foreign languages or in the scientific study of language.
Example
She is a linguist who speaks six languages fluently.
她是一位能流利讲六种语言的语言学家。
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 lɪŋˈɡwɪs.tɪk

linguistic

语言学的
Meaning
Related to language or linguistics; concerning the scientific study of language.
Example
The AI model learns from linguistic patterns.
这个AI模型从语言学模式中学习。
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 noun /laʊt/

lout

粗人
Meaning
An uncouth or aggressive man or boy.
Example
The drunken lout caused a scene at the party.
那个醉酒的粗人把派对弄得一团糟。
B2 adjective /ˈlaɪf.lɒŋ/

lifelong

终生
Meaning
Lasting or existing for the whole of a person's life.
Example
They remained lifelong friends.
他们是终生的朋友。
B2 noun /ˈlæv.ən.dər/

Lavender

薰衣草
Meaning
a fragrant purple flowering plant used in perfumes and aromatherapy
Example
The lavender field filled the air with its sweet, calming fragrance.
薰衣草田充满了甜美而宁静的香气。
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。
A2 phrasal verb /lʊk ˈɑːftər/

look after

照顾
Meaning
to take care of someone or something; to be responsible for someone’s well-being
Example
She looks after her younger brother while their parents are at work.
父母上班时,她照顾弟弟。
C1 noun /ˈliːvˌteɪ.kɪŋ/

leave-taking

告别
Meaning
an act of saying goodbye; farewell
Example
His leave-taking from his friends was emotional.
他向朋友的告别是感人的。
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 /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。
B2 noun /ˈliːf.lət/

Leaflet

传单; 宣传单
Meaning
a printed sheet of paper containing information or advertising and usually distributed free
Example
She handed out leaflets about the environmental campaign.
她分发了有关环保运动的传单。
C1 verb, noun /lɜːrtʃ/

lurch

Meaning
to make an abrupt, unsteady, or uncontrolled movement; a sudden movement or stagger
Example
The bus lurched forward as the driver hit the brakes.
A1 noun /lɛɡ/

leg

Meaning
one of the limbs on which a person or animal walks and stands
Example
He injured his leg while playing football.
他在踢足球时伤到了腿。
B2 adjective /ˈliː.fi/

Leafy

多叶的; 被叶子覆盖的
Meaning
having many leaves; covered with leaves
Example
The leafy green vegetables are very nutritious.
叶绿的蔬菜非常有营养。
B2 noun ˈlɪv.ɪŋ ˈstæn.dədz

living standards

生活水平
Meaning
The degree of wealth and material comfort available to a person or community; quality of life.
Example
High living standards improve satisfaction.
高生活水平提高了满意度。
B1 noun /lɔːn/

Lawn

草坪
Meaning
an area of short, regularly mown grass in the grounds of a house or in a park
Example
She waters the lawn every morning.
她每天早上浇水给草坪。
B1 noun /ˈloʊnlinəs/

Loneliness

孤独
Meaning
The state of being alone and feeling sad about it.
Example
She felt a deep sense of loneliness after moving to the new city.
她搬到新城市后感到深深的孤独。
B1 adjective /luːs/

loose

Meaning
not firmly or tightly fixed in place
Example
The screw is loose and needs tightening.
螺丝松动,需要紧固。
B2 adjective /ˈlɛdʒəndɛri/

legendary

Meaning
remarkable enough to be famous; often used to describe something that is iconic or widely known
Example
The legendary musician performed in front of a packed stadium.
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。
A2 noun/adjective /ˈlɪvɪŋ/

living

生活 / 生计
Meaning
the state of being alive; or a way of earning money
Example
He makes his living as a teacher.
他以教师的身份谋生。
C2 noun /luːˈbrɪsɪti/

lubricity

滑润性
Meaning
the quality of being slippery or smooth; sometimes also refers to lewdness
Example
The lubricity of the surface made it difficult to walk on.
表面的滑润性使得行走变得困难。
A1 adjective /lɔːŋ/

Long

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 verb /ˈlɔːndər/

launder

洗衣服 / 隐瞒非法获得的钱的来源
Meaning
to wash clothes, linens, etc.; or to conceal the origins of money obtained illegally
Example
She laundered all the dirty clothes on Sunday.
她在星期天洗了所有脏衣服。
B2 adjective /lɑːrdʒ skeɪl/

large-scale

大规模
Meaning
involving a large number or quantity, or covering a large area
Example
The company is planning a large-scale expansion into international markets.
该公司计划在国际市场进行大规模扩张。
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。
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。
C2 adjective /ˈlɪmpɪd/

limpid

清澈
Meaning
Clear and transparent, easily understood.
Example
The limpid water of the lake reflected the sky perfectly.
湖水清澈地反射了天空。
B1 noun/verb /ˈleɪ.bər/

labor

劳动
Meaning
work, especially hard physical work; to work hard
Example
The workers labored in the hot sun all day.
工人们整天在炎热的阳光下工作。
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。
B1 noun ˈliː.də.ʃɪp

leadership

领导力
Meaning
The action of leading a group of people or an organization.
Example
Leadership is crucial for institutional success.
领导力对于机构成功至关重要。
C1 noun /ˈleɪˌpɜːrsən/

layperson

外行人
Meaning
A person who is not a member of the clergy or does not have specialized knowledge in a subject.
Example
The judge explained the law so that the layperson could understand.
法官解释了法律,使外行人也能理解。
C1 adjective /ˈliːf.ləs/

Leafless

无叶的; 光秃的
Meaning
without leaves; bare
Example
The leafless trees looked bare in winter.
冬天无叶的树看起来光秃秃的。
B2 noun /ˈlen.tɪl/

Lentil

小扁豆
Meaning
a high-protein pulse which is dried and then soaked and cooked prior to eating
Example
She cooked red lentils for dinner tonight.
她今晚做了红扁豆作为晚餐。
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。
B2 noun /loʊf/

Loaf

面包
Meaning
a shaped mass of bread baked as a unit
Example
She bought a fresh loaf of bread from the bakery.
她从面包店买了一个新鲜的面包。
C1 adjective ləˈθɑːrdʒɪk

lethargic

昏睡
Meaning
Being inactive due to lack of physical or mental energy
Example
After a heavy meal, he felt lethargic and sleepy.
吃了丰盛的晚餐后,他感到昏睡和困倦。
B2 adjective /ˈlɔːŋtaɪm/

longtime

长期的
Meaning
having existed or continued for a long time
Example
They are longtime friends who met in college.
他们是大学时认识的长期朋友。
B2 noun /ˈlɪb.ər.ti/

Liberty

自由
Meaning
the state of being free within society from oppressive restrictions imposed by authority on one's way of life, behavior, or political views
Example
The Statue of Liberty represents freedom and democracy.
自由女神像象征着自由和民主。
C2 noun /ˈlæn.sɪt/

lancet

外科小刀
Meaning
a small, sharp, two-edged surgical knife used for making small incisions
Example
The doctor used a lancet to prick the patient’s finger for a blood test.
医生用兰塞特刺破病人的手指进行血液检测。
B1 noun /leɪn/

lane

小路
Meaning
a narrow road or path, often in the countryside or for specific traffic
Example
They walked down a quiet country lane.
他们走在一条安静的乡间小路上。
C1 adjective /ˈlɔː.də.bəl/

laudable

值得称赞的
Meaning
Deserving praise and admiration.
Example
Her efforts to help the poor are truly laudable.
她帮助穷人的努力真是值得称赞的。
C1 noun /ˈlæb.ə.rɪnθ/

labyrinth

迷宫, 复杂的路径网络
Meaning
A complicated network of paths or passages; an intricate and confusing arrangement.
Example
The city's streets were like a labyrinth.
城市的街道像迷宫一样。
C2 adjective /laɪˈsɛnʃəs/

licentious

放荡不羁
Meaning
Lacking moral restraint; disregarding accepted rules of conduct.
Example
The novel was criticized for its licentious themes.
这部小说因其放荡不羁的主题而受到批评。
C2 noun/verb /ˈlɛv.ən/

leaven

酵母
Meaning
a substance, typically yeast, that causes dough to rise; to permeate and modify
Example
A little yeast will leaven the bread dough.
一点酵母会让面团发酵。
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。
C1 adjective /ˈlaɪf.laɪk/

lifelike

栩栩如生
Meaning
Very similar to a real person, object, or scene; realistic.
Example
The wax figure was so lifelike that people thought it was a real person.
这尊蜡像如此栩栩如生,以至于人们以为它是一个真人。
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 /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。
C1 noun /ˈlaɪm.stoʊn/

Lime stone

石灰岩
Meaning
a hard sedimentary rock, composed mainly of calcium carbonate or dolomite, used as building material and in the making of cement
Example
The ancient building was made of limestone blocks.
这座古老的建筑是用石灰岩块建造的
C1 noun ˈledʒ.ɪ.slə.tʃər

legislature

立法机关
Meaning
The legislative body of a country or state; the branch of government that makes laws.
Example
The legislature drafts laws for governance.
立法机关起草治理的法律。
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 /ˈlɛktʃərər/

lecturer

讲师
Meaning
a person who gives lectures, especially at a college or university
Example
The lecturer explained the theory with clear examples.
讲师用清楚的例子解释了理论。
C2 adjective /ˈluː.ni/

Loony

疯狂的; 傻的; 精神不稳定
Meaning
crazy; silly; mentally unstable
Example
His loony behavior made everyone laugh.
他的疯狂行为让每个人都笑了。
C1 noun lɪˈkwɪd.ə.ti

liquidity

流动性
Meaning
The availability of liquid assets to a market or company; the ability to convert assets into cash quickly.
Example
Maintaining liquidity is crucial for financial stability.
维持流动性对财务稳定至关重要。
A2 adjective /ˈleɪtɪst/

latest

最新的
Meaning
most recent in time; newest available
Example
She shared the latest updates with the team.
她与团队分享了最新的更新。
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。
B2 noun /ˈliːtər/

litre

Meaning
a metric unit of volume equal to 1,000 cubic centimeters; commonly used to measure liquids
Example
She bought a litre of milk from the shop.
她从商店买了一升牛奶。
C2 adjective /ˈliːwərd/

leeward

背风面
Meaning
On or toward the sheltered side away from the wind.
Example
They built their camp on the leeward side of the hill.
他们在山丘的背风面搭建了营地。
C1 noun /ˌluː.mɪˈnɒs.ɪ.ti/

luminosity

光度
Meaning
The intrinsic brightness of a celestial object; the quality of emitting light.
Example
The luminosity of the star was measured with advanced instruments.
星星的光度通过先进的仪器进行了测量。
C2 noun /ˈlændˌhoʊl.dər/

landholder

土地所有者
Meaning
a person who owns land, especially in large amounts
Example
The landholder leased part of his property to local farmers.
土地所有者将部分财产租给了当地的农民。
C2 adjective /læŋk/

lank

高而瘦
Meaning
Tall, thin, and often awkward in appearance.
Example
The lank teenager towered over his classmates.
那个高而瘦的少年比他的同班同学高。
B1 adjective /ˈliː.dɪŋ/

Leading

领先的; 主要的; 最重要的
Meaning
foremost; principal; most important; guiding
Example
She is a leading expert in environmental science.
她是环境科学领域的领先专家。
C2 adjective /ˈlɪɡ.ni.əs/

ligneous

木质的
Meaning
having the texture or appearance of wood; woody
Example
The ligneous stem supported the heavy flowers.
木质的茎支撑着沉重的花朵。