Leaf
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A2 noun /liːf/

Leaf

叶子
Meaning
a flattened structure of a higher plant, typically green and blade-like, that is attached to a stem
Example
The autumn leaves are falling from the tree.
秋天的叶子从树上落下。
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。
B2 noun ˈlɪt.ər.ə.si ˌreɪts

literacy rates

识字率
Meaning
The percentage of people in a population who can read and write; measures of educational levels in a population.
Example
Literacy rates impact socioeconomic conditions.
识字率影响着社会经济状况。
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 /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 noun /lɪd/

Lid

盖子
Meaning
a removable or hinged cover for the top of a container
Example
Please put the lid back on the jar.
请把盖子重新放在瓶子上。
C2 noun /ləˈdʒɪʃən/

logician

逻辑学家
Meaning
A person skilled in logic and reasoning.
Example
Aristotle is considered one of the greatest logicians in history.
亚里士多德被认为是历史上最伟大的逻辑学家之一。
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 noun /lɪˈbiːdoʊ/

libido

性欲
Meaning
Sexual desire or drive.
Example
Stress can sometimes lower a person's libido.
压力有时会降低一个人的性欲。
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 /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。
C1 noun /ˈliːʒən/

lesion

损伤
Meaning
An area of damage or abnormal change in the tissue of an organism, often caused by injury or disease.
Example
The doctor examined the skin lesion carefully.
医生仔细检查了皮肤上的损伤。
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。
C1 noun /ˈlɪbərəlɪzəm/

liberalism

自由主义
Meaning
a political and social philosophy advocating individual freedoms, democracy, and equality
Example
Liberalism emphasizes freedom of speech and human rights.
自由主义强调言论自由和人权。
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。
C1 adjective /ˈluː.krə.tɪv/

lucrative

有利可图
Meaning
Producing a great deal of profit; highly profitable or financially rewarding.
Example
The real estate business is highly lucrative in urban areas.
房地产行业在城市地区非常有利可图。
C1 noun ˈlaɪv.li.hʊd

livelihood

生计
Meaning
A means of securing the necessities of life; a way of making a living.
Example
Fishing is the primary livelihood of coastal communities.
捕鱼是沿海社区的主要生计。
B2 noun /ˈlaɪ.nər/

liner

Meaning
A large ship used for transporting people or goods regularly, or a material used as a lining inside something.
Example
The luxury liner docked at the port yesterday.
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。
C2 verb /lɔːd/

laud

Meaning
To praise someone or something highly, especially in public.
Example
The critic lauded the actor's performance as a masterpiece.
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。
C1 noun /ˈleθ.ər.dʒi/

Lethargy

昏睡; 疲劳和不活跃
Meaning
a lack of energy and enthusiasm; tiredness and inactivity
Example
The hot weather caused a feeling of lethargy.
炎热的天气引发了昏睡的感觉。
B1 verb /lend/

lend

借出
Meaning
to give temporarily; to allow someone to use something
Example
Can you lend me your pen?
你能借给我你的钢笔吗？
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。
B2 noun /lɔːɡ/

Log

木头
Meaning
a piece of a dead or felled tree trunk or branch, especially one stripped of bark
Example
They sat on a log by the campfire.
他们坐在篝火旁的木头上。
C1 noun /ˌlaɪ.sənˈsiː/

Licensee

许可证持有者
Meaning
a person or organization that holds a license to do something
Example
The licensee is responsible for following all regulations.
许可证持有者负责遵守所有规定。
B2 verb lɔːntʃt

launched

发射
Meaning
Set (something) in motion by pushing it or letting it go.
Example
The satellite was launched successfully.
卫星已成功发射。
C1 adjective /ˈlɔː.fəl/

Lawful

合法; 合理; 有效; 公正;
Meaning
legal; legitimate; valid; just
Example
The judge confirmed that their actions were lawful and proper.
法官确认他们的行为是合法和恰当的。
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 /ˈlʊkaʊt/

lookout

瞭望, 哨位
Meaning
A place for watching; a person keeping watch.
Example
The guard kept a lookout for suspicious activity.
卫兵警惕地监视着可疑活动。
B1 noun /ˈlɪk.wɪd/

Liquid

液体
Meaning
a substance that flows freely but is of constant volume, having a consistency like that of water or oil
Example
Water is a liquid at room temperature.
水在常温下是液体。
C2 noun /ˌlɪk.wəˈfeɪ.ʃənt/

liquefacient

液化剂
Meaning
a substance that causes something to become liquid
Example
The chemist explained how the liquefacient worked in the experiment.
化学家解释了液化剂在实验中的作用。
C1 verb, noun /læɡ/

lag

滞后或延迟
Meaning
To fall behind in movement, progress, or development; a delay or period of falling behind.
Example
The old computer tends to lag when running new software.
旧电脑在运行新软件时常常滞后。
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。
B1 noun /lenz/

lens

镜头
Meaning
a curved piece of glass or plastic that makes things look clearer or larger when you look through it
Example
He cleaned the camera lens before taking the picture.
他在拍照前清洁了相机镜头。
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。
A1 adjective /lɑːrdʒ/

Large

大; 巨大的; 庞大的
Meaning
of considerable size, extent, or intensity; big
Example
The large building dominated the city skyline.
那座大楼主宰了城市的天际线。
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。
C2 noun /ˈlæsi/

lassie

小女孩
Meaning
a young girl (informal, mainly Scottish)
Example
The old man greeted the little lassie warmly.
老人热情地迎接了小女孩。
C2 verb ˈlev.ɪ.teɪ.tɪŋ

levitating

悬浮
Meaning
Rising and hovering in the air, especially as a result of supernatural or magical power.
Example
The levitating structure is an engineering marvel.
这座悬浮结构是一个工程奇迹。
C2 verb /ˈlɛvɪteɪt/

levitate

悬浮
Meaning
to rise or float in the air, usually without visible support.
Example
The magician made the table levitate during the show.
魔术师让桌子在表演中悬浮。
C2 adjective /ˈlɪsəm/

lissome

纤细、柔韧且优雅的动作
Meaning
Thin, supple, and graceful in movement.
Example
The dancer moved with a lissome elegance.
舞者以优雅的丽索姆动作移动。
C1 noun /ˈlʌstər/

luster

光泽
Meaning
a gentle sheen or soft glow, especially from a polished surface
Example
The diamond had a brilliant luster.
钻石有着耀眼的光泽。
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。
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。
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。
C2 noun /leɪð/

lathe

车床
Meaning
A machine for shaping wood, metal, or other material by rotating it against a cutting tool.
Example
The carpenter used a lathe to shape the wooden bowl.
木匠使用车床来塑形木碗。
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 adjective /ˈlɪtərəl/

littoral

沿海的
Meaning
Related to or situated on the shore of the sea or a lake.
Example
The littoral zone is home to many unique marine species.
沿海地区是许多独特海洋物种的栖息地。
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。
C2 noun /ˈlɪmərɪk/

limerick

一种幽默的五行诗
Meaning
a humorous five-line poem with a specific rhythm and rhyme scheme (AABBA).
Example
She recited a funny limerick at the party.
她在派对上背诵了一首有趣的利梅里克。
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 /lɪˈvaɪəθən/

leviathan

巨大海怪
Meaning
a huge sea monster or something very large and powerful.
Example
The ship looked like a leviathan on the horizon.
那艘船在地平线上看起来像一只巨大的海怪。
C1 noun /ˈlɛk.sɪ.kɒn/

lexicon

词汇
Meaning
The vocabulary of a person, language, or branch of knowledge; a collection of words and terms.
Example
A translator must have a vast lexicon of both languages.
翻译人员必须掌握两种语言的广泛词汇。
C2 adjective /ˈlɛtʃ.ər.əs/

lecherous

好色
Meaning
having or showing excessive or offensive sexual desire
Example
The character was portrayed as a lecherous old man.
这个角色被描绘成一个好色的老男人。
C2 adjective /ˈlɔːdəˌtɔːri/

laudatory

赞扬的
Meaning
Expressing praise or admiration.
Example
She wrote a laudatory review of the new book.
她写了本书的赞扬评论。
C2 adjective /luːˈɡuːbriəs/

lugubrious

阴沉的
Meaning
looking or sounding sad and dismal
Example
His lugubrious expression made everyone feel uneasy.
他那阴沉的表情让大家感到不安。
C1 noun ˌlɪb.ərˈeɪ.ʃən

liberation

解放
Meaning
The action of setting someone free from imprisonment, slavery, or oppression; release.
Example
Liberation movements inspired many countries.
解放运动激励了许多国家。
B2 noun /luːp/

Loop

圈，环
Meaning
a shape produced by a curve that bends around and crosses itself
Example
The string formed a neat loop around the package.
绳子在包裹周围形成了一个整齐的环。
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.
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。
C1 noun /lɪˈkjʊər/

liqueur

甜酒
Meaning
A strong, sweet alcoholic drink flavored with fruits, herbs, or spices.
Example
She served a small glass of cherry liqueur after dinner.
她在晚餐后提供了一小杯樱桃利口酒。
B2 noun /leɪs/

Lace

花边
Meaning
a delicate fabric made of yarn or thread in an open weblike pattern; a cord or string for fastening
Example
She wore a beautiful dress decorated with intricate lace patterns.
她穿着一件精美的衣服，装饰着复杂的花边图案。
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。
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。
C1 noun /lɪˈɡæl.ə.ti/

Legality

合法性
Meaning
the quality or state of being legal; accordance with the law
Example
The lawyer questioned the legality of the contract.
律师质疑合同的合法性。
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。
A1 adverb /ˈleɪtər/

later

稍后
Meaning
At a time subsequent to a reference time; afterwards.
Example
We will discuss the details later.
我们稍后讨论细节。
B2 adjective /ˈlʌvəbl̩/

loveable

幸福
Meaning
easy to love; endearing or charming
Example
The puppy was so loveable that everyone wanted to hold it.
当她收到奖项时，她无法掩饰自己的幸福。
C2 adjective /ˈlʌstrəs/

lustrous

光泽
Meaning
having a gentle sheen or soft glow
Example
Her hair looked smooth and lustrous.
她的头发看起来光滑而光泽。
C1 verb /lʊər/

lure

诱惑
Meaning
to attract or tempt someone, often by offering something appealing
Example
The advertisement lured customers with promises of discounts.
广告通过承诺折扣诱使顾客。
C2 noun /ˌlaɪ.pəˈdʒen.ɪ.sɪs/

lipogenesis

脂肪生成
Meaning
The metabolic process of fat synthesis where excess carbohydrates are converted into fatty acids and stored as triglycerides.
Example
Excess carbohydrate intake promotes lipogenesis and fat storage.
过多的碳水化合物摄入促进了脂肪生成和脂肪储存。
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。
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。
B2 noun ˈlɛɡ.ə.si

legacy

遗产
Meaning
An amount of money or property left to someone in a will; something left or handed down by a predecessor.
Example
His contributions left a lasting legacy in the industry.
他的贡献在行业中留下了持久的遗产。
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。
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 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。
B2 noun ˈlɛvərɪdʒ

leverage

杠杆作用
Meaning
The use of borrowed capital or resources to increase the potential return of an investment; using something to maximum advantage.
Example
Leverage amplifies your efforts and scales your work.
杠杆作用放大了你的努力，提升了你的工作规模。
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 adjective /ˈliːənaɪn/

leonine

像狮子一样的
Meaning
Of or resembling a lion.
Example
His leonine hair made him stand out in the crowd.
他那像狮子一样的头发让他在人群中显得与众不同。
C2 noun /ˈlʊŋ.gi/

Lungi

伦吉
Meaning
a traditional garment worn around the waist in South Asia
Example
He wore a comfortable lungi while relaxing at home.
他在家里休息时穿着一条舒适的伦吉。
C1 noun /ˈleɪ.tən.si/

latency

延迟
Meaning
The delay in processing signals or data.
Example
High latency in online gaming can cause lagging issues.
在线游戏中的高延迟可能导致卡顿问题。
A1 verb /lɜːrn/

learn

学习
Meaning
to acquire knowledge or skills; to gain understanding
Example
Children learn quickly when they are interested.
孩子们在感兴趣时很快学习。
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。
C2 adjective /ˈlæk.ti.əl/

lacteal

与牛奶相关或类似牛奶的
Meaning
Relating to or resembling milk; conveying chyle or milky fluid.
Example
The lacteal vessels in the small intestine absorb dietary fats.
小肠中的乳汁管吸收膳食脂肪。
C2 noun /ˈlaɪər/

lier

说谎者
Meaning
a person who tells lies; an alternative spelling of liar
Example
No one trusted him because he was known as a habitual lier.
因为他是个惯常的说谎者，所以没人信任他。
A2 verb /laɪ/

lie

撒谎, 躺着
Meaning
to be in a horizontal position; to tell an untruth
Example
The book lies on the table.
书放在桌子上。
B2 noun /ˈluː.nər ɪˈklɪps/

Lunar eclipse

月全食
Meaning
an eclipse in which the moon appears darkened as it passes into the earth's shadow
Example
We watched the lunar eclipse from our backyard.
我们从后院观看了月全食。
C2 verb /læmˈpuːn/

lampoon

讽刺
Meaning
to publicly criticize or ridicule someone or something with humor, irony, or sarcasm
Example
The cartoonist lampooned the politician for his contradictory statements.
漫画家因政治家的矛盾言论而讽刺他。
C2 noun /ˈluː.mən/

lumen

流明
Meaning
A unit of luminous flux, measuring the amount of visible light emitted by a source.
Example
The bulb produces 800 lumens of light.
灯泡产生800流明的光。
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。
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。
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。
C2 noun /ˈlɑːrdər/

larder

储藏室
Meaning
A place, such as a pantry, where food is stored.
Example
The larder was full of fresh bread and cheese.
储藏室里满是新鲜的面包和奶酪。
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。
C2 adjective /ləˈsɪviəs/

lascivious

淫荡
Meaning
showing an overt and often offensive sexual desire
Example
The lascivious remarks made everyone uncomfortable.
那些淫荡的评论让每个人都感到不舒服。
C1 noun /lɒft/

loft

阁楼
Meaning
An upper room or space, often under the roof of a building.
Example
She converted the old loft into a modern studio.
她把旧阁楼改造成了一个现代化的工作室。
C1 noun /lɪŋˈɡwɪstɪks/

linguistics

语言学
Meaning
The scientific study of language and its structure.
Example
She decided to major in linguistics at university.
她决定在大学里攻读语言学。
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 lɑːˈʒɛs

largesse

慷慨
Meaning
Generosity in bestowing money or gifts upon others.
Example
His largesse towards the charity was greatly appreciated.
他对慈善事业的慷慨得到了高度赞赏。
C1 noun /læns/

Lance

长矛
Meaning
a long weapon with a sharp metal point, used by soldiers on horseback
Example
The knight charged forward with his lance ready.
骑士带着准备好的长矛向前冲。
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。
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。
B2 adverb /ˈleɪ.zɪ.li/

Lazily

懒洋洋地
Meaning
in a way that shows unwillingness to work or use energy; sluggishly
Example
He lazily stretched his arms and yawned in the morning.
他懒洋洋地伸展双臂，早晨打了个哈欠。
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, adjective /ˈlæksətɪv/

laxative

泻药
Meaning
A medicine or substance that stimulates bowel movements; tending to loosen or relieve constipation.
Example
The doctor prescribed a mild laxative for her condition.
医生为她的病情开了轻度泻药。
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 /ləˈɡuːn/

lagoon

湖泊
Meaning
A shallow body of water separated from the sea by sandbars or reefs.
Example
We swam in the calm waters of the lagoon.
我们在湖泊的平静水域游泳。
B1 adjective ˈlɔːŋ.tɜːrm

long-term

长期的, 可持续的, 永久的
Meaning
Occurring over or involving a relatively long period of time.
Example
Long-term planning is necessary for environmental conservation.
长期规划对环境保护至关重要。
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。
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。
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 noun /ˈlɪn.ən/

linen

麻布织物
Meaning
A strong cloth made from the fibers of the flax plant, or items made from this cloth such as sheets or clothing.
Example
She bought new linen curtains for the living room.
她为客厅买了新的麻布窗帘。
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。
B2 adjective /ˈlɔɪ.əl/

Loyal

忠诚的; 忠实的; 可信的
Meaning
faithful; devoted; trustworthy
Example
He remained loyal to his friends through difficult times.
他在困难时期对朋友保持忠诚。
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。
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。
B1 noun /læd/

lad

小伙子
Meaning
a boy or young man; a male youth
Example
The young lad helped his father in the shop.
这个年轻小伙子在商店里帮助了他的父亲。
C2 noun /lɔːŋ ɡɔːrd/

Long gourd

长南瓜
Meaning
an elongated green vegetable belonging to the cucumber family, used in cooking
Example
She sliced the long gourd thinly for the stir-fry dish.
她将长南瓜切成薄片，用于炒菜。
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。