littoral
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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 adjective /ˈlʌki/

lucky

幸运的
Meaning
having good fortune or favorable circumstances
Example
She felt lucky to have such supportive friends.
她觉得自己很幸运，拥有如此支持她的朋友。
C2 noun /ˈlɑːrsəni/

larceny

盗窃
Meaning
The unlawful taking of personal property with intent to deprive the rightful owner of it.
Example
He was arrested for committing larceny at the store.
他因在商店犯盗窃罪被逮捕。
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。
C2 noun /ˈlɪtɪɡənt/

litigant

诉讼人
Meaning
a person involved in a lawsuit
Example
The court summoned both litigants for the hearing.
法院召集了两名诉讼人参加听证会。
A1 noun /lɛɡ/

leg

腿
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。
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 /ˈliː.vɪŋz/

Leavings

剩余物; 残留物
Meaning
things that have been left behind or remain; remnants or scraps
Example
The leavings from dinner were given to the dog.
晚餐的剩余物被给了狗。
C1 noun /ˈlaɪbəl/

libel

诽谤
Meaning
a published false statement that damages a person's reputation
Example
The newspaper was sued for libel after publishing false claims.
报纸因发布虚假声明而被起诉诽谤。
B1 adverb /ˈlɪtərəli/

literally

字面上
Meaning
in a literal manner or sense; exactly
Example
He was literally running for three hours without stopping.
他字面上跑了三个小时没有停下来。
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。
B2 noun/adjective /ˈlætɪn/

latin

拉丁语
Meaning
the language of ancient Rome; relating to Latin culture or language
Example
Many English words are derived from Latin.
许多英语单词源自拉丁语。
C1 noun /ˌloʊkəˈmoʊʃən/

locomotion

运动
Meaning
movement or the ability to move from one place to another
Example
Walking is the most common form of human locomotion.
走路是人类最常见的运动方式。
C1 adjective /ˈlækˌlʌstər/

lackluster

黯淡无光
Meaning
Lacking in vitality, force, or conviction; uninspired or uninspiring.
Example
The lackluster performance disappointed the audience.
黯淡无光的表现让观众失望。
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 /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 noun /ˈlaɪtoʊtiːz/

litotes

委婉语
Meaning
a figure of speech in which an affirmative is expressed by the negative of its contrary
Example
Saying 'not bad' as a compliment is an example of litotes.
说‘不坏’作为赞美是委婉语的一个例子。
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。
A1 noun /ˈlaɪ.brər.i/

Library

图书馆
Meaning
a building or room containing collections of books, periodicals, and sometimes films and recorded music for people to read, borrow, or refer to
Example
She goes to the library every weekend to study.
她每个周末都会去图书馆学习。
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。
C1 verb /ˈliːɡəlaɪz/

legalize

合法化
Meaning
To make something lawful by official approval.
Example
The government decided to legalize online businesses.
政府决定合法化在线业务。
C1 noun /ˈlɔːsuːt/

lawsuit

诉讼
Meaning
a legal case brought to a court of law by one person against another
Example
The company faced a lawsuit over false advertising.
公司因虚假广告而面临诉讼。
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。
A2 adjective /laɪt red/

Light Red

浅红色
Meaning
a pale or diluted shade of red color
Example
She wore a light red dress to the party.
她穿着一件浅红色的裙子去参加派对。
B2 noun /ˈleð.ər/

Leather

皮革
Meaning
animal skin that has been treated to preserve it and make it suitable for use
Example
He bought a leather jacket from the store.
他在商店里买了一件皮夹克。
B2 noun /ˈliːtər/

litre

升
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 /ˈlæmbənt/

lambent

柔和的发光
Meaning
glowing or flickering softly; having a gentle radiance
Example
The lambent light of the candle filled the room with warmth.
蜡烛的柔和光线充满了房间的温暖。
B2 verb /lɪk/

lick

舔
Meaning
to pass the tongue over something; to defeat decisively
Example
The cat licked its paws clean.
猫舔干净了它的爪子。
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。
B2 noun ˌlɪmɪˈteɪʃən

limitation

限制
Meaning
A limiting rule or circumstance; a restriction on the size or amount of something permissible.
Example
Limitation in data affects policy-making decisions.
数据的限制影响政策决策。
B1 noun /ˈlæbrətɔːri/

laboratory

实验室
Meaning
A room or building equipped for scientific experiments, research, or teaching.
Example
The students conducted the experiment in the chemistry laboratory.
学生们在化学实验室进行了实验。
C2 adjective /ˈlæŋɡwɪd/

Languid

无力的; 懒惰的; 虚弱的
Meaning
lacking energy or vitality; slow and relaxed; weak or faint
Example
After the long journey, she felt languid and needed to rest.
经过长时间的旅程后，她感到无力并需要休息。
C1 adjective ˈleɪ.tənt

latent

潜在的或隐藏的
Meaning
Existing but not yet developed or manifested; hidden potential.
Example
His artistic talent remained latent for years.
他的艺术才华多年来一直处于潜在状态。
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。
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。
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 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。
C1 verb ˈlæŋ.ɡwɪʃ

languish

衰退或萎缩
Meaning
To remain in a state of neglect or decline for a long time without improvement.
Example
The project began to languish due to a lack of funding.
该项目因缺乏资金而开始衰退。
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。
B2 noun ˈlænd.mɑːk

landmark

地标
Meaning
An object or feature of a landscape or town that is easily seen and recognized from a distance; an important stage or turning point.
Example
The space restaurant is a landmark in innovation.
太空餐厅是创新中的一个地标。
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。
C2 verb /ˈlæs.ə.reɪt/

lacerate

割裂，撕裂
Meaning
to tear or cut deeply in the skin or flesh
Example
The broken glass lacerated his hand.
破碎的玻璃割伤了他的手。
B1 adverb /ˈlɑːrdʒli/

largely

主要
Meaning
to a great extent; mostly or mainly
Example
The success of the project was largely due to teamwork.
这个项目的成功主要归功于团队合作。
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。
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 verb /ˈlɔɪtər/

loiter

Meaning
To stand or wait around idly without apparent purpose.
Example
The teenagers were told not to loiter outside the shop.
C2 noun /lækˈteɪʃən/

lactation

乳汁分泌
Meaning
the secretion of milk by the mammary glands of female mammals
Example
The doctor explained that lactation is a natural process after childbirth.
医生解释说，哺乳是分娩后的一种自然过程。
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 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。
C1 adjective /ˈliː.ni.ənt/

Lenient

宽容的; 宽大的; 仁慈的; 在处罚或判断中不严格
Meaning
tolerant; forgiving; merciful; not strict in punishment or judgment
Example
The teacher was lenient with students who submitted their homework late.
老师对那些迟交作业的学生宽容。
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。
B2 adjective /ˈlɪniər/

linear

线性
Meaning
Arranged in or extending along a straight line.
Example
The artist used linear perspective in his drawings.
艺术家在他的画作中使用了线性透视。
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。
B2 noun /ˈloʊ.təs/

Lotus

莲花
Meaning
a large water flower that floats on the surface of ponds and lakes
Example
The lotus flower blooms beautifully in the quiet pond.
莲花在宁静的池塘中美丽地绽放。
B2 noun /ˈlɒk.ɪt/

Locket

项链坠子
Meaning
a small ornamental case, typically made of gold or silver, worn on a chain around the neck
Example
She kept her grandmother's photo in the locket.
她把祖母的照片放在了项链坠子里。
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 /ˌluː.mɪˈnɛs.əns/

luminescence

发光现象
Meaning
The emission of light by a substance not resulting from heat; a type of cold light.
Example
The luminescence of the fireflies lit up the forest.
萤火虫的发光现象照亮了森林。
C1 noun /liˈeɪzɒn/

liaison

联络人
Meaning
communication or cooperation between people or groups for a smooth working relationship
Example
She works as a liaison between the company and its clients.
她在公司与客户之间担任联络人。
B2 adverb /ˈlaɪk.waɪz/

Likewise

同样地; 也; 类似地
Meaning
in the same way; also; similarly
Example
She studied hard for the exam, and her brother did likewise.
她为考试努力学习，她的哥哥也做了同样的事情。
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, 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。
C2 noun /ˌlɛdʒərdəˈmeɪn/

legerdemain

魔术, 欺骗
Meaning
skillful use of one's hands when performing tricks; deception or trickery
Example
The magician's legerdemain left the audience amazed.
魔术师的手法让观众惊讶不已。
A1 verb /lɪv/

live

住
Meaning
to have life; to reside in a particular place; to exist
Example
They live in a beautiful house by the lake.
他们住在湖边的一栋漂亮房子里。
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 /lɒŋ ˈwɪskəd ˈkætfɪʃ/

Long whiskered catfish

长须鲶鱼
Meaning
A type of freshwater fish with long whisker-like barbels around its mouth
Example
The fisherman caught a long whiskered catfish in the river.
渔夫在河里抓到了一条长须鲶鱼。
B2 adverb /ˈlaɪtli/

lightly

轻轻地
Meaning
gently or with little force or weight
Example
She touched the baby’s hand lightly.
她轻轻地触摸了宝宝的手。
C2 noun /ˈlɪθəˌtaɪp/

lithotype

石印类型 (印刷表面)
Meaning
a printing surface or type made for lithography
Example
The printer used a lithotype to produce multiple copies of the design.
打印机使用石印类型来制作设计的多个副本。
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。
B2 noun /ˈlɪkər/

liquor

Meaning
Alcoholic drinks, especially strong distilled ones such as whiskey or vodka.
Example
The shop sells both beer and hard liquor.
B2 adjective /ˈlɪtərəl/

literal

字面
Meaning
taking words in their usual or most basic sense without metaphor or exaggeration
Example
His comment was meant as a joke, not to be taken in a literal sense.
他的评论是开玩笑的，不应当按字面意思理解。
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。
A1 noun /lænd/

Land

土地; 土壤
Meaning
the part of the earth's surface that is not covered by water; an area of ground, soil, or earth
Example
The farmer worked hard to cultivate his land and grow healthy crops.
农民努力耕种他的土地，种植健康的作物。
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。
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。
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。
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
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。
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。
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。
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。
A1 verb /luːz/

lose

丢失
Meaning
to be unable to find something; to fail to win; to misplace
Example
I hope I don't lose my keys again.
希望我不会再次丢失我的钥匙。
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。
C2 noun /ˈlæriət/

lariat

套索
Meaning
A long rope with a noose at one end used to catch animals such as cattle or horses.
Example
The cowboy threw his lariat to catch the stray horse.
牛仔投掷了他的套索，捕捉到了迷路的马。
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。
C2 noun /ˈlæki/

lackey

侍从
Meaning
a person who is overly willing to serve or obey someone else
Example
He treated his assistant like a mere lackey.
他把助手当作一个普通的侍从对待。
B1 noun /ləˈbɔːr.ə.tɔːr.i/

Laboratory (Lab)

实验室
Meaning
a room or building equipped for scientific experiments, research, or teaching
Example
The scientists conducted their experiments in the well-equipped laboratory.
科学家们在设备齐全的实验室中进行了实验。
B1 noun /lɔk/

Lock

锁
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 verb /lɑːl/

loll

懒散地坐着
Meaning
To sit, lie, or stand in a lazy, relaxed way.
Example
He lolled on the sofa after a long day at work.
在长时间的工作后，他懒散地坐在沙发上。
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。
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。
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。
C2 noun /ˈlæŋɡər/

languor

倦怠
Meaning
A state of tiredness, inertia, or dreamy relaxation.
Example
The hot afternoon filled her with languor.
炎热的下午让她感到疲倦。
C1 verb /ˈlæmɪˌneɪt/

laminate

覆膜
Meaning
to cover or enclose something with a protective layer, usually plastic
Example
She laminated her important documents to protect them from damage.
她把重要的文件进行了塑料封面处理，以保护它们免受损坏。
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 /ˈlɪbərəlɪst/

liberalist

自由主义者
Meaning
a person who supports liberal ideas and principles
Example
He is a well-known liberalist advocating human rights.
他是一个著名的自由主义者，提倡人权。
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。
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。
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。
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。
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。
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。
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 verb /ˈlɪkwɪdeɪt/

liquidate

清算
Meaning
To sell assets in order to pay off debts; to close a business and convert assets into cash.
Example
The company decided to liquidate its assets to pay creditors.
公司决定清算其资产以支付债权人。
C2 noun /ˈlæɡ.ərd/

Laggard

进展缓慢并落后于其他人的人
Meaning
a person who makes slow progress and falls behind others; someone who is slow to act
Example
The laggard student finally submitted his assignment after the deadline.
那位落后的学生终于在截止日期后提交了作业。
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。
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。
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。
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。
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。
B1 verb /loʊd/

load

装载
Meaning
to put goods or cargo onto a vehicle; to fill something with a heavy quantity
Example
Workers load the truck with heavy boxes.
工人们用重箱子装载卡车。
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 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。
B2 noun /lʌŋ/

Lung

肺
Meaning
either of the two organs in the chest that you use for breathing
Example
Smoking can cause serious damage to your lungs.
吸烟可能会对你的肺造成严重损害。
C1 verb /ˈlʌmbər/

lumber

笨重行走
Meaning
to move in a slow, heavy, awkward way
Example
The bear lumbered through the forest in search of food.
那只熊在森林中沉重地走着寻找食物。
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 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 noun ˌlaɪ.əˈbɪl.ə.ti

liability

责任
Meaning
The state of being responsible for something, especially by law; a debt or financial obligation.
Example
The company's liabilities exceeded its assets.
公司的负债超过了它的资产。
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。
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 /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; 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。