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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。
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。
B2 noun /ˈlɒbi/

lobby

大堂
Meaning
a large open area near the entrance of a building; also a group trying to influence decisions.
Example
We met the manager in the hotel lobby before the meeting.
我们在会议前在酒店的大堂见到了经理。
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。
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。
B2 verb /ˈlaɪɪŋ/

lying

撒谎
Meaning
the act of not telling the truth
Example
He was caught lying about his grades.
他因撒谎关于他的成绩而被抓住。
B2 noun /ˈlæn.tərn/

Lantern

灯笼
Meaning
a portable lamp with a protective covering, often used outdoors
Example
We carried a lantern during our camping trip.
我们在露营时带着灯笼。
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。
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。
B2 noun /ˈlaɪ.ə.nəs/

Lioness

母狮
Meaning
an adult female lion
Example
The fierce lioness protected her cubs from danger.
那只凶猛的母狮保护着她的小狮子免受危险。
B2 noun /ˈlænd.fɪl/

landfill

垃圾填埋场
Meaning
a site where waste material is buried under the ground
Example
The city built a new landfill to manage its growing waste problem.
这个城市建造了一个新的垃圾填埋场，以应对日益增长的废物问题。
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。
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 verb /liːp/

leap

跳跃
Meaning
to jump high or far; to move quickly with large steps
Example
The cat leaped onto the table.
猫跳上了桌子。
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.
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 /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。
B2 noun /ˈlaɪ.səns/

Licence

许可证
Meaning
a permit from an authority to own or use something, do a particular thing, or carry on a trade
Example
You need a driving licence to operate a car.
你需要驾驶执照才能驾驶汽车。
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。
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 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。
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。
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 /ˈlaɪf.taɪm/

lifetime

一生
Meaning
The duration of a person's life or the existence of something.
Example
She achieved more in her lifetime than most people dream of.
她在一生中取得的成就，超出了大多数人的梦想。
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。
B2 adjective /ˈlɪtərɛri/

literary

文学的
Meaning
concerning the writing, study, or content of literature
Example
She is a well-known figure in the literary world.
她是文学界的知名人物。
B2 noun /ˈlænd.lɔːrd/

Land lord

房东
Meaning
a person who owns property and rents it to tenants
Example
The landlord collected the monthly rent from all tenants.
房东从所有租户那里收取了每月租金。
B2 noun ˈlaɪv.stɒk ˈfɑː.mɪŋ

livestock farming

畜牧业
Meaning
The breeding, raising, and care of farm animals such as cattle, horses, sheep, and pigs for food, fiber, and other products.
Example
Livestock farming plays a crucial role in food security.
畜牧业在食品安全中发挥着至关重要的作用。
B2 adjective, adverb /ˈlɒŋ taɪm/

long-time

长期的
Meaning
lasting or existing for a long period of time; having continued for many years
Example
She is a long-time friend of my family.
她是我家长期的朋友。
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 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.
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。
B2 noun /ˈlɪstɪŋ/

listing

列表
Meaning
a series of items or names written or printed in a specific order
Example
The listing of available jobs was updated daily.
可用职位的列表每天都会更新。
B2 noun /laɪm/

Lime

青柠
Meaning
a small green citrus fruit with acidic juice
Example
Add a slice of lime to your drink.
在你的饮料中加入一片青柠。
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。
B2 noun /ˈleɪ.bər.ər/

Labourer

工人
Meaning
a person who does unskilled physical work for wages
Example
The labourer worked hard all day at the construction site.
工人整天在建筑工地上辛勤工作。
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。
B2 noun ləˈdʒɪs.tɪks

Logistics

物流
Meaning
The detailed coordination of a complex operation involving many people, facilities, or supplies.
Example
Logistics ensures timely delivery.
物流确保及时交货。
B2 noun

Longing

渴望; 忧郁
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。
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 /ˈlɔɪəlti/

loyalty

忠诚
Meaning
a strong feeling of support or allegiance
Example
His loyalty to the company earned him great respect.
他对公司的忠诚为他赢得了极大的尊敬。
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 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 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。
B2 noun /ˈlænd.leɪ.di/

Landlady

女房东
Meaning
a woman who rents out land, a building, or accommodation; a female property owner
Example
The friendly landlady provided fresh towels and showed us around the apartment.
友好的女房东提供了新鲜的毛巾，并带我们参观了公寓。
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。
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。
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 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。
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。
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。
B2 adjective /lʌɡˈʒʊəriəs/

luxurious

奢华的
Meaning
extremely comfortable, elegant, or enjoyable, often involving great expense
Example
They stayed in a luxurious hotel during their vacation.
他们在度假期间住进了一家奢华的酒店。
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 /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。
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 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。
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; 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 /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。
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。
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。
B2 noun /ˈlɪtə(r)/

liter

Meaning
a metric unit of volume equal to one cubic decimeter
Example
The recipe calls for two liters of water.
B2 noun /lɪm/

limb

肢体
Meaning
an arm or leg of a person or animal; a large branch of a tree
Example
He broke a limb while climbing the tree.
他在爬树时摔断了一只肢体。
B2 adjective /ˈlʌv.ə.bəl/

Lovable

值得爱的; 可爱的
Meaning
deserving of love; endearing; adorable
Example
The puppy was so lovable that everyone wanted to adopt it.
小狗是如此可爱，所有人都想领养它。
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。
B2 noun /ˈlɪvər/

liver

肝脏
Meaning
a large organ in the body that cleans the blood and produces bile to help digest food.
Example
The liver plays a vital role in removing toxins from the body.
肝脏在清除体内毒素中起着至关重要的作用。
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 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 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。
B2 noun /ˈlaɪ.kli.hʊd/

likelihood

可能性
Meaning
the chance or probability of something happening
Example
There is a strong likelihood of rain tomorrow.
明天有很大的降雨可能性。
B2 noun /liːk/

Leak

漏洞; 漏水
Meaning
a hole in a container or covering through which contents escape or enter accidentally
Example
There is a leak in the water pipe.
水管里有一个漏洞。
B2 noun /ˈlænd.lɔːrd/

Landlord

房东
Meaning
a man who rents out land, a building, or accommodation; a male property owner
Example
The landlord agreed to fix the broken heating system before winter arrived.
房东同意在冬天到来之前修理坏掉的暖气系统。
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。
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 /ˈlʊkɪŋ ɡlæs/

Looking glass

镜子
Meaning
a mirror; a piece of glass that reflects images
Example
She looked at herself in the looking glass.
她在镜子里看着自己。
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。
B2 noun ˈlɒŋ tɜːm ˈmɛm.ər.i

Long-term memory

长期记忆
Meaning
Such memory that remains stored in the brain for a long time
Example
Repeated practice helps transfer information into long-term memory.
重复练习有助于将信息转移到长期记忆中。
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。
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。
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。
B2 adverb /ˈliːɡəli/

legally

合法地
Meaning
in a way that is allowed by law
Example
He is legally responsible for his actions.
他对自己的行为负有合法责任。
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。
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 /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。
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。
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 /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 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 /ˈlɪt.ər.ət/

Literate

文盲; 有教育的; 受过良好教育的
Meaning
able to read and write; educated; well-educated
Example
She is a very literate person who reads extensively.
她是一个非常有文化的人，广泛阅读。
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。
B2 verb /ˈlaɪtən/

lighten

使变亮；缓和
Meaning
to make something brighter or less dark; to make something less heavy or serious
Example
A joke can lighten the mood during a tense meeting.
一个笑话可以缓和紧张会议的气氛。
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 noun /ˌledʒɪsˈleɪʃən/

legislation

立法
Meaning
laws considered collectively, or the act of making laws
Example
The government passed new legislation to protect the environment.
政府通过了新的立法来保护环境。
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。
B2 noun /liːk/

Leek

韭菜
Meaning
vegetable related to onion with long green leaves and white bulb, milder than onion
Example
The soup was made with potatoes and leeks.
这道汤是用土豆和韭菜做的。
B2 noun /ˈleɪzər/

laser

激光
Meaning
a device that emits a concentrated beam of light
Example
The doctor used a laser to perform eye surgery.
医生使用激光进行眼部手术。
B2 noun /ˈlɒdʒɪk/

logic

逻辑
Meaning
Reasoning conducted or assessed according to strict principles of validity.
Example
Her argument was based on sound logic.
她的论点基于严密的逻辑。
B2 noun /liːɡ/

league

联赛
Meaning
An association of people or groups united for a common purpose; also a unit of distance (old use).
Example
Several clubs formed a league to promote sportsmanship.
几个俱乐部组成了一个联盟，以促进体育精神。
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。
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 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 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。
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 /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。
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。
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。
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。
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。
B2 noun ˈlaɪf ɪkˌspek.tən.si

life expectancy

预期寿命
Meaning
The average period that a person may expect to live; the length of time for which something is expected to last or to continue being effective.
Example
Life expectancy depends on healthcare quality.
预期寿命取决于医疗保健质量。