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A1 noun 8分钟阅读

지구

jigu

开始练习例句笔记与提示 지구 30秒了解

解析 지구 in your Level:

At the A1 level, you learn '지구' as a basic noun representing the planet Earth. You will use it in very simple sentences like '지구는 커요' (The Earth is big) or '지구는 둥글어요' (The Earth is round). At this stage, the focus is on identifying the word and using it with basic descriptive adjectives. You might also encounter it in simple children's songs or basic science lessons. The goal is to understand that '지구' is the specific name for our planet, separate from '땅' (ground) or '집' (home). You will practice connecting it with the subject particle '-는' to make simple statements of fact. It's an essential word for talking about the world around us and the environment in a fundamental way. You should also be able to recognize it in written form and understand its meaning when spoken in a slow, clear context.

At the A2 level, you begin to use '지구' in more complex structures, such as those involving location and possession. You can say '지구에 살아요' (I live on Earth) or '지구의 물' (Earth's water). You will also start to see it in environmental contexts, like '지구를 보호해요' (Let's protect the Earth). At this level, you should be able to distinguish '지구' from '세계' (world/nations) in simple contexts. You might use it when talking about travel or geography, such as '지구에서 가장 높은 산은 에베레스트예요' (The highest mountain on Earth is Everest). Your vocabulary will expand to include related terms like '지구본' (globe). You are expected to use basic particles correctly with this word and understand its role in simple scientific or geographical descriptions found in textbooks or news headlines for learners.

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At the B1 level, you can use '지구' to discuss social and environmental issues. You will be familiar with common compound words like '지구 온난화' (global warming) and '지구촌' (global village). You can express opinions about the planet's future or the importance of environmental conservation. For example, '지구 온난화를 막기 위해 노력해야 합니다' (We must work to stop global warming). You will also encounter '지구' in more varied media contexts, such as documentaries or news reports about international events. You should be able to follow a conversation about the Earth's environment and use appropriate grammar to describe cause and effect. Your understanding of the word moves beyond a simple noun to a concept that involves human interaction and global responsibility. You can also use it in comparative sentences, comparing Earth to other planets in the solar system.

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At the B2 level, '지구' is used in more academic and professional contexts. You can discuss the Earth's physical properties in detail, such as its rotation (자전), revolution (공전), and atmospheric layers. You will understand and use formal language related to the planet, such as '지구 생태계' (Earth's ecosystem) or '지구의 자원' (Earth's resources). You can participate in debates about global issues and use '지구' to ground your arguments in a planetary context. For instance, '지구적 차원에서의 협력이 필요합니다' (Cooperation on a global scale is necessary). You are expected to understand the nuance between '지구' and its synonyms in complex texts and choose the most appropriate word for the register. Your reading comprehension should include scientific articles or editorials that use '지구' to discuss complex topics like biodiversity or space exploration.

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At the C1 level, you use '지구' in highly sophisticated and abstract ways. You can discuss philosophical concepts like '지구적 정체성' (global identity) or the '지구 공동체' (Earth community). You are comfortable with '지구' appearing in literature, high-level academic journals, and political discourse. You can analyze how the concept of the Earth has changed throughout history and its representation in different cultures. You might use the word in metaphors or idiomatic expressions that are less common in daily speech but frequent in intellectual circles. For example, discussing the '지구의 종말' (the end of the Earth) in a philosophical or scientific context. Your ability to use '지구' reflects a deep understanding of its scientific, social, and cultural implications. You can write long essays or give presentations on global topics using a wide range of vocabulary related to the planet.

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At the C2 level, you have a native-like mastery of the word '지구'. You understand all its subtle nuances, historical etymology, and its use in the most complex literary and technical contexts. You can effortlessly switch between scientific descriptions of the '지구' and poetic or philosophical reflections on it. You are aware of how the word is used in specialized fields like geophysics, international law, or environmental ethics. You can understand and produce texts that use '지구' as a central theme, exploring its role in the universe and the human condition. Whether it's a technical report on '지구 자기장' (Earth's magnetic field) or a profound literary work about the '지구의 숨결' (the breath of the Earth), you can process and produce these with precision and elegance. Your command of the word and its associations is comprehensive and nuanced.

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开始练习例句笔记与提示

지구 30秒了解

지구 (Jigu) means Earth, referring to the physical planet we inhabit.
It is a noun used in science, environmental talk, and daily life.
Commonly paired with environmental terms like 'global warming' (지구 온난화).
Different from 'world' (social/nations) and 'ground' (dirt/floor).

The Korean word 지구 (Jigu) refers specifically to the planet Earth. Derived from the Hanja characters 地 (ji - land/ground) and 球 (gu - ball/sphere), it literally translates to 'land ball' or 'terrestrial sphere.' This term is used in scientific, environmental, and daily contexts when referring to our home planet as a celestial body. Unlike the word 세상 (sesang), which often refers to 'the world' in a social or experiential sense, or 땅 (ttang), which refers to the physical ground or soil beneath your feet, 지구 emphasizes the Earth as a whole unit in space.

Scientific Context: Used when discussing astronomy, geology, or physics. For example, '지구의 자전' (Earth's rotation).

우리는 지구라는 행성에 살고 있습니다. (We live on a planet called Earth.)

In modern Korean culture, 지구 is frequently used in environmental campaigns. You will see it in phrases like '지구를 지켜요' (Protect the Earth) or '지구의 날' (Earth Day). Because Korea has a strong emphasis on sustainability and global awareness, this word appears constantly in educational materials and news reports regarding climate change. It carries a sense of collective responsibility for the environment. When you use 지구, you are looking at the big picture—thinking about humanity's place in the universe rather than just your local neighborhood.

Environmental Context: Commonly paired with words like '온난화' (warming) or '오염' (pollution).

지구 온난화가 심각해지고 있습니다. (Global warming is becoming serious.)

Furthermore, the concept of the 'Global Village' is translated as 지구촌 (Jiguchon). This term highlights how technology and travel have connected different parts of the Earth as if they were a single village. It is a very common term in social studies and international relations discussions in Korea. When people talk about global cooperation, they are likely to use terms rooted in 지구. It represents a shift from nationalistic thinking to a more holistic, planetary perspective.

Metaphorical Context: Used in pop culture to describe someone 'out of this world' or a 'global' scale of fame.

그의 인기는 지구 끝까지 퍼졌어요. (His popularity spread to the ends of the Earth.)

Using 지구 in a sentence follows standard Korean grammar rules, but there are specific particles and structures that appear most frequently. Because 지구 is a noun, it often acts as the subject or object of a sentence. When describing the Earth's characteristics, you use the subject particle -는 or -가. For example, '지구는 둥글다' (The Earth is round) is a classic sentence taught to children.

Descriptive Usage: Focusing on the physical properties of the planet.

지구는 태양계에서 세 번째 행성입니다. (Earth is the third planet in the solar system.)

When indicating location, the particle -에서 (in/at) is used. However, because Earth is a massive place, this usually implies 'on Earth' or 'within the Earth's environment.' If you want to say something is the biggest 'on Earth,' you would say '지구에서 가장 큰...' This structure is very common in superlatives and trivia. You can also use the possessive particle -의 (of) to describe things belonging to or related to Earth, like '지구의 대기' (Earth's atmosphere) or '지구의 미래' (Earth's future).

Locative Usage: Specifying that an event or object is located on the planet.

지구에서 생명체가 살 수 있는 이유는 물 덕분입니다. (The reason life can live on Earth is thanks to water.)

In more advanced sentences, 지구 is often the object of actions related to protection, exploration, or observation. The object particle -를 is used here. You might hear '지구를 관찰하다' (to observe the Earth) in a scientific documentary or '지구를 사랑하다' (to love the Earth) in a poetic or environmental context. Combining 지구 with verbs of motion, like '지구로 돌아오다' (to return to Earth), is standard for space-themed narratives.

Action/Object Usage: When Earth is the recipient of an action or the destination of travel.

우주 비행사가 지구를 향해 창밖을 보았습니다. (The astronaut looked out the window toward Earth.)

You will encounter the word 지구 in a wide variety of settings in South Korea, ranging from formal education to entertainment. In schools, it is a foundational word in the 'Science' (과학) and 'Social Studies' (사회) curricula. Children learn about the Earth's layers (지각, 맨틀, 핵) and its atmosphere. If you walk into a Korean classroom, you are likely to see a globe, which is called a 지구본 (Jigubon), literally 'Earth model/original.'

Educational Setting: Used in textbooks to describe geography and planetary science.

선생님께서 지구본을 돌리며 대륙을 설명하셨어요. (The teacher explained the continents while spinning the globe.)

In the media, 지구 is a keyword in news reports about climate change. Phrases like 지구 온난화 (Global Warming) and 지구촌 기후 위기 (Global Village Climate Crisis) are heard daily on KBS or MBC news. It is also a popular word in documentaries about nature, such as those narrated with a sense of wonder about the planet's beauty. If you enjoy watching Korean variety shows, you might see travel-themed shows where the cast members travel to the 'other side of the Earth' (지구 반대편).

Media and News: Frequent in environmental reporting and international news segments.

오늘 뉴스는 지구 온난화의 심각성을 다루고 있습니다. (Today's news deals with the seriousness of global warming.)

Pop culture also uses 지구 frequently. Many K-pop songs use the Earth as a metaphor for a vast distance or a place where two lovers meet. For instance, a song might describe a feeling so big it could cover the whole Earth. In movies, especially sci-fi or disaster films, 지구 is the central object of peril. Titles like '지구를 지켜라!' (Save the Green Planet!) use the word to create a sense of high stakes and adventure.

Entertainment/Music: Used as a metaphor for scale, distance, or a precious home.

우리는 지구 어디에 있든 연결되어 있어요. (No matter where on Earth we are, we are connected.)

One of the most common mistakes learners make is confusing 지구 with 세상 (Sesang) or 세계 (Segye). While all three can be translated as 'world' in certain contexts, they have distinct nuances. 지구 is the physical planet. 세상 is the social world or the life we experience. 세계 is often used for 'the world' in terms of nations, politics, or a global system (like 'World War' - 세계 대전). If you say '지구가 아름다워요,' you are likely talking about the view of the planet from space. If you say '세상이 아름다워요,' you are talking about the beauty of life and society.

Mistake 1: Confusing with 'Ground': Using '지구' when you mean the dirt or the floor.

Incorrect: 지구에 앉으세요. (Sit on the Earth - meaning the planet). Correct: 땅에 앉으세요. (Sit on the ground).

Another error involves the word 땅 (ttang). 땅 refers to the literal soil, land, or ground. You can buy 땅 (real estate), but you cannot buy 지구. If you fall down, you fall onto the 땅, not the 지구 (unless you are being very dramatic or scientific). Learners often use 지구 when they just mean 'outside' or 'on the floor,' which sounds very strange to native speakers. Always use 지구 when referring to the planet as a whole entity.

Mistake 2: Particle Errors: Using the wrong particle when describing location on Earth.

Incorrect: 지구가 살아요. (The Earth lives). Correct: 지구에 살아요. (I live on Earth).

Finally, watch out for the pronunciation. Some beginners might confuse the 'j' sound in 지구 with a 'ch' sound or a 'z' sound. In Korean, the 'ㅈ' is a soft affricate. Also, ensure the 'u' (ㅜ) sound is a clear 'oo' like in 'moon,' not a 'uh' sound. Mispronouncing it might lead to confusion with other words like '직구' (fastball in baseball) or '지국' (a branch office), although context usually prevents this.

Understanding the differences between 지구 and its synonyms is crucial for sounding natural. The most common alternatives are 세계 (Segye) and 세상 (Sesang). While they all touch upon the concept of 'world,' their registers and specific meanings vary significantly. 지구 is objective and scientific; 세계 is often political or organizational; 세상 is subjective and emotional.

Comparison: 지구 vs. 세계: '지구' is the planet; '세계' is the world of people and countries.

지구는 둥글다 (The Earth is round). 세계 평화 (World peace).

Another related word is 행성 (Haengseong), which means 'planet.' 지구 is a specific type of 행성. When discussing Mars, Jupiter, or Saturn, you would use 행성. If you are talking about the universe as a whole, you use 우주 (Uju). 지구 is just one small part of the 우주. In poetic contexts, you might encounter the native Korean word 누리 (Nuri), which is an archaic or literary term for 'the world.' It is rarely used in conversation but appears in names and songs.

Comparison: 지구 vs. 땅: '지구' is the whole sphere; '땅' is the surface you walk on.

지구의 온도가 올라가요 (The Earth's temperature rises). 땅을 파다 (To dig the ground).

When describing the environment, 자연 (Jayeon), meaning 'nature,' is a frequent companion to 지구. While 지구 is the place, 자연 refers to the living systems, plants, and animals within it. If you want to talk about the 'global' aspect of something, you can use the prefix 글로벌 (Geullobeol), which is the English loanword 'global,' often used in business contexts like '글로벌 시장' (global market), whereas 지구 remains more physical.

How Formal Is It?

趣味小知识

Before the concept of a spherical Earth was widely accepted in East Asia, other terms were used. '지구' became the standard term as modern astronomy was introduced.

发音指南

UK /t͡ɕi.ɡu/

US /dʒi.ɡu/

In Korean, syllables usually have equal weight, but a slight emphasis may fall on the first syllable '지'.

难度评级

阅读 1/5

The word is short and the Hanja are basic. Easy to recognize.

写作 1/5

Simple strokes, easy to write correctly.

口语 1/5

Pronunciation is straightforward for English speakers.

听力 1/5

Clear, distinct syllables.

接下来学什么

前置知识

땅 (ground) 하늘 (sky) 물 (water) 해 (sun) 달 (moon)

接下来学习

우주 (space) 행성 (planet) 환경 (environment) 온도 (temperature) 자연 (nature)

高级

생태계 (ecosystem) 자전 (rotation) 공전 (revolution) 대기권 (atmosphere) 지질학 (geology)

需要掌握的语法

Subject Particles (-이/가, -은/는)

지구가 아파요. (The Earth is hurting.)

Location Particles (-에, -에서)

지구에 살다. (Live on Earth.)

Possessive Particle (-의)

지구의 자원. (Earth's resources.)

Comparative Particle (-보다)

지구보다 큰 행성. (A planet bigger than Earth.)

Object Particle (-을/를)

지구를 지키다. (Protect the Earth.)

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按水平分级的例句

지구는 둥글어요.

The Earth is round.

지구 (subject) + -는 (topic particle) + 둥글다 (to be round) + -어요 (polite ending).

지구는 커요.

The Earth is big.

지구 (subject) + -는 (topic particle) + 크다 (to be big) + -어요 (polite ending).

지구는 우리 집이에요.

The Earth is our home.

지구 (subject) + -는 (topic particle) + 우리 (our) + 집 (home) + -이에요 (to be).

지구에는 물이 많아요.

There is a lot of water on Earth.

지구 (location) + -에는 (at/in) + 물 (water) + -이 (subject particle) + 많다 (to be many/much) + -아요.

지구는 예뻐요.

The Earth is pretty.

지구 (subject) + -는 (topic particle) + 예쁘다 (to be pretty) + -어요.

지구는 행성입니다.

Earth is a planet.

지구 (subject) + -는 (topic particle) + 행성 (planet) + -입니다 (formal to be).

지구를 사랑해요.

I love the Earth.

지구 (object) + -를 (object particle) + 사랑하다 (to love) + -해요.

지구는 파란색이에요.

The Earth is blue.

지구 (subject) + -는 (topic particle) + 파란색 (blue color) + -이에요 (to be).

우리는 지구에 살고 있어요.

We are living on Earth.

우리는 (we) + 지구에 (on Earth) + 살다 (to live) + -고 있다 (present continuous).

지구에서 가장 높은 산은 무엇인가요?

What is the highest mountain on Earth?

지구에서 (on Earth) + 가장 (most) + 높다 (to be high) + 산 (mountain).

지구를 보호해야 해요.

We have to protect the Earth.

지구를 (Earth/object) + 보호하다 (to protect) + -해야 하다 (must/have to).

지구본을 보고 나라를 찾아요.

I look at the globe and find countries.

지구본 (globe) + -을 (object) + 보다 (to look) + -고 (and) + 찾다 (to find).

지구의 공기는 깨끗해야 합니다.

Earth's air must be clean.

지구의 (Earth's) + 공기 (air) + 깨끗하다 (to be clean) + -해야 합니다 (must).

태양은 지구보다 훨씬 커요.

The sun is much bigger than the Earth.

태양은 (Sun) + 지구보다 (than Earth) + 훨씬 (much) + 크다 (big).

지구에는 많은 동물이 살아요.

Many animals live on Earth.

지구에는 (on Earth) + 많은 (many) + 동물 (animals) + 살다 (to live).

지구의 날은 4월 22일이에요.

Earth Day is April 22nd.

지구의 날 (Earth Day) + 4월 22일 (April 22) + -이에요.

지구 온난화 때문에 날씨가 변하고 있어요.

The weather is changing because of global warming.

지구 온난화 (global warming) + 때문에 (because of) + 날씨 (weather) + 변하다 (to change).

우리는 지구촌 시대에 살고 있습니다.

We are living in the era of the global village.

지구촌 (global village) + 시대 (era) + -에 (in) + 살다 (to live).

지구의 자원을 아껴 써야 합니다.

We must use Earth's resources sparingly.

지구의 자원 (Earth's resources) + 아껴 쓰다 (to use sparingly) + -해야 합니다.

과학자들은 지구 밖의 생명체를 찾고 있어요.

Scientists are looking for life outside of Earth.

지구 밖 (outside Earth) + 의 (possessive) + 생명체 (life form) + 찾다 (to look for).

지구의 환경 오염이 심각한 문제입니다.

Environmental pollution of the Earth is a serious problem.

지구의 (Earth's) + 환경 오염 (environmental pollution) + 심각하다 (serious).

지구는 태양 주위를 돕니다.

The Earth revolves around the sun.

지구는 (Earth) + 태양 주위 (around the sun) + -를 (object) + 돌다 (to spin/revolve).

지구를 위해 일회용품 사용을 줄입시다.

Let's reduce the use of disposable items for the Earth.

지구를 위해 (for the Earth) + 일회용품 (disposables) + 줄이다 (to reduce) + -읍시다 (let's).

지구는 물과 공기로 덮여 있습니다.

The Earth is covered with water and air.

지구는 (Earth) + 물과 공기로 (with water and air) + 덮이다 (to be covered).

지구의 자전 속도는 적도에서 가장 빠릅니다.

The Earth's rotation speed is fastest at the equator.

지구의 자전 (Earth's rotation) + 속도 (speed) + 적도 (equator) + 빠르다 (fast).

지구 생태계를 유지하는 것이 우리의 책임입니다.

Maintaining the Earth's ecosystem is our responsibility.

지구 생태계 (Earth ecosystem) + 유지하다 (maintain) + 책임 (responsibility).

지구 온난화로 인해 북극의 얼음이 녹고 있습니다.

The Arctic ice is melting due to global warming.

-로 인해 (due to) + 북극 (North Pole) + 얼음 (ice) + 녹다 (to melt).

지구 내부 구조는 지각, 맨틀, 핵으로 나뉩니다.

The Earth's internal structure is divided into crust, mantle, and core.

지구 내부 구조 (internal structure) + 나뉘다 (to be divided).

인류는 지구의 미래를 걱정하고 있습니다.

Humanity is worried about the future of the Earth.

인류 (humanity) + 지구의 미래 (future of Earth) + 걱정하다 (to worry).

지구 자기장은 태양풍으로부터 우리를 보호합니다.

The Earth's magnetic field protects us from solar winds.

지구 자기장 (magnetic field) + 태양풍 (solar wind) + 보호하다 (protect).

지구는 약 45억 년 전에 탄생했습니다.

The Earth was born about 4.5 billion years ago.

약 (about) + 45억 년 전 (4.5 billion years ago) + 탄생하다 (to be born).

지구 표면의 70% 이상이 바다로 덮여 있습니다.

More than 70% of the Earth's surface is covered by the ocean.

지구 표면 (surface) + 70% 이상 (over 70%) + 바다 (ocean) + 덮이다 (covered).

지구적 차원의 기후 위기에 대응하기 위해 국제적인 협력이 필수적입니다.

International cooperation is essential to respond to the climate crisis on a global scale.

지구적 차원 (global scale) + 대응하다 (respond) + 필수적 (essential).

인간의 활동이 지구 환경에 미치는 영향은 지대합니다.

The impact of human activities on the Earth's environment is immense.

미치는 영향 (impact/influence) + 지대하다 (immense/great).

지구의 생물 다양성을 보존하는 것은 인류의 생존과 직결됩니다.

Preserving Earth's biodiversity is directly linked to the survival of humanity.

생물 다양성 (biodiversity) + 보존 (preservation) + 직결되다 (directly linked).

우리는 지구라는 한정된 자원 속에서 지속 가능한 발전을 도모해야 합니다.

We must promote sustainable development within the limited resources of Earth.

한정된 자원 (limited resources) + 지속 가능한 발전 (sustainable development).

지구 대기권의 이산화탄소 농도가 사상 최고치를 기록했습니다.

The concentration of carbon dioxide in the Earth's atmosphere has reached an all-time high.

대기권 (atmosphere) + 농도 (concentration) + 사상 최고치 (all-time high).

지구는 모든 생명체가 공존해야 하는 거대한 유기체와 같습니다.

The Earth is like a giant organism where all living things must coexist.

공존하다 (coexist) + 거대한 (giant) + 유기체 (organism).

지구의 자전축 기울기가 계절의 변화를 만들어냅니다.

The tilt of Earth's axis creates the change of seasons.

자전축 (axis of rotation) + 기울기 (tilt) + 계절 (seasons).

지구 온난화의 여파로 전 세계적으로 기상이변이 속출하고 있습니다.

As an aftermath of global warming, extreme weather events are occurring frequently worldwide.

여파 (aftermath) + 기상이변 (extreme weather) + 속출하다 (occur frequently).

지구라는 행성의 취약성은 인류에게 공동의 운명체라는 인식을 심어주었습니다.

The vulnerability of the planet Earth has instilled in humanity the perception of being a community of common destiny.

취약성 (vulnerability) + 공동의 운명체 (community of common destiny).

지구의 지질학적 연대는 인류의 역사와는 비교할 수 없을 정도로 유구합니다.

Earth's geological timeline is so long that it is incomparable to human history.

지질학적 연대 (geological era) + 비교할 수 없을 정도로 (incomparably).

지구 온난화는 단순히 환경 문제를 넘어 정치, 경제적 이해관계가 얽힌 복합적인 사안입니다.

Global warming is a complex issue intertwined with political and economic interests, beyond just environmental problems.

이해관계 (interests) + 얽히다 (intertwined) + 복합적 (complex).

지구의 자정 능력이 한계에 다다랐다는 경고의 목소리가 높아지고 있습니다.

Warning voices are rising that Earth's self-purification capacity has reached its limit.

자정 능력 (self-purification capacity) + 한계 (limit) + 다다르다 (reach).

지구 시스템 공학은 행성 전체의 기후를 인위적으로 조절하려는 시도를 포함합니다.

Earth system engineering involves attempts to artificially regulate the climate of the entire planet.

시스템 공학 (system engineering) + 인위적 (artificial) + 조절 (regulation).

지구의 중력장 변화를 관측함으로써 내부 물질의 이동을 파악할 수 있습니다.

By observing changes in Earth's gravitational field, the movement of internal matter can be understood.

중력장 (gravitational field) + 관측 (observation) + 파악하다 (understand/grasp).

지구 온난화의 가속화는 해수면 상승을 초래하여 저지대 국가들의 존립을 위협하고 있습니다.

The acceleration of global warming is causing sea levels to rise, threatening the existence of low-lying nations.

가속화 (acceleration) + 초래하다 (cause) + 존립 (existence).

지구의 생태적 발자국을 줄이는 것은 현 세대가 미래 세대에게 져야 할 도덕적 책무입니다.

Reducing Earth's ecological footprint is a moral obligation that the current generation owes to future generations.

생태적 발자국 (ecological footprint) + 도덕적 책무 (moral obligation).

常见搭配

지구 온난화

지구 반대편

지구의 날

지구본

지구촌

지구의 자전

지구 환경

지구 관측

지구 내부

지구의 미래

常用短语

지구를 지키다

— To protect or save the Earth. Often used in environmental slogans.

우리 모두 힘을 합쳐 지구를 지킵시다.

지구 끝까지

— To the ends of the Earth. Used to express extreme distance or commitment.

지구 끝까지 당신을 따라갈게요.

지구 한 바퀴

— Once around the Earth. Often used when talking about long-distance travel.

그는 지구 한 바퀴를 여행했습니다.

지구상에서

— On the face of the Earth. Used for emphasis in superlatives.

지구상에서 가장 아름다운 곳이에요.

지구인

— Earthling/Human. Used in sci-fi or when looking at humanity as a whole.

우리는 모두 똑같은 지구인입니다.

지구 밖으로

— Out into space. Used when talking about leaving the planet.

로켓이 지구 밖으로 날아갔어요.

지구 대기

— Earth's atmosphere. Scientific term.

지구 대기는 산소가 풍부합니다.

지구 표면

— Earth's surface. Used in geography.

지구 표면의 대부분은 바다입니다.

지구 역사

— The history of the Earth (geological/biological).

지구 역사는 수십억 년에 달합니다.

지구 생태계

— Earth's ecosystem.

지구 생태계가 파괴되고 있습니다.

容易混淆的词

지구 vs 세상

Confused because both mean 'world'. Use '세상' for life/society and '지구' for the planet.

지구 vs 세계

Both mean 'world'. Use '세계' for nations/politics and '지구' for the physical sphere.

지구 vs 땅

Both relate to land. Use '땅' for the ground you walk on and '지구' for the whole planet.

习语与表达

"지구가 멸망해도"

— Even if the Earth is destroyed. Expresses strong determination.

지구가 멸망해도 나는 사과나무를 심겠다.

Literary/Determined

"지구 반대편에 있다"

— To be on the other side of the world. Used for extreme distance.

우리는 지금 지구 반대편에 떨어져 있어요.

Neutral

"지구를 떠나다"

— To leave the Earth. Can be a metaphor for dying or literal space travel.

그는 영원히 지구를 떠났습니다.

Euphemistic/Literal

"지구는 둥글다"

— The Earth is round. Often used to imply that people will eventually meet again.

지구는 둥그니까 언젠가 다시 만나겠죠.

Optimistic/Common

"지구가 좁다"

— The Earth is small. Used when meeting someone unexpectedly in a far place.

여기서 만나다니 정말 지구가 좁네요!

Informal

"지구를 구하다"

— To save the Earth. Standard hero trope.

슈퍼맨이 지구를 구했어요.

Casual/Heroic

"지구상에 없다"

— To not exist on Earth. Used for something unique or incredibly good/bad.

이런 맛은 지구상에 없을 거예요.

Hyperbolic

"지구의 배꼽"

— The navel of the Earth. Refers to Uluru (Ayers Rock) or other central landmarks.

호주의 울루루는 지구의 배꼽이라 불려요.

Descriptive

"지구촌 식구"

— Members of the global village. Emphasizes unity.

우리는 모두 지구촌 식구입니다.

Friendly/Social

"지구 끝까지 쫓아가다"

— To chase someone to the ends of the Earth.

범인을 지구 끝까지 쫓아가서 잡을 거야.

Intense

容易混淆

지구 vs 직구

Sounds similar.

직구 means 'fastball' or 'direct purchase'. 지구 means 'Earth'.

그는 멋진 직구를 던졌어요. (He threw a great fastball.)

지구 vs 지국

Sounds similar.

지국 means a 'branch office'. 지구 means 'Earth'.

신문사 지국에 들렀어요. (I stopped by the newspaper branch office.)

지구 vs 지구력

Contains the same sound '지구'.

지구력 means 'endurance' or 'stamina'.

마라톤 선수는 지구력이 좋아야 해요. (Marathon runners need good endurance.)

지구 vs 지구 (district)

Identical spelling and sound.

This '지구' (地區) means a 'district' or 'zone'. Context is key.

이곳은 상업 지구입니다. (This is a commercial district.)

지구 vs 지각

Related to Earth science.

지각 means 'Earth's crust' or 'being late'.

지구의 지각은 딱딱해요. (Earth's crust is hard.)

句型

지구는 [Adjective] + 어요/아요.

지구는 예뻐요.

지구에 [Noun] + 이/가 있어요.

지구에 사람이 있어요.

지구를 위해 [Action] + 읍시다.

지구를 위해 쓰레기를 줍시다.

지구 온난화로 인해 [Result].

지구 온난화로 인해 얼음이 녹아요.

지구적 차원에서 [Noun] + 이/가 필요하다.

지구적 차원에서 협력이 필요하다.

지구의 [Abstract Noun] + 은/는 [Complex Description].

지구의 유구한 역사는 경이롭습니다.

Any

지구 반대편의 [Noun].

지구 반대편의 나라.

Any

지구상에서 가장 [Adjective] + 한 [Noun].

지구상에서 가장 아름다운 꽃.

词族

名词

지구본 (globe)

지구인 (earthling)

지구촌 (global village)

지구과학 (earth science)

形容词

지구적 (global/planetary)

如何使用

frequency

Very High in educational and news contexts; moderate in daily conversation.

常见错误

지구에 앉다 → 땅에 앉다
You sit on the ground (땅), not the whole planet (지구).
지구 평화 → 세계 평화
'World peace' usually uses '세계' because peace is a human/political concept between nations.
지구는 좁다 (meaning society) → 세상은 좁다
While '지구는 좁다' is used for unexpected meetings, '세상은 좁다' is the more standard idiom for 'it's a small world'.
지구의 사람 → 지구인 / 지구상의 사람
'지구의 사람' sounds a bit literal. '지구인' (Earthling) or '지구상에 사는 사람' (People living on Earth) is more natural.
지구를 파다 → 땅을 파다
You dig the ground (땅), not the planet (지구).

小贴士

Learn the Hanja

Knowing that 地 means land and 球 means ball makes it impossible to forget that '지구' means the planet Earth.

Particles Matter

Use '지구에서' when comparing things on Earth, and '지구를' when talking about protecting it.

Global Village

Koreans love the word '지구촌'. Use it when talking about international friendship or global issues.

News Keywords

If you hear '지구' on the news, it's almost always followed by '온난화' (warming) or '환경' (environment).

The 'Round' Idiom

Use '지구는 둥그니까' when you meet someone unexpectedly. It's a charming way to say 'small world'.

Earth vs World

In essays, use '지구' for physical/environmental topics and '세계' for political/social topics.

Compound Words

Learn '지구본' (globe) and '지구인' (earthling) as they are fun and useful additions to your vocabulary.

Eco-Friendly

The phrase '지구를 지키자' (Let's save the Earth) is seen everywhere in Korea, from trash cans to TV ads.

지구 vs 행성

Remember that '지구' is the specific name, while '행성' is the category (planet).

Determined Phrases

The phrase '지구가 멸망해도' (Even if the Earth is destroyed) is a great way to show your resolve in writing.

记住它

记忆技巧

Think of 'Ji' (ground) and 'Gu' (ball). Earth is a giant 'Ground Ball'.

视觉联想

Visualize a blue globe (지구본) sitting on a teacher's desk.

Word Web

지구 (Earth) 태양 (Sun) 달 (Moon) 행성 (Planet) 우주 (Space) 환경 (Environment) 둥글다 (Round) 살다 (Live)

挑战

Try to use '지구' in three sentences today: one about the environment, one about space, and one using a superlative like 'the best on Earth'.

词源

Derived from Sino-Korean (Hanja).

原始含义：地 (Land/Ground) + 球 (Ball/Sphere). Literally 'Land Ball'.

Sino-Korean roots.

文化背景

None. It is a neutral, scientific term.

English speakers use 'Earth' for the planet and 'world' for society. Korean does the same with '지구' and '세상/세계'.

지구를 지켜라! (Save the Green Planet!) - A famous cult classic Korean film. 지구촌 (Global Village) - A term popularized in the 90s in Korea. Earth Day (지구의 날) - Widely observed in Korean cities with lights-out events.

在生活中练习

真实语境

Science Class

지구의 구조
지구의 자전과 공전
태양계의 지구
지구과학 수업

Environmental Campaign

지구를 살리자
지구 온난화 방지
지구의 날 행사
친환경 지구

Travel/Geography

지구 반대편 여행
지구 한 바퀴
지구상에서 가장 큰
지구본 찾기

Social Studies

지구촌 공동체
지구적 이슈
지구촌 식구
지구 시민

Sci-Fi Movies

지구 침공
지구를 구하라
지구인과 외계인
지구 멸망

对话开场白

"지구 온난화에 대해 어떻게 생각하세요? (What do you think about global warming?)"

"지구 반대편으로 여행을 가본 적이 있나요? (Have you ever traveled to the other side of the Earth?)"

"지구에서 가장 아름다운 곳은 어디라고 생각하세요? (Where do you think is the most beautiful place on Earth?)"

"우리가 지구를 위해 할 수 있는 일은 무엇일까요? (What can we do for the Earth?)"

"지구 말고 다른 행성에 생명체가 있을까요? (Do you think there is life on planets other than Earth?)"

日记主题

내가 지구를 위해 매일 실천하고 있는 작은 습관들에 대해 써보세요. (Write about small habits you practice daily for the Earth.)

만약 지구 밖에서 지구를 본다면 어떤 기분일지 상상해 보세요. (Imagine how you would feel looking at Earth from outer space.)

지구 온난화가 내 삶에 어떤 영향을 미치고 있는지 적어보세요. (Write about how global warming is affecting your life.)

100년 후의 지구는 어떤 모습일지 묘사해 보세요. (Describe what Earth will look like 100 years from now.)

지구촌의 일원으로서 내가 가져야 할 책임감에 대해 써보세요. (Write about the responsibility you should have as a member of the global village.)

常见问题

10 个问题

지구 refers to the physical planet Earth (scientific). 세상 refers to the 'world' as in the life we live, our society, and experiences. For example, '지구는 둥글다' (The Earth is round) vs '세상은 넓다' (The world is wide/full of experiences).

No, you should use '땅' (ground) or '바닥' (floor). '지구' always refers to the entire planet. Saying '지구에 앉으세요' would sound like you want someone to sit on the planet from space.

Yes, '지구촌' (global village) is very common in Korean schools and news to emphasize how connected the modern world is.

It means 'Global Warming.' '온난화' means warming. It is a very frequent term in Korean media.

You can say '지구에서' (on Earth - locative) or '지구상에' (on the face of the Earth). For example, '지구에서 가장 큰 동물' (The biggest animal on Earth).

The native word '누리' means world, but '지구' (Sino-Korean) is the standard and only word used for the planet Earth in a scientific sense.

It is '지구의 날' (Jigu-ui Nal).

It's similar but softer. In Korean, 'ㅈ' is an unaspirated affricate, closer to the 'j' in 'jeep' but with less breath.

Yes, '지구' (地區) can also mean a 'district,' 'zone,' or 'area' in administrative terms. You can tell the difference by context (e.g., 'commercial district' vs 'planet Earth').

Yes, '지구를 구하다' (Save the Earth) or '지구를 지키다' (Protect the Earth) are both common.

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