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B2 noun 10 min read

采光

caiguang
Examples 采光 in 30 Seconds
Explanation 采光 in your Level:
At the A1 level, you only need to know that '采光' (cǎiguāng) means 'natural light' in a room. Think of it as 'sunlight in the house.' You will mostly use it with simple words like '好' (good) or '不' (not). For example, '这个房间采光好' means 'This room has good natural light.' It is an important word if you are looking for a place to live or describing your home to a friend. Just remember: it's about windows and the sun, not about lamps.
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At the A2 level, you can start using '采光' to describe your living environment in more detail. You might use it when talking about renting an apartment. You can say '我喜欢采光好的房子' (I like houses with good natural light). You will also learn that '采光' is a noun. You can combine it with '怎么样' (how is it?) to ask a question: '那间卧室的采光怎么样？' (How is the natural light in that bedroom?). It's a key word for basic daily life and housing topics.
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At the B1 level, you should understand that '采光' is a specific architectural quality. You can use it to compare different rooms or buildings. For example, '虽然这个房子很旧，但是采光比那间新房子好' (Although this house is old, the natural light is better than that new one). You might also start to see it in descriptions of offices or schools. You should be able to use adverbs like '非常' (very) or '特别' (especially) to modify the quality of the '采光'.
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At the B2 level, '采光' is used in more professional and nuanced ways. You will understand terms like '采光不足' (insufficient natural light) or '改善采光' (improve the natural lighting). You can discuss the impact of '采光' on a person's health or work efficiency. You should also be able to distinguish '采光' from '照明' (artificial lighting) and '阳光' (sunlight). You might encounter this word in articles about urban planning or interior design, and you should be comfortable using it as a formal noun in a variety of contexts.
At the C1 level, you should be familiar with the legal and technical aspects of '采光'. This includes the '采光权' (right to light), which is a common topic in legal disputes between neighbors in China. You can discuss how high-rise buildings affect the '采光' of older neighborhoods. You should also be able to use the word in abstract or literary contexts, perhaps discussing how '采光' affects the '氛围' (atmosphere) of a historical building. Your vocabulary should include related technical terms like '采光系数' (daylighting factor).
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At the C2 level, you can use '采光' with total fluency in any context, from architectural criticism to philosophical discussions about the role of light in human life. You can analyze how '采光' reflects cultural values in different types of architecture, such as traditional Chinese courtyard houses (Siheyuan) versus modern glass skyscrapers. You can effortlessly use the word in complex sentence structures and understand its subtle implications in high-level academic or professional discourse regarding environmental psychology and sustainable design.
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Examples

采光 in 30 Seconds

  • 采光 refers to the natural light entering a building through windows.
  • It is a key word in Chinese real estate and architecture.
  • Commonly paired with adjectives like '好' (good) or '差' (poor).
  • It differs from '照明' (artificial light) and '阳光' (the sun itself).

The Chinese term 采光 (cǎiguāng) is a specialized yet ubiquitous noun used to describe the introduction and utilization of natural light into an interior space. Unlike the general term for light, 光 (guāng), or the term for artificial illumination, 照明 (zhàomíng), 采光 specifically focuses on the architectural quality of daylighting. It refers to how much sunlight a room receives through windows, skylights, or other openings. In the context of Chinese real estate and urban living, this is one of the most critical factors in determining property value and quality of life.

Etymological Breakdown
The character 采 (cǎi) means 'to collect,' 'to gather,' or 'to pick.' The character 光 (guāng) means 'light.' Together, they literally translate to 'collecting light,' suggesting an active architectural effort to capture the sun's rays for the benefit of the occupants.

People use this word most frequently when discussing housing. In China's densely populated cities, high-rise buildings often shade one another, making 'good natural light' (采光好) a premium feature. It is not just about brightness; it is about the health benefits of Vitamin D, the psychological warmth of the sun, and the energy efficiency gained by not needing electric lights during the day. When you visit a friend's new apartment, one of the first compliments you might offer is about the 采光. Conversely, a basement or a room facing a narrow alleyway would be described as having 采光差 (poor natural light).

因为这间房子的窗户很大，所以采光非常棒，即使在冬天也很暖和。

Beyond residential contexts, 采光 is a technical term in architecture and interior design. Architects must calculate the 'daylighting ratio' to ensure that public buildings like schools and hospitals meet national standards. It also appears in the context of photography and art, where the 'capture of light' is essential for creating depth and mood. However, in everyday conversation, if you hear someone talking about 采光, they are almost certainly talking about their home or office environment.

Professional Usage
In urban planning, '采光权' (cǎiguāngquán) refers to the 'right to light.' This is a legal concept where homeowners can sue if a new building is constructed so close that it blocks their established access to sunlight.

In summary, 采光 is a bridge between the physical world of sunlight and the human-made world of architecture. It represents the value we place on nature within our indoor lives. Whether you are a student describing your dorm room or a professional architect designing a skyscraper, mastering this word allows you to discuss the fundamental quality of any physical space.

办公室的采光设计直接影响到员工的工作效率和心情。

Common Collocations
采光不足 (Insufficient light), 采光面积 (Lighting area), 采光井 (Light well), 采光良好 (Well-lit).

Using 采光 (cǎiguāng) correctly requires understanding that it functions as a noun, typically as the subject or object of a sentence describing the attributes of a building or room. It is rarely used as a verb in modern colloquial Chinese, though its components suggest 'gathering light.' Most often, it is paired with adjectives like 好 (hǎo - good), 差 (chà - poor), 足 (zú - sufficient), or 棒 (bàng - excellent).

这套公寓虽然面积不大，但采光极佳，每个房间都亮堂堂的。

When you want to describe the *reason* for good or bad lighting, you can link 采光 to architectural features. For instance, you might say, 'Because the building faces south, the 采光 is very good.' In Chinese, this would be: 因为房子朝南，所以采光很好。 Note how 采光 stands alone as the noun representing the state of natural illumination.

Structure: Subject + [Adverb] + Adjective
The most common pattern is: [Place] + 的 + 采光 + [Adverb] + [Adjective]. Example: 客厅的采光非常充足 (The living room's natural light is very sufficient).

In more formal or technical contexts, 采光 can be used as a modifier for other nouns, creating compound terms. For example, 采光窗 (daylighting window) or 采光板 (translucent panel). If you are discussing the renovation of a house, you might say you want to 'improve the lighting' (改善采光). Here, 改善 (gǎishàn) is the verb, and 采光 is the direct object.

设计师通过增加天窗的方法，显著提升了地下室的采光效果。

In literary or descriptive writing, 采光 can be used to set a mood. A room with 'soft lighting' (采光柔和) suggests a peaceful, comfortable atmosphere, while 'insufficient lighting' (采光不足) might evoke a sense of gloom or dampness. It is also common to see it in real estate advertisements where it is listed as a 'selling point' (卖点).

Advanced Pattern: Verb + 采光
影响采光 (To affect/block the lighting), 保证采光 (To guarantee/ensure lighting), 遮挡采光 (To obstruct the lighting).

Finally, consider the negative impact. If a neighbor builds a wall that blocks your sun, you would say: 他的新围墙遮挡了我们家的采光。 (His new wall blocks our home's natural light). This highlights how 采光 is viewed as a resource or an asset that one possesses or lacks.

You will encounter 采光 (cǎiguāng) in several distinct environments in China. The most common is the **Real Estate Market**. Whether you are looking at apps like Lianjia (链家) or walking into a sales center, the phrase '南北通透，采光极佳' (North-south transparency, excellent natural lighting) is the gold standard for apartment descriptions. Agents will point to the windows and emphasize how many hours of sun the room gets, often using 采光 as a synonym for the livability of the space.

中介向客户介绍说：“这间卧室朝南，采光是这一层楼里最好的。”

Another common setting is **Interior Design and Renovation**. When homeowners meet with designers, a top priority is often 'how to maximize light.' You might hear a designer say, 'We should use glass partitions to avoid blocking the 采光.' In this context, it’s a functional requirement. They might also discuss 采光井 (light wells) for townhouses or villas that have deep floor plans where the center would otherwise be dark.

In **Legal and Neighborhood Disputes**, 采光 becomes a serious topic. In many Chinese cities, there are strict 'sunlight standards' (采光标准). If a new skyscraper is built and it reduces the sunlight in an existing older building to less than, say, two hours a day in winter, the residents will often organize to protect their 采光权 (right to light). You might see news reports about '采光纠纷' (lighting disputes) in local newspapers or on social media.

Daily Conversations
Friends visiting a new home: '你家采光真好，太阳晒进来真舒服！' (Your home has great natural light, it's so comfortable with the sun shining in!)

You will also hear it in **Workplace Discussions**. Modern office culture emphasizes 'biophilic design,' and managers might discuss moving desks closer to the windows to improve the 采光 for employees. If an office is in the 'core' of a building without windows, employees will complain that the 采光 is terrible and they feel disconnected from the outside world. Schools also prioritize 采光 in classrooms to protect students' eyesight, a major public health concern in China.

为了保护视力，学校在建设时非常注重教室的采光标准。

Lastly, in **Botany and Gardening**, if you are buying indoor plants, the shopkeeper might ask about the 采光 in your home. '这盆花需要充足的采光' (This plant needs sufficient natural light). This shows how the word transcends just buildings and applies to any environment where sunlight is a factor.

While 采光 (cǎiguāng) seems straightforward, learners often make subtle errors by confusing it with related words or using it in the wrong grammatical category. The most frequent mistake is confusing 采光 with 照明 (zhàomíng). Remember: 采光 is exclusively for natural sunlight coming through openings, while 照明 refers to artificial light from lamps or the general act of providing light to a space.

Mistake 1: The 'Light Bulb' Error
Incorrect: 这个台灯的采光很好。(This desk lamp's natural lighting is good.)
Correct: 这个台灯的照明效果很好。(This desk lamp's illumination effect is good.)

Another common error involves confusing 采光 with 阳光 (yángguāng). 阳光 is the physical 'sunlight' itself—the rays of the sun. 采光 is the *architectural condition* of receiving that light. You can 'enjoy the sunlight' (享受阳光), but you describe a house as having 'good natural lighting' (采光好). You wouldn't say 'I am sitting in the 采光,' you would say 'I am sitting in the 阳光.'

错误：他在阳台上晒采光。
正确：他在阳台上晒太阳。

Learners also sometimes try to use 采光 as a verb, like 'to light a room.' While the characters literally mean 'collect light,' in modern Chinese, it is almost exclusively a noun. If you want to say 'to improve the lighting,' you must use a verb-object construction like 改善采光 or 增加采光. Saying '我要采光这个房间' is grammatically incorrect.

Mistake 2: Confusing with '光线' (guāngxiàn)
光线 refers to 'light rays' or the general 'lighting' in a photo or room (can be natural or artificial). 采光 is the *system* or *capacity* for natural light. If a room is dark right now because it's cloudy, you'd say '光线很暗.' If the room is dark because it has no windows, you'd say '采光不好.'

Finally, watch out for the adjective 'bright' (明亮). A room with good 采光 is usually 明亮, but they are not the same word. 采光 is the cause; 明亮 is the result. Avoid saying '这个采光很明亮' (This natural lighting is very bright). Instead, say '采光很好，房间很明亮' (The natural lighting is good, so the room is very bright).

To truly master 采光 (cǎiguāng), it helps to compare it with its synonyms and related terms. Each has a specific nuance that changes depending on the context of light, architecture, or environment.

1. 照明 (zhàomíng) - Illumination/Artificial Lighting
As discussed, 照明 is the broader term for providing light, especially via electricity. While 采光 is a gift from nature, 照明 is a product of technology. You talk about 'street lighting' (路灯照明) or 'indoor lighting design' (室内照明设计).
2. 光线 (guāngxiàn) - Light Rays/General Light
光线 is more descriptive of the quality or direction of light at a specific moment. You might say 'the light rays are too strong' (光线太强) when you are squinting. 采光 describes the permanent capability of a building to receive light.

比较：
1. 这间房子的采光很好。(The design allows for lots of natural light.)
2. 现在的光线很适合拍照。(The current light is great for taking photos.)

3. 日照 (rìzhào) - Sunshine/Insolation
日照 is a more scientific or meteorological term. It refers to the actual duration or intensity of sunshine hitting a surface. In real estate, '日照时间' (sunshine duration) is a technical metric used alongside 采光. While 采光 is about the interior experience, 日照 is about the external astronomical reality.
4. 通透 (tōngtòu) - Transparent/Airy/Bright
This is an adjective often paired with 采光. A space that is 通透 has a good flow of both light and air. It suggests that there are no obstacles blocking the view or the light from one side of the building to the other.

In summary, while there are many ways to talk about light, 采光 remains the most precise and culturally significant term for natural light within the built environment. Understanding these distinctions will help you sound more like a native speaker, especially when discussing topics related to home and lifestyle.

Pronunciation Guide

UK /tsʰaɪ³⁵ kʊ̯ɑŋ⁵⁵/
US /tsʰaɪ³⁵ kʊ̯ɑŋ⁵⁵/
The emphasis is usually balanced between both syllables, though the high-level first tone of 'guang' can make it sound slightly more prominent.
Rhymes With
日光 (rìguāng) 月光 (yuèguāng) 目光 (mùguāng) 反光 (fǎnguāng) 灯光
Common Errors
  • Pronouncing 'cǎi' as 'zǎi' (forgetting the aspiration).
  • Pronouncing 'guāng' in the fourth tone instead of the first tone.
  • Confusing 'cǎi' with 'cài' (food/vegetable).
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Examples by Level

1

房间采光好。

The room has good natural light.

Simple Subject + Noun + Adjective structure.

2

我不喜欢采光差的房子。

I don't like houses with poor natural light.

Using '差' (poor) to describe the noun.

3

这里的采光怎么样？

How is the natural light here?

Asking a question with '怎么样'.

4

这间卧室采光很棒。

This bedroom has great natural light.

Using '很棒' (great) for emphasis.

5

大窗户采光好。

Big windows give good natural light.

Linking a feature (big window) to the result (good light).

6

我的办公室采光不好。

My office doesn't have good natural light.

Negative form '不好'.

7

采光很重要。

Natural light is very important.

Using the noun as a subject.

8

你看，采光多好！

Look, how good the natural light is!

Exclamatory sentence using '多'.

1

我想租一间采光好的卧室。

I want to rent a bedroom with good natural light.

Using '采光好的' as an adjective phrase to modify '卧室'.

2

因为有阳台，所以采光很好。

Because there is a balcony, the natural light is very good.

Using '因为...所以...' to explain the cause.

3

客厅的采光比厨房好。

The living room's natural light is better than the kitchen's.

Comparative structure 'A 比 B + Adjective'.

4

这间房子的采光充足吗？

Is the natural light in this house sufficient?

Using '充足' (sufficient) in a question.

5

虽然房子小，但是采光不错。

Although the house is small, the natural light is not bad.

Using '虽然...但是...' for contrast.

6

南边的房间采光通常更好。

Rooms on the south side usually have better natural light.

Using '通常' (usually) to describe a general rule.

7

采光不好的地方容易潮湿。

Places with poor natural light get damp easily.

Complex subject '采光不好的地方'.

8

你可以看看这间房子的采光。

You can take a look at the natural light in this house.

Using '看看' (take a look) with the noun.

1

为了改善采光，我们换了大窗户。

To improve the natural light, we changed to larger windows.

Using '改善' (to improve) as a verb with '采光'.

2

这栋大楼的设计非常注重采光。

The design of this building pays great attention to natural lighting.

Using '注重' (to pay attention to) with the noun.

3

采光不足可能会影响你的心情。

Insufficient natural light might affect your mood.

Using '不足' (insufficient) and '影响' (to affect).

4

这里的采光面积达到了国家标准。

The lighting area here has reached the national standard.

Technical term '采光面积' (lighting area).

5

这种植物需要良好的采光环境。

This kind of plant needs a good natural light environment.

Using '采光环境' as a compound noun.

6

如果前面有高楼，采光就会受影响。

If there's a tall building in front, the natural light will be affected.

Conditional '如果...就...' with passive '受影响'.

7

设计师通过采光井让地下室变亮了。

The designer brightened the basement through a light well.

Using the specific term '采光井' (light well).

8

采光好的办公室能提高工作效率。

An office with good natural light can improve work efficiency.

Using the noun phrase as a complex subject.

1

高层建筑的阴影严重遮挡了底层住户的采光。

The shadows of high-rise buildings severely block the natural light of ground-floor residents.

Using '遮挡' (to block/obstruct) in a formal context.

2

在购买二手房时，一定要实地考察采光情况。

When buying a second-hand house, you must inspect the natural lighting situation on-site.

Using '采光情况' (lighting situation) as a formal term.

3

这套房子的采光效果超出了我的预期。

The natural lighting effect of this house exceeded my expectations.

Using '超出...预期' (exceed expectations).

4

由于地理位置的原因，这间房子的采光时间较短。

Due to its geographical location, this house has a shorter duration of natural light.

Using '由于' (due to) and '较短' (relatively short).

5

设计师利用反射原理来增强室内的采光。

The designer uses the principle of reflection to enhance indoor natural lighting.

Using '增强' (to enhance) and '利用' (to utilize).

6

采光权纠纷在城市中变得越来越普遍。

Disputes over the right to light are becoming increasingly common in cities.

Using the legal term '采光权' (right to light).

7

这间画室的采光非常柔和，适合创作。

The natural light in this studio is very soft, suitable for creation.

Using '柔和' (soft) to describe the quality of light.

8

合理的采光设计可以大幅降低建筑的能耗。

Reasonable daylighting design can significantly reduce a building's energy consumption.

Academic tone using '降低' (reduce) and '能耗' (energy consumption).

1

法律明确规定了新建建筑不得侵害相邻建筑的采光权。

The law clearly stipulates that new buildings must not infringe upon the right to light of adjacent buildings.

Highly formal legal language: '明确规定' and '侵害'.

2

该建筑采用了先进的导光系统以解决核心区域的采光问题。

The building adopts an advanced light guidance system to solve lighting issues in the core area.

Technical architectural vocabulary: '导光系统' and '核心区域'.

3

采光系数是衡量建筑内部自然光线水平的重要指标。

The daylighting factor is an important indicator for measuring the level of natural light inside a building.

Scientific definition structure: '...是衡量...的重要指标'.

4

设计师巧妙地利用中庭结构，实现了全方位的自然采光。

The designer cleverly used the atrium structure to achieve all-around natural lighting.

Describing architectural skill: '巧妙地利用' and '实现'.

5

过度的采光可能导致室内温度过高，增加空调负荷。

Excessive natural lighting may lead to high indoor temperatures and increase the air conditioning load.

Discussing trade-offs: '过度' and '负荷'.

6

在老城区改造中，如何保证底层住户的采光是一大难题。

In the renovation of old urban areas, how to ensure the natural light of ground-floor residents is a major challenge.

Topic-comment structure regarding urban planning.

7

这种玻璃幕墙既能保证采光，又能起到隔热的作用。

This kind of glass curtain wall can both ensure natural light and serve as thermal insulation.

Using '既能...又能...' to list multiple functions.

8

光影的变换赋予了这间建筑独特的采光美学。

The transformation of light and shadow endows this building with a unique daylighting aesthetic.

Literary/Artistic use: '赋予' (endow) and '美学' (aesthetic).

1

建筑师通过对采光逻辑的深度重构，打破了传统封闭空间的沉闷感。

Through a deep reconstruction of daylighting logic, the architect broke the dullness of traditional enclosed spaces.

Philosophical architectural analysis: '深度重构' and '沉闷感'.

2

采光权不仅是法律问题，更是关乎居住尊严与身心健康的社会正义问题。

The right to light is not only a legal issue but also a matter of social justice concerning living dignity and physical/mental health.

Sociological commentary: '不仅是...更是...' and '关乎'.

3

在极简主义建筑中，采光往往被视为一种无形的建筑材料。

In minimalist architecture, natural lighting is often regarded as an invisible building material.

Metaphorical usage: '视为' (regarded as).

4

古代工匠通过天井的设计，完美解决了深宅大院的采光与通风需求。

Ancient craftsmen perfectly solved the lighting and ventilation needs of deep courtyard houses through the design of skylights (tianjing).

Historical technical analysis: '深宅大院' and '天井'.

5

采光设计的精髓在于对光线强度、色温以及阴影比例的精准掌控。

The essence of daylighting design lies in the precise control of light intensity, color temperature, and shadow proportions.

Expert-level definition: '精髓在于' and '精准掌控'.

6

由于建筑间距不足，该社区的采光补偿协议引发了广泛的社会关注。

Due to insufficient building spacing, the lighting compensation agreement in that community sparked widespread social attention.

Complex noun phrases: '采光补偿协议' and '社会关注'.

7

通过对采光路径的模拟计算，设计师优化了整个博物馆的展陈环境。

By simulating daylighting paths, the designer optimized the exhibition environment of the entire museum.

Technical process description: '模拟计算' and '优化'.

8

采光不再仅仅是功能性需求，它已演变为一种空间叙事的表达方式。

Daylighting is no longer just a functional requirement; it has evolved into an expression of spatial narrative.

Abstract theoretical statement: '演变为' and '空间叙事'.

Common Collocations

采光良好
采光不足
采光面积
采光效果
采光井
影响采光
改善采光
自然采光
采光系数
保证采光

Common Phrases

采光极佳

— Excellent natural lighting. Often used in real estate ads.

这套顶层公寓采光极佳。

采光权

— The legal right to receive natural light in one's property.

邻居的新房侵犯了我的采光权。

采光设计

— The design strategy for incorporating natural light.

优秀的采光设计能让空间更有活力。

采光不好

— Poor natural lighting; a very common daily phrase.

这间屋子采光不好，有点冷。

采光充足

— Sufficient natural light.

客厅采光充足，非常适合阅读。

遮挡采光

— To block or obstruct the natural light.

那棵大树遮挡了二楼的采光。

采光条件

— Lighting conditions of a space.

我们要改善这间教室的采光条件。

辅助采光

— Supplementary lighting, usually referring to light wells or mirrors.

地下室需要一些辅助采光设施。

采光面

— The side or surface of a building that receives light.

这套房子的主采光面朝南。

采光顶

— A glass or transparent roof for daylighting.

商场中央有一个巨大的玻璃采光顶。

Idioms & Expressions

"向阳花木"

— Plants facing the sun; metaphorically refers to people in a favorable position.

向阳花木早逢春，采光好的地方植物总是长得快。

Literary
"豁然开朗"

— To suddenly see a wide, bright view; often used when entering a well-lit space.

走进这间采光极佳的客厅，顿时觉得豁然开朗。

General
"借光"

— To borrow light; a polite way to say 'excuse me' or to ask for help.

借光，请让一下。(Not directly related to architectural lighting, but uses the same 'light' concept.)

Informal
"光彩夺目"

— Dazzlingly bright and colorful.

在充足的采光下，这些珠宝显得光彩夺目。

Descriptive
"明窗净几"

— Bright windows and clean tables; describing a tidy and well-lit study or room.

这间书房明窗净几，采光极好，是读书的好地方。

Literary
"暗无天日"

— Total darkness (often metaphorical for corruption or misery).

那间地下室采光极差，简直暗无天日。

General
"珠光宝气"

— Adorned with jewels; reflecting light brilliantly.

展示柜的采光设计突出了展品的珠光宝气。

Descriptive
"灯火辉煌"

— Brilliantly lit (by lamps). Used as a contrast to 采光.

白天靠采光，晚上则是灯火辉煌。

Descriptive
"流光溢彩"

— Flowing light and overflowing colors.

阳光透过彩绘玻璃，室内流光溢彩，采光设计极具艺术感。

Literary
"凿壁借光"

— To bore a hole in the wall to steal light; describes someone studying hard despite poverty.

古人凿壁借光是为了读书，可见采光对学习的重要性。

Historical
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