A1 noun 中性 #2,783 最常用

感染

kansen /kaɰ̃seɴ/

Infection refers to the process where viruses or bacteria enter the body and multiply. It is also used metaphorically for the spread of emotions, computer viruses, or habits.

例句

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1

風邪の感染を防ぐために、毎日手を洗います。

I wash my hands every day to prevent cold infection.

2

ウイルス感染拡大の影響で、イベントは中止になりました。

The event was canceled due to the spread of the viral infection.

3

あいつのあくび、すぐに感染するから面白いよね。

It's funny how his yawns are so infectious.

词族

名词
感染
Verb
感染する
相关
感染症
💡

记忆技巧

Think of the kanji: 感 (kan - feeling/influence) and 染 (sen - dye/stain). An infection 'stains' your body with the 'influence' of a virus.

快速测验

冬はインフルエンザの___が広がりやすい季節です。

正确!

正确答案是: 感染

例句

1

風邪の感染を防ぐために、毎日手を洗います。

everyday

I wash my hands every day to prevent cold infection.

2

ウイルス感染拡大の影響で、イベントは中止になりました。

formal

The event was canceled due to the spread of the viral infection.

3

あいつのあくび、すぐに感染するから面白いよね。

informal

It's funny how his yawns are so infectious.

4

この論文は、特定の細菌による感染経路を研究している。

academic

This paper investigates the infection routes of specific bacteria.

5

社内での集団感染を防ぐため、リモートワークを推奨します。

business

We recommend remote work to prevent mass infection within the company.

词族

名词
感染
Verb
感染する
相关
感染症

常见搭配

感染経路 infection route
二次感染 secondary infection
感染対策 infection control measures
感染者数 number of infected people
院内感染 hospital-acquired infection

常用短语

感染力が強い

highly infectious / strong infectivity

感染を広げる

to spread an infection

コンピューター感染

computer virus infection

容易混淆的词

感染 vs 伝染

Densen specifically emphasizes the spread from one person/animal to another, while kansen is the general biological process of being infected.

感染 vs 汚染

Ousen refers to environmental pollution or contamination of objects, rather than biological infection of a living host.

📝

使用说明

Kansen is a versatile word used for medical, digital (computers), and social (emotions/habits) contexts. It is frequently turned into a verb by adding 'suru'.

⚠️

常见错误

Learners often use 'kansen' for general pollution (like air pollution), but 'ousen' should be used instead. Also, remember to use the particle 'ni' for the source (e.g., virus ni kansen suru).

💡

记忆技巧

Think of the kanji: 感 (kan - feeling/influence) and 染 (sen - dye/stain). An infection 'stains' your body with the 'influence' of a virus.

📖

词源

Derived from Middle Chinese, where 'kan' means to move or influence, and 'sen' means to dye or catch. Together they mean 'to be influenced and stained.'

语法模式

Noun + に感染する (to be infected with...) Noun + からの感染 (infection from...)
🌍

文化背景

In Japan, wearing masks is a common social etiquette for 'kansen yobou' (infection prevention), even before the COVID-19 pandemic.

快速测验

冬はインフルエンザの___が広がりやすい季節です。

正确!

正确答案是: 感染

相关词

協力

A1

Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.

提案

A1

A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.

輸出

A1

The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.

輸入

A1

The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.

資源

A1

Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.

保護

A1

The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.

観察

A1

Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.

競争

A1

Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.

拡大

A1

The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).

製造

A1

The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.

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