A1 noun 正式 #3,650 最常用

河川

kasen /ka.seɴ/

A formal and technical term referring to rivers and streams as a whole. It is primarily used in administrative, geographical, and news contexts to describe waterways and their management.

例句

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1

この地域には多くの河川があります。

There are many rivers in this region.

2

大雨の影響で、河川が氾濫する恐れがあります。

Due to heavy rain, there is a risk that the rivers will overflow.

3

あの河川敷でバーベキューをしよう。

Let's have a barbecue on that riverbed.

词族

名词
河川
相关
河川法
💡

记忆技巧

Visualize two kanji for water: 河 (big river) and 川 (three lines of flowing water) joining together to form a formal 'River System'.

快速测验

ニュースで「___の増水に注意してください」と言っていました。

正确!

正确答案是: 河川

例句

1

この地域には多くの河川があります。

everyday

There are many rivers in this region.

2

大雨の影響で、河川が氾濫する恐れがあります。

formal

Due to heavy rain, there is a risk that the rivers will overflow.

3

あの河川敷でバーベキューをしよう。

informal

Let's have a barbecue on that riverbed.

4

日本の主要な河川の長さを比較する。

academic

Compare the lengths of Japan's major rivers.

5

河川改修工事の契約を締結した。

business

We concluded a contract for river improvement works.

词族

名词
河川
相关
河川法

常见搭配

一級河川 First-class river (major river system)
河川敷 Riverbed / Riverside park
河川の増水 Rising river levels
河川汚染 River pollution
河川管理 River management

常用短语

河川の氾濫

River flooding

河川改修

River improvement/rehabilitation

河川愛護

River protection/conservation

容易混淆的词

河川 vs

川 (kawa) is the general, everyday word for a river, while 河川 (kasen) is the technical or formal term used in news and documents.

📝

使用说明

Use 河川 when reading news reports, weather warnings, or studying geography. In daily conversation about going to the water, use 川 (kawa) instead.

⚠️

常见错误

Learners often use this word in casual speech where it sounds overly robotic or like a news reporter.

💡

记忆技巧

Visualize two kanji for water: 河 (big river) and 川 (three lines of flowing water) joining together to form a formal 'River System'.

📖

词源

Sinitic compound of 'ka' (large river/Yellow River style) and 'sen' (stream/three-lined river).

语法模式

Used as a common noun Takes the particle 'の' to describe related concepts (e.g., 河川の浄化)
🌍

文化背景

Japan's mountainous geography means its 河川 (rivers) are typically short and fast-flowing compared to continental rivers.

快速测验

ニュースで「___の増水に注意してください」と言っていました。

正确!

正确答案是: 河川

相关词

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