JLPT N2
流域
流域 is all the land that drains into a particular river.
Readings
Noun
"River Basin" / "Watershed"
The entire area of land where all rainfall and smaller streams flow into a single, larger river. Think of it as a river’s “catchment area.”
Example
この 川 の 流域 は 、 豊か な 自然 に 恵まれて いる 。
This river's basin is blessed with abundant nature.
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