C (流域) 流域 liu2yu4
river valley/ river basin/ drainage area
Einzugsgebiet eines Flusses, Stromgebiet, (Fluß-) Tal

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Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

流 流 flow, circulate, drift / class
域 域 district, region, boundary / land

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from CC-CEDICT under a Creative Commons Attribution-Share Alike 3.0 License

流域' + 流域* * + river basin/ valley drainage a