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English definition of “drainage basin”

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drainage basin

noun [C] uk   specialized us  
an area of land from which the rain flows into a particular river or lake, etc.
Translations of “drainage basin”
in Chinese (Traditional) 流域(由分水線所包圍的河流集水區)…
in Chinese (Simplified) 流域(由分水线所包围的河流集水区)…
(Definition of drainage basin from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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