supply water to (land or crops) to help growth, typically by means of channels
灌溉。
(of a river or stream)supply (land) with water
(河流溪水)浇灌。
〈喻〉 使清新;滋润;丰富
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wine irrigated the vast areas of his knowledge .美酒丰富了他的知识。
【医】 冲洗(器官或伤口)。
"early 17th cent.: from Latin