资料来源 : pyDict

灌溉,冲洗

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Irrigation \Ir`ri*ga"tion\, n. [L. irrigatio: cf. F.
   irrigation.]
   The act or process of irrigating, or the state of being
   irrigated; especially, the operation of causing water to flow
   over lands, for nourishing plants.

资料来源 : WordNet®

irrigation
     n 1: supplying dry land with water by means of ditches etc
     2: (medicine) cleaning a wound or body organ by flushing or
        washing out with water or a medicated solution