irrigation
 灌溉,沖洗


 ir·ri·ga·tion /ˌɪrəˈgeʃən/ 名詞
 沖洗,灌洗,灌洗劑,沖洗法


 Ir·ri·ga·tion n.  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.

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 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


 Irrigation
    As streams were few in Palestine, water was generally stored up
    in winter in reservoirs, and distributed through gardens in
    numerous rills, which could easily be turned or diverted by the
    foot (Deut. 11:10).

      For purposes of irrigation, water was raised from streams or
    pools by water-wheels, or by a shaduf, commonly used on the
    banks of the Nile to the present day.