the practice of supplying water to an area of land through pipes or channels so that crops will grow 灌溉 irrigation channels 灌溉渠 Irrigation has increased the area of cultivable land. 灌溉增加了可耕地的面积。
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medical )医学 the process of washing out a wound or part of the body with a flow of water or liquid 冲洗(伤口或身体部位) colonic irrigation 结肠灌洗