[with obj.]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 ■(figurative)refresh or make fruitful (喻)使清新;滋润;丰富 wine irrigated the vast areas of his knowledge. 美酒丰富了他的知识。 ■(Medicine)apply a continuous flow of water or medication to (an organ or wound) (医)冲洗(器官或伤口)