water-supply

n (usu sing 通常作单数) (a) system of providing and storing water 给水（系统）. (b) amount of water stored for a town, district, building, etc （城镇、 地区、 建筑物等的）存水量.

water-fowl, water-hammer, water-hole, water-ice, water-jump, water-level, water-lily, water-line, water-main, water-meadow, water-melon, water-mill, water-pistol, water-power, water-rat, water-rate, water-ski, water-skiing, water-softener, water-spout, water-table, water-tight, water-tower, water-vapour, water-wheel, water-wings, watercourse, watercress, watered silk, waterfall, waterfront, watering-can, watering-place, waterless, waterlogged, Waterloo, waterman, watermark, waterproof, watershed,