cascadesn.叶棚；瀑布名词cascade的复数形式.cascaden.瀑布；[电]串联v.瀑布似地落下；（将 ... ）连结；串联Cascade crystals晶体级联cascade aeration多级跌水曝气法cascade matching叠加匹配cascade H bridge俘获者企业cascade refining梯两精炼cascade emission级联发射cascade solidity叶栅稠度cascade of water梯级用水cascade particle级联粒子cascade junction多级接合