动词 cascade:

1. rush down in big quantities, like a cascade

2. arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible

cascaden.瀑布；[电]串联v.瀑布似地落下；（将 ... ）连结；串联cascade tube级联管cascade axis叶栅轴线cascade test叶栅试验cascade pump级联泵cascade tank阶式水箱cascade wake叶栅尾流cascade flow阶式流动cascade list串接表,级联表cascade unit辐射长度cascaded tax阶式税,汇集增值税