cascade
名词 cascade:
a small waterfall or series of small waterfalls
a succession of stages or operations or processes or units
a sudden downpour (as of tears or sparks etc) likened to a rain shower
同义词:shower
动词 cascade:
rush down in big quantities, like a cascade
同义词:cascade down
arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible