堆叠

堆叠	duī dié	to pile up / to put layer upon layer / (Tw) (computing) stack
堆	duī	to pile up / to heap up / a mass / pile / heap / stack / large amount
叠	dié	variant of 叠
叠	dié	variant of 叠
叠	dié	to pile up / (bound form) repeated / to fold / classifier: stack, pile (of thin objects) / classifier for repeated sections in a musical composition