“摞”怎么读

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那整整一摞东西动了一下后滑落下来，嘭的一声全掉到了地上。The entire pile shifted and slid, thumping onto the floor.床头桌和地板上有几摞书。There were stacks of books on the bedside table and floor.他抱着一摞小册子匆匆出去了。He hurried out with an armful of brochures....