名词
中文翻译：堆
同义词：
['heap', 'stack', 'mound', 'pile up']
例句：
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1. The old books are scattered on the floor, forming a big heap.
旧书散落在地上，形成了一个大堆。
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2. The workers were busy stacking the boxes in the warehouse.
工人们忙着把箱子堆在仓库里。
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3. The snow was piled high on the roof, blocking the sunlight.
雪堆在屋顶上，挡住了阳光。