动词
中文翻译：堆积
同义词：
['heap', 'stack', 'pile up']
例句：
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1. The workers were busy piling bricks for the new building.
工人们忙着为新大楼堆砌砖块。
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2. The boxes are piling up on the floor.
箱子们正堆积在地板上。
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3. The children were playing with their toys, piling them up in a tower.
孩子们正在和他们的小玩具玩耍，把它们堆成塔。