名词
中文翻译：堆砌
同义词：
['heap', 'stack', 'pile up例句：1. The workers were busy piling up the sand for the construction site.（工人们忙着把沙子堆在工地上。）']
例句：
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1. The workers were busy piling up the sand for the construction site.
工人们忙着把沙子堆在工地上。
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2.The pile of books on the table was too heavy to lift.
桌子上那堆书太重了，搬不动。
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3.The farmer piled up his crops in the field.
农民把庄稼堆在田里。