名词
中文翻译：堆
同义词：
['heap', 'stack', 'mound例句：1. The pile of bookson the desk is too heavy to carry.（桌上的一堆书太重了，搬不动。）']
例句：
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1. The pile of bookson the desk is too heavy to carry.
桌上的一堆书太重了，搬不动。
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2. The farmer piled up the strawfor winter use.
农民把稻草堆起来准备过冬。
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3. The children were playing withtheir toys in the pile.
孩子们在玩具堆里玩耍。