名词
中文翻译：Unknown
同义词：
['1. mound', 'hillock', 'knoll2. mound', 'mound', 'mound']
例句：
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3. mound, mound, mound例句：1. The farmer has built a mound of earth to mark his land.
农民已经筑起了一个土堆来标记他的土地。
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2. The old man used to live on a mound overlooking the sea.
那位老人以前住在一个俯瞰大海的土堆上。
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3. The construction workers have been working on a mound for several days now.
建筑工人已经在土堆上工作了好几天了。