名词
中文翻译：土块
同义词：
['mud', 'earthen mound', 'lump of dirt']
例句：
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1. The farmer had to dig a tuff for the new well.
农民不得不挖一个土墩来建新的井。
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2. The children played on the muddy tuff by the river.
孩子们在河边的泥泞土墩上玩耍。
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3. The construction crew was working on a large tuff for the road.
施工队正在为道路挖掘一个大土墩。