名词
中文翻译：Unknown
同义词：
['sandstone concrete', 'sand-gravel concrete例句：1. The construction crew used sand and gravel concrete to build the foundation of the new hospital.（建筑队使用沙石混凝土来建造新医院的地基。）']
例句：
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1. The construction crew used sand and gravel concrete to build the foundation of the new hospital.
建筑队使用沙石混凝土来建造新医院的地基。
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2. The engineer designed a sand and gravel concrete wall for the building's exterior.
工程师设计了沙石混凝土墙作为建筑物的外墙。
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3.The sand and gravel concrete was poured into the molds quickly, forming a solid structure.
沙石混凝土迅速被倒入模具中，形成了一个坚固的结构。