名词
中文翻译：水泥
同义词：
['concrete', 'concrete mix', 'mortar']
例句：
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1. The construction site was covered ina layer of fresh cement.
施工现场覆盖着一层新鲜的水泥。
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2. The engineer mixed the rightamount of cement to ensure the structure's strength.
工程师混合了适量的水泥以确保结构强度。
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3. The builder used mortar to fill in the gaps betweenthe bricks.
建筑工人使用砂浆填补砖块之间的缝隙。