名词
中文翻译：石灰
同义词：
['limestone', 'lime']
例句：
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1. The construction site needed a lot of lime to level the ground.
工地需要大量的石灰来平整地面。
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2. Lime is often used as a base for building materials.
石灰通常用作建筑材料的基础。
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3. The builders mixed lime with water to create mortar.
建筑工人将石灰与水混合制成砂浆。