名词
中文翻译：石灰石
同义词：
['limestone', 'calcite']
例句：
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1.The limestone quarry is located in the mountains.
石灰石采石场位于山区。
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2. The limestone formation has been dated back to the Cretaceous period.
石灰岩层可追溯到白垩纪时期。
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3. The limestone caverns are home to a variety of colorful mosses and lichens.
石灰岩洞穴内生长着各种色彩斑斓的苔藓和地衣。