名词
中文翻译：化石石灰石
同义词：
['limestone', 'limestone fossils例句：1. The ancient city is covered in layers of fossilized shells and bones.（这个古城被层层的化石壳和骨头覆盖着。）']
例句：
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1. The ancient city is covered in layers of fossilized shells and bones.
这个古城被层层的化石壳和骨头覆盖着。
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2. The team spent hours excavating the site to find evidence of early human life.
团队花费了数小时挖掘现场，寻找早期人类生活的证据。
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3. The discovery of these ancient creatures has sparked a renewed interest in paleontology.
这些古代生物的发现重新点燃了人们对古生物学的兴趣。