名词短语
中文翻译：一群洞穴
同义词：
['cluster of caves', 'group of caves']
例句：
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1.The gang of caves is a popular tourist attraction.
这个洞穴群是一个受欢迎的旅游景点。
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2. The caves are filled with stalactites and stalagmites.
这些洞穴里充满了石笋和石柱。
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3.The caves were discovered by archaeologists during their research in the area.
考古学家在该地区进行研究时发现了这些洞穴。