名词
中文翻译：石笋
同义词：
['stalactite', 'stalagmite例句：1. The stalactites and stalagmites in the cave are fascinating to explore.（洞穴中的石笋和石笋令人着迷，值得探索。）']
例句：
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1. The stalactites and stalagmites in the cave are fascinating to explore.
洞穴中的石笋和石笋令人着迷，值得探索。
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2. The stalactites and stalagmites are a natural wonder of the cave system.
洞穴中的石笋和石笋是洞穴系统的自然奇观。
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3. The stalactites and stalagmites are formed by dripping water from the ceiling into the cave.
石笋和石笋是由从天花板滴落的水在洞穴中形成的。