speleology
柯林斯词典
1. N the scientific study of caves, esp in respect of their geological formation, flora and fauna, etc (关于其地质构成、植物和动物群系等的)洞穴学
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speleology (also spelaeology)
剑桥词典
- geology
the scientific study of caves
洞穴学
sports
the sport of walking and climbing in caves
洞穴运动；洞穴探险 返回 speleology