柯林斯詞典speleology (also spelaeology) 1. N the scientific study of caves, esp in respect of their geological formation, flora and fauna, etc (關(guān)於其地質(zhì)搆成、植物和動(dòng)物群系等的)洞穴學(xué) 返回 speleology劍橋詞典geology the scientific study of caves 洞穴學(xué) sports the sport of walking and climbing in caves 洞穴運(yùn)動(dòng)；洞穴探險(xiǎn) 返回 speleology