noun🔗Share洞窟学The scientific study of caves."My aunt's passion for speleology has taken her to explore caves all over the world. "叔母の洞窟学への情熱は、彼女を世界中の洞窟を探検へと駆り立てました。geologyscienceenvironmentChat with AIVocabulary GamePractice Reading
noun🔗Share洞窟探検The recreational activity of exploring caves."My aunt's passion is speleology, and she spends weekends exploring caves with her caving club. "私の叔母の情熱は洞窟探検で、洞窟探検クラブと一緒に週末を洞窟探検に費やしています。geologysportnatureenvironmentplacescienceChat with AIVocabulary GamePractice Reading