potholing
柯林斯词典
1. N-UNCOUNT Potholing is the leisure activity of going into underground caves and tunnels. 洞穴探險[英國英語]
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potholing /ˈpɒtˌhəʊlɪŋ/
剑桥词典
- a sport that involves walking and climbing in underground caves
洞穴探索（運動）
同義詞
caving 返回 potholing