potholing
柯林斯詞典
1. N-UNCOUNT Potholing is the leisure activity of going into underground caves and tunnels. 洞穴探險(xiǎn)[英國英語]
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potholing /?p?t?h??l??/
劍橋詞典
- a sport that involves walking and climbing in underground caves
洞穴探索（運(yùn)動(dòng)）
同義詞
caving 返回 potholing