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She 's going potholing at the weekend .

她周末要去参加洞穴探险运动。

Cave exploration or potholing as it has come to be known is a relatively new sport .

山洞探险，或人们通常称之为洞穴探险，是一项比较新运动。

Cave exploration , or potholing , as it has come to be known , is a relatively new sport .

洞穴勘察，即人们通常所说的的山洞探险，是一项比较新颖的运动。