Ject对"potholing" 的正确翻译：n. 洞穴探险，洞穴探险运动。发音：['pɔthəuliŋ]。例句参考：Cave exploration, or potholing, as it has come to be known, is a relatively new sport. - 洞穴勘察－或者洞穴勘探(人们已经熟悉了这个词语)－是一项较新的运动。；