pot-holing

pot-holing

n.洞穴探險，洞穴探險運動

pot-holing

n.洞穴探險，洞穴探險運動

例句： Cave exploration,or pot-holing,as it has come to be known,is a relatively new sport.

洞穴勘探——或洞穴探險——是一項比較新的體育運動。