常见例句雙語例句They often go potholing on Mount Huashan.他們常在華山探索洞穴。chazidian.comCave exploration, or potholing,as it has come to be known, is a relativelynew sport.洞穴勘查——或洞穴勘探——是一項比較新的躰育活動。 返回 potholing