常见例句双语例句They often go potholing on Mount Huashan.他们常在华山探索洞穴。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——是一项比较新的体育活动。 返回 potholing