potholing

n.洞穴探险

pot-shot (also pot), potable, potantially, potash, potassium, potation, potato, potato beetle, potato crisp, potboiler, poteen, potency, potent, potentate, potential, potentiality, potentially, potentiate, potently, potholer, potion, potpourri, potsherd, potshot, potted, potter, potter's wheel, potterer, pottery, potting-shed, potty, pouch, pouffe (also pouf), poulterer, poultice, poultry, pounce, pound, poundage, pounder,