1
- a deep natural underground cave formed by the erosion of rock, especially by the action of water（尤指岩石受水侵蚀而形成的天然）锅穴, 壶穴。
1.1
- a deep circular hole in a river bed formed by the erosion of the rock by the rotation of stones in an eddy河床涡穴。
1.2
- a depression or hollow in a road surface caused by wear or subsidence（因磨损或下陷而形成的）路面凹坑。
1.3
- （亦作pothole lake）N. Amer.a pond formed by a natural hollow in the ground in which water has collected〈北美〉天然池塘。
no obj.［often as noun potholing］
- Brit.explore underground potholes as a pastime〈英〉（为消遣而）探索洞穴：
they went potholing in the Pennines.
他们在奔宁山探索地洞。
派生词
potholed
adjectivepotholer
noun词源
early 19th cent.: from Middle English pot 'pit' (perhaps of Scandinavian origin)+HOLE.