cavern
noun[C]
uk/ˈkæv.ən/us/ˈkæv.ɚn/alargecave
大洞穴;大山洞Tom Dulat - FIFA/FIFA/GettyImages
Geography: caves, cracks & crevices
- bergschrund
- chimney
- crack
- crater
- cratered
- crevice
- fissure
- furrow
- gouge
- gulf
- hole
- pit
- pore
- pothole
- relocation
- rut
- speleologist
- stalactite
- stalagmite
- the San Andreas Fault