sunken caldera
相关英语词汇推荐
- artificial radioactive element
- limonite
- soil subtype
- ferganite
- temperature barrier
- Suspended solids
- layering of relief
- volcanic ejecta
- old plate tectonics
- acid geochemical barrier
- discharge hydrograph
- speciation
- greenwich meridian
- sial
- organoclay
- cuesta
- ala twin
- precision processing
- rock terrace
- descloizite