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