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