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