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