forming of soil

• 土壤的形成

forming of soil的用法和样例：

例句

1. Soil formation, or pedogenesis, is the combined effect of physical, chemical, biological, and anthropogenic processes on soil parent material.
   土壤的形成，或成土作用，是综合效应的物理，化学，生物和人为过程对土壤母质。