(1)冲积层；淤积层

(2)(因冲积而引起的岸边)土地自然增长；自然增长的土地

• rivagium
• rival unions
• riveare
• river authorities
• river boundary
• rivers in international law
• rivers in municipal law
• rixa
• rixatrix
• R.L.
• RL/C.
• road
• road brand
• road camp
• road districts
• road fund
• roadless area review and evaluation
• rob
• robaria
• robator
• robbator
• robber
• robbery
• robbery insurance
• robbour