river system 意味

• river system
  河系
  かけい
  

例文

もっと例文:   次へ＞

1. these fossils were deposited in a river system .
   これらの化石は 川底の跡に堆積していました
2. arashiyama and katsura-gawa river (yodo-gawa river system )
   嵐山・桂川 (淀川水系)
3. kuta-gawa river: included in the ado-gawa river system .
   久多川安曇川水系。
4. was washing from the top of the mountain into the river system
   山から河川 さらに海へと
5. toka-bashi bridge (kamo-gawa river (yodo-gawa river system ))
   陶化橋（鴨川 (淀川水系)）