流域

liúyù
  1. river basin
  2. valley
  3. drainage area

CEDICT

Entry Composition

1 流 liú
  1. to flow
  2. to disseminate
  3. to circulate or spread
  4. to move or drift
  5. to degenerate
  6. to banish or send into exile
  7. stream of water or sth resembling one
  8. class, rate or grade
2 域 yù
  1. field
  2. region
  3. area
  4. domain (taxonomy)