tribes

例句:

• The Sioux had always fought other tribes for territorial rights.
  苏人总是为领地权与其他部落作战。
  
• The origins of the indigenous tribes still mystify anthropologists.
  来自VOA
• They battled against other Indian tribes, but rarely fought with the whites.
  他们同其他印第安部落作战，但很少与白人并肩对敌。
  
• Many African tribes believe in reincarnation.
  许多非洲的部落都相信人会转世。
  
• Two tribes could be about to go to war.
  来自THETIMES
• Other tribes around the country have grown even faster.
  来自VOA