1. Tribal lore and custom have been passed down orally.
   部落的知识和风俗口耳相传保存下来
2. He became skilled in several tribal lingoes.
   他精通几种部族的语言。
3. Distinctive tribal tattoos.
   一部落与他部落相区别的纹身
4. To cause to lose tribal membership and customs.
   使脱离部落使失去部落成员资格和部落传统
5. The country was torn apart by fierce tribal hostilities.
   那个国家被部落间的激烈冲突弄得四分五裂。

　1个形容词解释