亚马逊印第安人形成了一个具有丰富文化遗产的独特部落。

The Amazonian Indians form a distinct ___tribe with a rich cultural heritage.

东非的马赛部落保留了许多传统习俗。

The Masai ___tribe in East Africa maintains many traditional customs.

旅行期间，我拜访了马里的达甘部落，以了解他们的仪式。

During my travels, I visited the Dagan ___tribe in Mali to learn about their rituals.