未开化的习俗

例句：

1. 1. The tribe's uncivilized way of life is a source of fascination to many tourists.
   这个部落原始的生活方式吸引了许多游客。
2. 2. The savages were so primitive that they could not even communicate with each other.
   这些野蛮人如此原始，以至于他们无法相互交流。
3. 3. The barbaric customs of the ancient civilization have been lost to history.
   古代文明的野蛮习俗已经消失在历史中。