Styginae

例句：

1. 1.The Stygian Sea is known for its dark and mysterious waters.
   斯特吉安海以其黑暗和神秘的水域而闻名。
2. 2. The ancient city of Stygian was once a thriving hub of trade.
   古代城市斯特吉安曾经是一个繁荣的贸易中心。
3. 3.The Stygian region is famous for its unique rock formations.
   斯特吉安地区因其独特的岩石构造而闻名。