circle of perpetual occultation

例句：

1. 1.The ancient legend describes a circle of perpetual occultation that protects the city from evil spirits.
   古老的传说描述了一个永恒的遮蔽圈，保护城市免受恶灵的侵扰。
2. 2. In this story, the hero discovers a circle of perpetual occultation that can onlybe opened by the gods.
   在这个故事中，英雄发现了一个永恒的遮蔽圈，只有神才能打开它。
3. 3. The circle of perpetual occultation is said to have been created by the gods to protect the land from harm.
   据说这个永恒的遮蔽圈是由神创造的，用来保护土地免受伤害。