eonian

They made an eonian promise to stand by each other through every hardship.

他们立下永恒的誓言，无论多么艰难都要彼此支持。

用法提示：eonian 是形容词，作定语修饰 promise，表示“永恒的”。

The philosopher argued that human souls are not eonian, but mortal.

这位哲学家论证说，人的灵魂并非永恒，而是有死的。

用法提示：eonian 在句中作表语，与 are 连用，表示“永恒的”。

As the waves kept crashing, she sensed an eonian rhythm in the ocean's song.

海浪不断拍打着，她在海洋的歌声中感受到一种永恒的韵律。

用法提示：eonian 作定语修饰 rhythm，表示“永久的”。