1、Some people believe in the sempiternity of the soul, that it continues to exist after death.
有些人相信灵魂是永恒存在的，即使死亡之后它仍然存在。

2、The artist sought to capture a sense of sempiternity in her paintings, conveying a timeless quality.
艺术家试图在她的绘画中捕捉到永恒的感觉，传达出一种不受时间限制的品质。