eternity

The philosopher spent his life contemplating the nature of space and eternity.

(Chinese) 这位哲学家毕生都在沉思空间和永恒的本质。

Some religions teach that the soul will exist for all eternity.

(Chinese) 一些宗教教导说灵魂将永恒存在。

The three minutes I spent waiting for the test results felt like an eternity.

(Chinese) 我等检查结果的那三分钟感觉就像过了一辈子。

The soldiers felt they had been trapped in the trenches for an eternity.

(Chinese) 士兵们觉得他们被困在战壕里已经有很久很久了。