“柏拉图的永恒”译成英文

Platonic Eternity .

Platonic [pləˈtɔnɪk]
adj.
1. 柏拉图(Plato)的， 柏拉图哲学的
2. [p-]纯友谊的；纯精神恋爱的

eternity [ɪˈtɜːnɪtɪ]
n. -ties
1. 无穷无尽；永恒
2. 很长时间

Longman Dictionary of Contemporary English

Plato
Pla·to
(?427-347BC) an ancient Greek philosopher, who had a very great influence on European philosophy. He explained his ideas in the form of written conversations. His teacher was Socrates, and after Socrates' death he established a school called the Academy, where Aristotle was one of his students. His most famous work is The Republic, about the perfect state and form of government.

platonic
pla·ton·ic /pləˈtɔnɪk US -ˈtɑː-/ adj
a relationship that is platonic is just friendly and is not a sexual relationship
a platonic friendship

补充:嗯,也可以说成The Abyss of time of Plato .