inextinguishable

1. The inextinguishable fire burns in the cemetery in memory of all those who were killed in the war.
   公墓中燃烧着永不熄灭的火，纪念所有在战争中被杀害的人。
2. The inextinguishable flame of liberty
   不可扑灭的自由之火
3. He has an inextinguishable passion for knowledge.
   他有一股强烈的求知欲。
4. The pain and suffering of those days is an inextinguishable memory.
   那些日子的痛苦和苦难是无法忘怀的记忆。

adj

1. difficult or impossible to extinguish
   1. an inextinguishable flame
   2. an inextinguishable faith