ineffaceable

那次事故在她脑海中留下了无法磨灭的印记。

The accident left an ___ineffaceable mark on her memory.

童年时的贫困经历给他留下了难以磨灭的印象。

His childhood poverty left an ___ineffaceable impression on him.

那幅画的美在我心中刻下了不可磨灭的痕迹。

The beauty of that painting etched an ___ineffaceable trace in my heart.