In mathematical terms, infinity would be an appropriate translation. I don't know how to draw it, but it basically a cursive number eight, but turned sideways.
flowers are not perpetual.
Flowers are not perpetual.
In this case, you would use the word 'more' in front of 'perpetual' to indicate the comparative form.
This hillside will provide your loved ones a beautiful view while visiting you during your perpetual rest.
The ocean floor is in perpetual darkness.
The inner reaches of the cave were in perpetual darkness.
Infinity is perpetual.
Antonyms of the word "temporary" could be permanent, perpetual, eternal, or everlasting.
perpetual
The Newton's cradle swings in perpetual motion.
Perpetual motion machines have, to date, always been a disappointment.
perpetual care