YOU SAID:

The earth that’s nature’s mother is her tomb; What is her burying grave, that is Rainbow in her womb;

INTO JAPANESE

地球の自然の母は彼女の墓。 彼女の埋葬の墓と、それは彼女の子宮の中の虹

BACK INTO ENGLISH

Earth's natural mother is her grave. Her burial tomb and it was in her womb the Rainbow