noun🔗Share화석화The process of replacing the organic residues of plants (and animals) with insoluble salts, the original shape and topography being retained"The petrification of the ancient tree took millions of years, turning its wood into colorful stone. "고대 나무의 화석화는 수백만 년이 걸렸고, 나무를 다채로운 돌로 바꾸었습니다.geologyprocesschemistrymaterialsciencebiologyChat with AIVocabulary GamePractice Reading
noun🔗Share굳어짐, 냉혹함Obduracy; callousness"Her complete petrification towards the homeless person's plea for help was shocking. "노숙자의 도움 요청에 대한 그녀의 완전한 냉혹함은 충격적이었다.charactermindattitudeinhumanChat with AIVocabulary GamePractice Reading