noun🔗Share化石化The 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. "古代の木の化石化には数百万年かかり、その木材はカラフルな石に変わりました。geologyprocesschemistrymaterialsciencebiologyChat with AIVocabulary GamePractice Reading
noun🔗Share硬化, 冷淡さObduracy; callousness"Her complete petrification towards the homeless person's plea for help was shocking. "ホームレスの助けを求める嘆願に対する彼女の完全な冷淡さは衝撃的だった。charactermindattitudeinhumanChat with AIVocabulary GamePractice Reading
